MESA+ University of Twente
Inorganic Materials Science Group

Publications up to 1992

Ph.D theses

1976

K. Keizer

Ferroelectric properties, non-stoichiometry and microstructure of substituted lead titanate ceramics

1976

M. Wolters

Ferroelectric properties and diffuse phase transition in (Pb,La)Zr0.55Ti0.45O3 ceramics

1978

R.A.M. Wolters

Synthesis, sintering properties and thermal conductivity of uranium carbonitrides

1980

C.G.F. Stenger

Diffuse phase transitions and ordering in some ferroelectric perovskites

1981

T. van Dijk

Ordering and grain boundary effects on ionic conductivity in ZrO2·Gd2O3 and ZrO2·Nd2O3

1982

M.J. Verkerk

Electrical conductivity and interface properties of oxygen ion conducting materials

1984

A.F.M. Leenaars

Preparation, structure and separation characterization of ceramic alumina membranes

1984

A.J.A. Winnubst

Electrical and interface properties of pure and modified yttria-stabilized zirconia

1985

M.P. van Dijk

Ordering, electrical conductivity and electrode properties of ceramics with fluorite-related structures

1987

D. Scholten

Surface modification of yttria stabilized zirconia by ion implantation

1990

B.A. van Hassel

Transport and oxygen transfer properties of ion-implanted yttria-stabilized zirconia

1990

R.J.R. Uhlhorn

Ceramic membranes for gas separation

1990

V.T.Zaspalis

Catalytically active ceramic membranes

1991

G.S.A.M.

Theunissen

Microstructure, fracture toughness and strength of (ultra) fine-grained tetragonal zirconia ceramics

1991

I.C. Vinke

Electrochemical and electrode properties of stabilized bismuth oxide ceramics

1991

P.D. Mercera

Zirconia as a support for catalysts

1991

P. den Exter

Synthesis, microstructure and mechanical properties of zirconia-alumina composites

1992

Y.S. Lin

Chemical and electrochemical vapour deposition of zirconia yttria solid solutions in porous ceramic media

Articles

1 A.J. Burggraaf and J.A. Poulis, “De magnetische susceptibiliteit van natriumboraatglas,” Klei en Keramiek (1963).

2 A.J. Burggraaf and J. Cornelissen, “The strengthening of glass by ion exchange. Part. I. Stress formation by ion diffusion in alkali aluminosilicate glass,” Phys. Chem. Glasses, 5 [5] 123-29 (1964).

3 A.J. Burggraaf, “The strengthening of glass by ion exchange. Part II. Stress formation and stress relaxation after ion exchange in aluminosilicate glasses in connection with structural changes in the glass,” Phys. Chem. Glasses, 7 [5] 169-72 (1966).

4 W.J. Spoor and A.J. Burggraaf, “The strengthening of glass by ion exchange. Part III. Mathematical description of the stress relaxation after ion exchange in aluminosilicate glasses,” Phys. Chem. Glasses, 7 [5] 173-77 (1966).

5 A.J. Burggraaf, “The mechanical strength of alkali-aluminosilicate glasses after ion exchange,” Philips Res. Rep. Suppl., 3 1-105 (1966).

6 J. Cornelissen and A.J. Burggraaf, “The relationship between strength and compressive stress in strengthened alkali-aluminosilicate glasses,” Proc. VII Int. Congr. Glass, Bruxelles, 319.1-4 (1965).

7 A.J. Burggraaf, “Sorption of argon by glass in a gasdischarge lamp,” J. Am. Ceram. Soc., 49 [8] 450-54 (1966).

8 A.J. Burggraaf, “Diffusie in glas en door het glasoppervlak,” Klei en Keramiek, 16 [6] 179-85 (1966).

9 A.J. Burggraaf and H.C. van Velzen, “Glasses resistant to sodium attack at temperatures up to 700°C,” J. Am. Ceram. Soc., 52 [5] 238-46 (1969).

10 A.L. Zijlstra and A.J. Burggraaf, “Fracture phenomena and strength properties of chemically and physically strengthened glass. Part. I. General survey of strength and fracture behaviour of strengthened glass,” J. Non-Cryst. Sol. 1 [1] 49-68 (1968).

11 A.L. Zijlstra and A.J. Burggraaf, “Fracture phenomena and strength properties of chemically and physically strengthened glass. Part II. Strength and fracture behaviour of chemically strengthened glass in connection with the stress profile,” J. Non-Cryst. Sol., 1 [2] 163-85 (1969).

12 A.J. Burggraaf, “Versterking van glas en keramiek,” Klei en Keramiek, 21 [12] 262-73 (1971).

13 M.A.C.G. v.d. Graaf, K.J. de Vries and A.J. Burggraaf, “Influence of heat treatment on the optical absorption of glasses containing iron and titanium oxides,” Phys. Chem. Glasses, 14 [3] 53-59 (1973).

14 K. Keizer, E.H.J. Janssen, K.J. de Vries and A.J. Burggraaf, “Influence of particle size and structure of ZrO2 on microstructure development and dielectric constant of PbZr0,5Ti0,5O3,” Mater. Res. Bull., 8 [5] 533-44 (1973).

15 K. Keizer, J. Bouwma and A.J. Burggraaf, “On the defect model and the dielectric properties of lanthana substituted lead titanate ceramics,” Ferroelectrics 7 [1/2/3/4] 341-43 (1974). Proc. Nat. Symp. Semi-conducting Ferroelectrics, Rostov-on-Don, June 15-17, 1972.

16 M.A.C.G. v.d. Graaf, J.C. Lodder and A.J. Burggraaf, “Microstructure development and crystallisation kinetics of lead titanate forming from a PbO-TiO2-Al2O3-SiO2 glass,” Glass Technology, 15 [6] 143-47 (1974).

17 M. Wolters and A.J. Burggraaf, “Phase relations and dielectric behaviour of (Pb, La)Zr0,55Ti0,45 Ceramics with a diffuse phase transition,” Phys. Stat. Sol. A, 24 [1] 341-50 (1974).

18 K. Keizer and A.J. Burggraaf, “Grain size effects on the ferroelectric Paraelectric Transition, the dielectric constant and the lattice parameters in Lanthana-substituted lead titanate,” Phys. Stat. Sol. A, 26 [2] 561-69 (1974).

19 M. Wolters and A.J. Burggraaf, “Relaxational polarizations and diffuse phase transitions of La substituted Pb(Zr, Ti)O3 ceramics,” Mater. Res. Bull., 10 [5] 417-24 (1975).

20 A.J. Burggraaf and K. Keizer, “Effects of microstructure on the dielectric properties of lanthana substituted PbTiO3 and Pb(Zr, Ti)O3 ceramics,” Mater. Res. Bull., 10 [6] 521-28 (1975).

21 A.J. Burggraaf and K. Keizer, “Zu den dielektrischen Eigenschaften von La dotierten PbTiO3 und Pb(Zr, Ti)O3 Keramiken I: Einfluss der Mikrostruktur,” Ber. Dt. Keram. Ges., 52 [2] 218-19 (1975).

22 M. Wolters and A.J. Burggraaf, “Zu den dielektrischen Eigenschaften von La dotierten PbTiO3 und Pb(Zr, Ti)O3 Keramiken II: Polarisationrelaxation,” Ber. Dt. Keram. Ges., 52 [2] 219-20 (1975).

23 K.J. de Vries, K. Keizer, J. Bouwma and A.J. Burggraaf, “Characterisation of the homogeneity range of rare earth oxide substituted lead titanate ceramics in relation to dielectric properties”; pp. 187-201 in: Science of Ceramics, Vol. 8. The British Ceramic Society, 1976. Proc. 8th Int. Conf. on Science of Ceramics, Cambridge, September 22-25, 1975.

24 M. Wolters, C.L.H. Thieme, A.J. Burggraaf, “The electric field-induced antiferroelectric to ferroelectric phase transition in some (Pb, La)Zr0,55Ti0,45O3 ceramics,” Mater. Res. Bull., 11 [3] 315-22 (1976).

25 J. Bouwma, K.J. de Vries and A.J. Burggraaf, “Non-stoichiometry, defect structure and dielectric relaxation in lanthana-substituted SrTiO3,” Phys. Stat. Sol. A, 35 [6] 281-90 (1976).

26 J. Bouwma and M.A. Heilbron, “Non-stoichiometry and optical spectra of Nd(III) substituted PbTiO3,” Mat. Res. Bull., 11 [6] 663-68 (1976).

27 K. Keizer and A.J. Burggraaf, “The ferroelectric phase transition of rare earth oxide substituted lead titanate ceramics,” Ferroelectrics, 14 [1-2] 671-73 (1976).

28 A.J. Burggraaf, “Korrelgrootte, korrelgrootteverdeling en korrelgrenzen in relatie tot fysische eigenschappen van keramische materialen,” Klei en Keramiek, 27 [6] 102-14 (1977).

29 K.J. de Vries, A.H.M. Hieltjes and A.J. Burggraaf, “Diffusion and reactivity in perovskite materials of the composition (Pb, La) (Zr, Ti)O3”; pp. 297-303 in: Reactivity of Solids. Edited by J. Wood, O. Lindquist, C. Helgesson and N. Vannerbey. Plenum Press, 1977. Proc. 8th Int. Symp. React. of Sol., Göteborg, 1977.

30 A.J. Burggraaf, “On polymorphic and diffuse phase transitions”; pp. 283-99 in: Proc. 9th Int. Conf. on Science of Ceramics, Vol. 9, 1977.

31 K. Keizer, G.J. Lansink and A.J. Burggraaf, “Anomalous dielectric behaviour of La (III) substituted lead titanate ceramics,” J. Phys. Chem. Solids, 39 [1] 59-63 (1978).

31 M.A.C.G. v.d. Graaf, T. v. Dijk, M.A. de Jong and A.J. Burggraaf, “High sinterreactivity and microstructure of fine grained substituted ZrO2 compacts”; pp. 75-83 in: Proc. 9th Int. Conf. on Science of Ceramics, Vol. 9, 1977.

33 T. v. Dijk, H.H.J. den Ouden, K.J. de Vries and A.J. Burggraaf, “Electrical conductivity in ceramic ZrO2-Gd2O3 solid solutions with fluorite and pyrochlore structure,” Ber. Dt. Keram. Ges., 55 [6] 311-23 (1978).

34 K. Keizer and A.J. Burggraaf, “Dielectric properties of rare earth substituted lead titanate ceramics,” Ber. Dt. Keram. Ges., 55 [7] 371-72 (1978).

35 A.J. Burggraaf and C. Stenger, “On diffuse phase transitions,” Ferroelectrics, 20 [3-4] 185-87 (1978).

36 M.J. Verkerk, K. Keizer and A.J. Burggraaf, “High oxygen ion conduction in sintered oxides of the Bi2O3-Er2O3 system,” J. Appl. Electrochem., 10 [1] 81-90 (1980).

37 T. van Dijk, K.J. de Vries and A.J. Burggraaf, “Electrical conductivity in ceramic solid solutions of ZrO2-Ln2O3 with Ln=Gd, Nd”; pp. 679-82 in: Fast ion transport in solids. Edited by P. Vashushta. Elsevier North Holland Publ., Amsterdam, 1979.

38 G. Blasse, G.P.M. van den Heuvel and T. van Dijk, “Energy transfer from Gd3+ to Tb3+ and Eu3+,” Chem. Phys. Lett., 62 [3] 600-02 (1979).

39 K. Keizer, M.J. Verkerk and A.J. Burggraaf, “Preparation and properties of new oxygen-conductors for use at low temperatures,” Ceramurgia, 5 [4] 143-47 (1979). Presented at 4th CIMTEC, Int. Meeting on Modern Ceramic Technology, St. Vincent, Italy, May 28 - June 1, 1979.

40 C. Stenger and A.J. Burggraaf, “Study of phase transitions and properties of tetragonal (Pb, La) (Zr, Ti)O3 ceramics. Part I: Phase diagram and b-phase,” J. Phys. Chem. Sol., 41 [1] 17-23 (1980).

41 C. Stenger and A.J. Burggraaf, “Study of phase transitions and properties of tetragonal (Pb, La) (Zr, Ti)O3 ceramics. Part II: Diffuse phase transitions and thermodynamics,” J. Phys. Chem. Sol., 41 [1] 25-30 (1980).

42 A.J. Burggraaf, “Recente ontwikkelingen in anorganische produkten en keramische materialen,” Chemisch Magazine, september 1980 499-502.

43 A.J. Burggraaf, “Meer produktgericht denken: integratie van materiaal- en procestechnologie,” Chemisch Magazine, may 1980 325-28.

44 C. Stenger and A.J. Burggraaf, “Study of phase transitions and properties of tetragonal (Pb, La) (Zr, Ti)O3 ceramics. Part III : Transitions induced by electric fields,” J. Phys. Chem. Sol., 41 [1] 31-41 (1980).

45 C. Stenger and A.J. Burggraaf, “Ordering and diffuse phase transitions in Pb(Sc0.5Ta0.5)O3 ceramics,” Solid State Comm., 32 [11] 989-92 (1979).

46 G.H. Jonker, R. Juarez, A.J. Burggraaf and C.G.F. Stenger, “Diffuse phase transitions in (Pb, Ba) (Zr, Ti)O3 (PBZT) and (Pb, La) (Zn, Ti)O3 (PLZT),” Ferroelectrics, 24 [1-4] 293-97 (1980). Proc. 4th Eur. Meeting on Ferroelectricity, Portoroz, Yugoslavia, September 3-7, 1979.

47 A.J. Burggraaf, “Materiaaltechnologie van anorganische produkten en keramische materialen,” Polytechnisch Tijdschrift Procestechniek, 34 [11] 667-74 (1979).

48 A.J. Burggraaf, “Materiaaltechnologie van anorganische produkten en keramische materialen,” PT-Procestech., 34 [11] 667-74 (1980).

49 M.J. Verkerk and A.J. Burggraaf, “Free energy of formation of stabilized Bi2O3 (f.c.c.) from EMF measurements,” J. Appl. Electrochem., 10 [5] 677-81 (1980).

50 T. van Dijk, K.J. de Vries and A.J. Burggraaf, “Electrical conductivity of fluorite and pyrochlore LnxZn1-xO2-x/2 (Ln=Gd, Nd) solid solutions,” Phys. Stat. Sol. A, 58 [1] 115-25 (1980).

51 T. van Dijk, R.B. Helmholdt and A.J. Burggraaf, “Neutron powder diffraction studies of fluorite and pyrochlore NdxZr1-xO2-x/2 solid solutions with 0.25<x<0.55,” Phys. Stat. Sol. B, 101 [2] 765-74 (1980).

52 M.A.C.G. van de Graaf, K. Keizer and A.J. Burggraaf, “Influence of agglomerate structures in ultra-fine substituted zirconia powders on compaction and sintering behaviour”; pp. 83-92 in: Science of Ceramics, Vol. 10. Edited by H. Hausner. Deutsche Keramische Gesellschaft, 1980. Proc. 10th Int. Conf. on Science of Ceramics, Berchtesgaden, BRD, September 1-4, 1979.

53 M.J. Verkerk and A.J. Burggraaf, “High oxygen ion conduction in sintered oxides of the Bi2O3‑Ln2O3 system,” Solid State Ionics, 3/4 [4] 463-67 (1981). Presented at 3rd Int. Meeting on Solid Electrolytes and Solid State Ionics, Tokyo, September 15-19, 1980.

54 A.J. Burggraaf, T. van Dijk and C.G.F. Stenger, “Some effects of order-disorder reactions and hybrid crystal formation in solid solutions”; pp. 587-95 in: Materials Science Monographs, Vol. 10. Proc. 9th Int. Symp. on Reactivity of Solids, Cracow, Poland, 1982.

55 C.G.J. Stenger and A.J. Burggraaf, “Order-disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3. Part 1 - Kinetics of the ordering process,” Phys. Stat. Sol. A, 61 [1] 275-80 (1980).

56 C.G.J. Stenger and A.J. Burggraaf, “Order-disorder reactions in the ferroelectric perovskites Pb(Sc1/2Nb1/2)O3 and Pb(Sc1/2Ta1/2)O3. Part 2 - Relation between ordering and properties,” Phys. Stat. Sol. A, 61 [2] 653-64 (1980).

57 T. van Dijk and A.J. Burggraaf, “Grain boundary effects on ionic conductivity in ceramic GdxZr1-xO2-x/2 solid solutions,” Phys. Stat. Sol. A, 63 [1] 229-40 (1981).

58 M.J. Verkerk and A.J. Burggraaf, “High oxygen ion conduction in sintered oxides of the Bi2O3-Dy2O3 system,” J. Electrochem. Soc., 128 [1] 75-82 (1981).

59 A.J. Burggraaf, “Ceramic materials with special structures and properties,” Recl. Trav. Chim. Pays-Bas, 100 [3] 83-84 (1981).

60 A.J. Burggraaf, T. van Dijk and M.J. Verkerk, “Structure and conductivity of pyrochlore and fluorite type solid solutions,” Solid State Ionics, 5 519-22 (1981). Presented at Int. Conf. on Fast Ionic Transport in Solids, Gatlinburg, U.S.A, May 18-22, 1981.

61 “Sensor voor het bepalen van het zuurstofgehalte in de fluidum,” Dutch Patent 8105116, 12 November 1981. Eur. Pat. Appl. CH de Tr. S3 L1 SE 79652, 25 May 1981. US Patent 4770761, 13 September 1988.

62 M.J. Verkerk, B.J. Middelhuis and A.J. Burggraaf, “Effect of grain boundaries on the conductivity of high purity ZrO2-Y2O3 ceramics,” Solid State Ionics, 6 [2] 159-70 (1982).

63 K. Keizer, A.J. Burggraaf and G. de With, “The effect of Bi2O3 on the electrical and mechanical properties of ZrO2-Y2O3 ceramics,” J. Mater. Sci., 17 [4] 1095-102 (1982).

64 M.J. Verkerk, A.J.A. Winnubst and A.J. Burggraaf, “Effect of impurities on sintering and conductivity of yttria stabilized zirconia,” J. Mater. Sci., 17 [10] 3113-22 (1982).

65 A.J. Burggraaf, “Diffuse phase transitions and hybrid crystal formation in some ferroelectric perovskites”; pp. 142-?? in: Proc. 4th Int. Joint Meeting on Electro- and Magnetoceramics, October 14-16, 1981, Celle, W-Germany, Deutsche Keramische Gesellschaft.

66 M.J. Verkerk, G.M.H. v.d. Velde, A.J. Burggraaf and R.B. Helmholdt, “Structure and ionic conductivity of Bi2O3 substituted with lanthanide oxides,” J. Phys. Chem. Sol., 43 [12] 1129-36 (1982).

67 M.J. Verkerk, M.W.J. Hammink and A.J. Burggraaf, “Oxygen transfer in substituted ZrO2, Bi2O3 and CeO2 electrolytes with platinum electrodes. Part I. Electrode resistance by DC polarization,” J. Electrochem. Soc., 130 [9-10] 70-78 (1983).

68 M.J. Verkerk and A.J. Burggraaf, “Oxygen transfer in substituted ZrO2, Bi2O3 and CeO2 electrolytes with platinum electrodes. Part II. AC impedance study,” J. Electrochem. Soc., 130 [9‑10] 78-84 (1983).

69 A.J. Burggraaf, M.P. van Dijk, M.J. Verkerk and K.J. de Vries, “Structure and conductivity of some pyrochlore and fluorite type solid solutions”; pp. 185-91 in: Studies in Inorganic Chemistry, Vol. 3. Edited by R. Metselaar, J.S. Heyligers and J. Schoonman. Elsevier, Amsterdam, 1983. Proc. 2nd Eur. Conf. on Solid State Chemistry, Veldhoven, The Netherlands, June 7-9, 1982.

70 A.F.M. Leenaars, K. Keizer and A.J. Burggraaf, “Thin supported layers with very small pores”; pp. 401-04 in: Studies in Inorganic Chemistry, Vol. 3. Edited by R. Metselaar, H.J.M. Heyligers and J. Schoonman. Elsevier Science Publ. Co., Amsterdam, 1983. Proc. 2nd Eur. Conf. on Solid State Chemistry, Veldhoven, The Netherlands, June7-9, 1982.

71 K.J. de Vries, M.P. van Dijk, G.M.H. v.d. Velde and A.J. Burggraaf, “A study of defect equilibria in Nd2Zr2O7 with pyrochlore structure”; pp. 283-86 in: Studies in Inorganic Chemistry, Vol. 3. Edited by R. Metselaar, H.J.M. Heyligers and J. Schoonman. Elsevier, Amsterdam, 1983. Proc. 2nd Eur. Conf. on Solid State Chemistry, Veldhoven, The Netherlands, June 7-9, 1982.

72 A.J. Burggraaf, “On diffuse phase transitions and hybrid crystal formation,” Ber. Bunsen-Gesellschaft für Physik. Chem., 87 [3] 208-13 (1983).

73 M.A.C.G. v.d. Graaf, J.H.H. ter Maat and A.J. Burggraaf, “Microstructural development during pressing and sintering of ultra fine zirconia powders”; pp. 783-794 in: Ceramic Powders. Edited by P. Vincenzini. Elsevier Publ. Co., Amsterdam, The Netherlands, 1983.

74 A.J.A. Winnubst, K. Keizer and A.J. Burggraaf, “Mechanical properties and fracture behaviour of ZrO2-Y2O3 ceramics,” J. Mater. Sci., 18 [7] 1958-66 (1983).

75 A.J.A. Winnubst, P.J.M. Kroot and A.J. Burggraaf, “AES/STEM grain boundary analysis of stabilized zirconia ceramics,” J. Phys. Chem. of Solids, 44 [10] 955-60 (1983).

76 K. Keizer, A.J.A. Winnubst and A.J. Burggraaf, “Mechanische eigenschappen en scheurgedrag van Y2O3-gestabiliseerd ZrO2 keramiek,” Klei Glas Keramiek, 4 [7] 122-127 (1983).

77 M.P. van Dijk, K.J. de Vries and A.J. Burggraaf, “Oxygen ion and mixed conductivity in compounds with the fluorite and pyrochlore structure,” Solid State Ionics 9/10 [2] 913-19 (1983).

78 K. Keizer, A.F.M. Leenaars and A.J. Burggraaf, “Porous alumina as a membrane material in separation processes”; pp. 101-06 in: Science of Ceramics, Vol 12. Edited by P. Vincenzini. National Research Counsil. Research Institute for Ceramic Technology, Faenza, Italy, 1983. Proc. 12th Int. Conf. on Science of Ceramics, Saint Vincent, Italy, June 27-30, 1983.

79 A.F.M. Leenaars, K. Keizer and A.J. Burggraaf, “Werkwijze voor de bereiding van scheurvrije semi-permeabele anorganische membranen,” Dutch Patent OA 83.03079, 5 September 1983.

80 F. Honnart, J.C. Boivin, D. Thomas and K.J. de Vries, “Bismuth-lead oxide a new, highly oxygen ion conductive material,” Solid State Ionics, 9/10 [2] 921-24 (1983).

81 M.P. van Dijk, J.H.H. ter Maat, G. Roelofs, H. Bosch, G.M.H. van de Velde, P.J. Gellings and A.J. Burggraaf, “Electrical and catalytic properties of some mixed conductors with the fluorite or pyrochlore structure,” Rec. Trav. Chim. Pays-Bas, 103 [1] 38-39 (1984).

82 K. Keizer, A.F.M. Leenaars and A.J. Burggraaf, “Inorganic, porous membranes; preparation, structure and potential applications”; pp. 367-85 in: Ceramics in Advanced Energy technologies. Edited by H. Krockel, M. Merz and O. van de Biest. D. Reidel Publ. Comp., Dordrecht, 1984.

83 A.F.M. Leenaars, K. Keizer and A.J. Burggraaf, “The preparation and characterisation of alumina membranes with ultra-fine pores. Part 1. Microstructural investigations on non-supported membranes,” J. Mater. Sc., 19 [5] 1077-88 (1984).

84 A.J.A. Winnubst and A.J. Burggraaf, “Preparation and electrical properties of a monophasic ZrO2-Y2O3-Bi2O3 solid electrolyte,” Mater. Res. Bull., 19 [5] 613-19 (1984).

85 G. Blasse, H. Zhiran, A.J.A. Winnubst and A.J. Burggraaf, “The luminescence of yttria stabilized zirconia doped with Bi2O3,” Mater. Res. Bull., 19 [8] 1057-62 (1984).

86 J.H.H. ter Maat, M.P. van Dijk, G. Roelofs, H. Bosch, G.M.H.van de Velde, P.J. Gellings and A.J. Burggraaf, “Electrical and catalytic properties of some oxide with the fluorite and pyrochlore structure. Part 1. Synthesis, characterization and conductivity,” Mater. Res. Bull., 19 [9] 1149-56 (1984).

87 J.H.H. ter Maat, M.P. van Dijk, G. Roelofs, H. Bosch, G.M.H. van de Velde, P.J. Gellings and A.J. Burggraaf, “Electrical and catalytic properties of some oxide with the fluorite and pyrochlore structure. Part 2. Catalytic oxidation of carbon monoxide,” Mater. Res. Bull., 19 [10] 1271-79 (1984).

88 A.J.A. Winnubst, A.H.A. Scharenborg and A.J. Burggraaf, “Response behaviour of oxygen sensing solid electrolytes,” J. Appl. Electrochem., 15 [5] 139-44 (1985).

89 A.J.A. Winnubst, A.H.A. Scharenborg and A.J. Burggraaf, “The electrode resistance of ZrO2-Y2O3-Bi2O3 solid electrolytes with Pt electrodes,” Solid State Ionics, 14 [4] 319-27 (1984).

90 A.J.A. Winnubst, M.J. Verkerk and A.J. Burggraaf, “The effect of grain boundary composition on the conductivity of yttria stabilized zirconia”; pp. 177-83 in: Advances in Ceramics, Vol. 7. Edited by M.F. Yan and A.H. Heuer. The Am. Ceram. Soc. Inc., Columbus, Ohio, 1983.

91 M.A.C.G. v.d. Graaf and A.J. Burggraaf, “Wet chemical preparation of zirconia powders: their microstructure and behavior”; pp. 744-65 in: Advances in Ceramics, Vol. 12. Edited by N. Claussen and A.H. Heuer. The Am. Ceram. Soc. Inc., Columbus, Ohio 1984.

92 M.A.C.G. van de Graaf, J.H.H. ter Maat and A.J. Burggraaf, “Microstructure and sintering kinetics of highly reactive ZrO2-Y2O3 ceramics,” J. Mater. Sci., 20 [5] 1407-18 (1985).

93 A.F.M. Leenaars and A.J. Burggraaf, “The preparation and characterization of alumina membranes with ultra fine pores. Part 2. The formation of supported membranes,” J. Colloid Interface Sci., 105 [1] 27-40 (1985).

94 A.F.M. Leenaars and A.J. Burggraaf, “The preparation and characterization of alumina membranes with ultra-fine pores. Part 3. The permeability for pure liquids, “ J. Membrane Sci., 24 [3] 245-60 (1985).

95 A.F.M. Leenaars and A.J. Burggraaf, “The preparation and characterization of alumina membranes with ultra-fine pores. Part 4. Ultrafiltration and hyperfiltration experiments,” J. Membrane Sci., 24 [3] 261-270 (1985).

96 M.P. van Dijk, K.J. de Vries and A.J. Burggraaf, “Electrical conductivity and defect chemistry of the system (TbxGd1-x)Zr2O7+y (0<x<1; 0<y<0.25),” Solid State Ionics, 16 [2] 211-24 (1985).

97 K.J. de Vries, M.P. van Dijk, H. Kruidhof and A.J. Burggraaf, “Thin mixed conducting surface layers of oxides with fluorite structure”; pp. 323-28 in: Proc. 6th Riso Conference on Transport-Structure Relations in Fast Ion and Mixed Conductors. Riso National Laboratory, Roskilde, Denmark, ISBN 87-550-1137-3, 1985.

98 K. Keizer, M. van Hemert, M.A.C.G. van de Graaf and A.J. Burggraaf, “Tetragonal zirconia: Wet chemical preparation, mechanical and electrical properties,” Solid State Ionics [1], 16 67- 72 (1985).

99 D. Scholten and A.J. Burggraaf, “Surface modification of ZrO2-Y2O3 ss by ion implantation,” Solid State Ionics, 16 [2] 147-54 (1985).

100 M.P. van Dijk, A.J. Burggraaf, A.N. Cormack and C.R.A. Catlow, “Defect structures and migration mechanisms in oxide pyrochlores,” Solid State Ionics, 17 [2] 159-67 (1985).

101 A.J. Burggraaf, M. van Hemert, D. Scholten and A.J.A. Winnubst, “Chemical composition of oxidic interfaces in relation with electric and electrochemical properties”; pp. 797-802 in: Reactivity of Solids. Edited by P. Barret and L.C. Dufour. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1985.

102 A.F.M. Leenaars, K. Keizer and A.J. Burggraaf, “Structure, Permeability, and Separation Characteristics of Porous Alumina Membranes”; pp. 58-67 in: Reverse Osmosis and Ultrafiltration. ACS Symposium Series 281. Edited by S. Sourirajan and T. Matsuura. The American Chemical Society, Washington, 1985.

103 A.J. Burggraaf, M.P. van Dijk and K.J. de Vries, “Electric and electrochemical properties of catalytically active oxygen electrode materials,” Solid State Ionics, 18/19 [2] 807-12 (1986). Edited by B.C.H. Steele, J.A. Kilner, P.F. Dennis and A.E. McHale. Wolfson Unit for Solid State Ionics, Imperial College, London.

104 B.C.H. Steele, J.A. Kilner, P.F. Dennis, A.E. McHale, M. van Hemert and A.J. Burggraaf, “Oxygen surface exchange and diffusion in fast ionic conductors,” Solid State Ionics, 18/19 [2] 1038-44 (1986). Edited by B.C.H. Steele, J.A. Kilner, P.F. Dennis and A.E. McHale. Wolfson Unit for Solid State Ionics, Imperial College, London.

105 H.J. Veringa, A.J. Burggraaf and K. Keizer, “Poreuze membranen op basis van aluminiumoxide,” Energie Spectrum, 10 [3] 40-46 (1986).

106 A.J.A. Winnubst, M.A.C.G. van de Graaf, K. Keizer and A.J. Burggraaf, “Tetragonal ZrO2-Y2O3. Part I: Preparation methods and Characterization,” J. Physique Colloque C1, 47 [2] 569-73 (1986).

107 K. Keizer, M. van Hemert, A.J.A. Winnubst, M.A.C.G. van de Graaf and A.J. Burggraaf, “Tetragonal ZrO2-Y2O3. Part II: The mechanical and electrical properties,” J. Physique Colloque C1, 47 [2] 783-88 (1986).

108 M.P. van Dijk, F.C. Mijlhoff and A.J. Burggraaf, “Pyrochlore microdomain formation in fluorite oxides,” J. Solid State Chem., 62 [3] 377-85 (1986).

109 M.P. van Dijk, K.J. de Vries and A.J. Burggraaf, “Study of the oxygen electrode reaction using mixed conducting oxide surface layers. Part I: Experimental methods and current-overvoltage experiments,” Solid State Ionics, 21 [1] 73-81 (1986).

110 M.P. van Dijk, K.J. de Vries and A.J. Burggraaf, “Study of the oxygen electrode reaction using mixed conducting oxide surface layers. Part II: Small signal analysis,” Solid State Ionics, 21 [1] 83-94 (1986).

111 G. van der Laan, J.C. Fuggle, M.P. van Dijk, A.J. Burggraaf, J.M. Esteva and R. Karnatak, “Determination of the relative concentrations of rare earth ions by X-ray absorption spectroscopy: Application to terbium mixed oxides,” J. Phys. Chem. Sol., 47 [4] 413-16 (1986).

112 D. Scholten and A.J. Burggraaf, “Study of the thermal behaviour of 56Fe+ implanted yttria stabilized zirconia,” Surf. Interface Anal., 9 [1-6] 467-71 (1986).

113 A.F.M. Leenaars, K. Keizer and A.J. Burggraaf, “Porous Alumina Membranes,” Chemtech, 16 [9] 560-64 (1986).

114 D. Scholten and A.J. Burggrraaf, “High dose ion implantation in yttria-stabilized zirconia,” Radiation Effects, 97 191-97 (1986).

115 A.J. Burggraaf, P.J. Gellings and D. Scholten, “Ion implantation and (mono)layer techniques for modifying ceramic surfaces”; pp. 779-94 in: High Tech Ceramics. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1987.

116 R.J. van Vuren, B.C. Bonekamp, K. Keizer, R.J.R. Uhlhorn, H.J. Veringa and A.J. Burggraaf, “Formation of ceramic alumina membranes for gas separation”; pp. 2235-45 in: High Tech Ceramics. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1987.

117 S.J. Korf, H.J.A. Koopmans, B.C. Lippens, A.J. Burggraaf and P.J. Gellings, “Electrical and Catalytic Properties of some oxides with fluorite or pyrochlore structure,” J. Chem. Soc., Faraday Trans. 1, 83 [5] 1485-91 (1987).

118 H. Kruidhof, K. Seshan, B.C. Lippens, P.J. Gellings and A.J. Burggraaf, “Bismuth oxide based ceramics with improved electrical and mechanical properties. Part I. Preparation and characterisation,” Mater. Res. Bull., 22 [12] 1635-43 (1987).

119 A.F.M. Leenaars, A.J. Burggraaf and K. Keizer, “Process for the production of crack-free semi-permeable inorganic membranes,” US Patent 4.711.719, 8 December 1987.

120 B.A. Boukamp, M.P. van Dijk, K.J. de Vries and A.J. Burggraaf, “Electrochemical properties of nonstoichiometric oxides”; pp. 447-53 in: Advances in Ceramics, Vol. 23. Edited by C.R.A. Catlow and W.C. Mackrodt, 1987.

121 I.C. Vinke, K. Seshan, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Electrochemical and oxygen exchange properties of bismuth-erbium oxide in oxygen pump and sensor applications”; pp. 212-14 in: Extended abstracts of the 38th meeting of the Int. Soc. Electrochemistry, Maastricht, 1987.

122 A.J. Burggraaf and A.J.A. Winnubst, “Segregation in oxide surfaces, solid electrolytes and mixed conductors”; pp. 449-77 in: Surface and near surface chemistry of oxide materials. Edited by J. Nowotny and L. Dufour. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1988.

123 D.H.A. Blank, H. Kruidhof and J. Flokstra, “Preparation of YBa2Cu3O7‑d by citrate synthesis and pyrolysis,” J. Phys. D: Appl. Phys., 21 [1] 226-227 (1988).

124 H. Kruidhof, K. Seshan, G.M.H. van de Velde, K.J. de Vries and A.J. Burggraaf, “Bismuth oxide based ceramics with improved electrical and mechanical properties. Part II. Structural and mechanical properties,” Mater. Res. Bull., 23 [3] 371-77 (1988).

125 A.J. Burggraaf, G.S.A.M. Theunissen and A.J.A. Winnubst, “Het belang van produktietechnologie en microstructuur. Geavanceerde keramische materialen,” PT Technische Materialen, 43 [1] 35-39 (1988).

126 P.J. Gellings, H.J.A. Koopmans and A.J. Burggraaf, “Electrocatalytic phenomena in gas phase reactions in solid electrolyte electrochemical cells,” Appl. Catal., 39 [1] 1-24 (1988).

127 A.J. Burggraaf, D. Scholten and B.A. van Hassel, “Microstructure of Fe implanted yttria stabilised zirconia studied by Mössbauer spectroscopy and TEM,” Nucl. Instr. Meth. Phys. Res. B, 32 [1] 32-36 (1988).

128 K. Keizer and A.J. Burggraaf, “Porous Ceramic Materials in Membrane Applications”; pp. 83-88 in: Science of Ceramics, Vol. 14. Edited by D. Taylor. The Institute of Ceramics, Sholton, Stoke-on-Trent, UK, 1988. Proc. 14th Int. Conf. on Science of Ceramics, Canterbury, September 7-9, 1987.

129 A.J.A. Winnubst, G.S.A.M. Theunissen, W.F.M. Groot Zevert and A.J. Burggraaf, “The sintering behaviour of fine-grained ZrO2-Y2O3 ceramics”; pp. 551-56 in: Science of Ceramics, Vol. 14. Edited by D. Taylor. The Institute of Ceramics, Sholton, Stoke-on-Trent, UK, 1988. Proc. 14th Int. Conf. on Science of Ceramics, Canterbury, September 7-9, 1987.

130 R.J.R. Uhlhorn, M.H.B.J. Huis in 't Veld, K. Keizer and A.J. Burggraaf, “New ceramic membrane materials for use in gas separation applications”; pp. 551-56 in: Science of Ceramics, Vol. 14. Edited by D. Taylor. The Institute of Ceramics, Sholton, Stoke-on-Trent, UK, 1988. Proc. 14th Int. Conf. on Science of Ceramics, Canterbury, September 7-9, 1987.

131 K. Keizer, R.J.R. Uhlhorn, R.J. van Vuren and A.J. Burggraaf, “Gas separation mechanisms in microporous modified g‑Al2O3 membranes,” J. Membrane Sci., 39 [3] 285-300 (1988).

132 I.C. Vinke, K. Seshan, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “The electrochemical influence and oxygen exchange properties of mixed conducting electrode materials in solid oxide electrolytes,” Solid State Ionics, 28/30 [2] 1201-04 (1988).

133 B.A. Boukamp, I.C. Vinke, K. Seshan, K.J. de Vries and A.J. Burggraaf, “Influence of electrode geometry and NLLS fit analysis of I-V measurements in a three-electrode cell,” Solid State Ionics, 28/30 [2] 1187-91 (1988).

134 D. Scholten, B.A. Boukamp and A.J. Burggraaf, “Microstructure of Fe implanted Yttria stabilized zirconia studied by Mössbauer Spectroscopy and TEM,” Surf. Interface Anal., 12 [1] 536-37 (1988).

135 A.J.A. Winnubst and A.J. Burggraaf, “The ageing behaviour of ultrafine-grained Y-TZP in hot water”; pp. 39-47 in: Advances in Ceramics, Vol. 24A. Edited by S. Somiya, N. Yamamoto and H. Yanegida. The Am. Ceram. Soc. Inc., Westerville, Ohio, 1988.

136 G.S.A.M. Theunissen, A.J.A. Winnubst and A.J. Burggraaf, “Segregation aspects in the ZrO2-Y2O3 ceramic system,” J. Mater. Sci. Lett., 8 [1] 55-57 (1989).

137 A.J.A. Winnubst, W.F.M. Groot Zevert, G.S.A.M. Theunissen and A.J. Burggraaf, “Microstructure characteristics of ultra-fine ZrO2-Y2O3 ceramic powders,” Mater. Sci. Engin. A, 109 [1] 215-19 (1989). Edited by R.J. Brook. Proc. Symp. Ceramic Materials Research, EMRS Spring Meeting, May 31-June 2, 1988, Strasbourg, France.

138 A.J. Burggraaf, B.A. Boukamp, I.C. Vinke and K.J. de Vries, “Recent developments in oxygen-ion conducting solid electrolyte and electrode materials”; pp. 259-95 in: Advances in Solid State Chemistry, Vol.1. Edited by C.R.A. Catlow. JAI Press, London, England, 1989.

139 B.A. Boukamp, I.C. Vinke, K.J. de Vries and A.J. Burggraaf, “Surface oxygen exchange properties of bismuth oxide-based solid electrolytes and electrode materials,” Solid State Ionics, 32/33 [1] 918-23 (1989).

140 A.J. Burggraaf, K. Keizer and B.A. van Hassel, “Ceramic Nanostructure Materials, Membranes and Composite Layers,” Solid State Ionics, 32/33 [2] 771-82 (1989).

141 A.J. Burggraaf and K. Keizer, “Porous ceramics as (new) membrane materials: preparation, structure and new applications”. Presented at 7th European Summer School in membrane science and technology, Enschede, the Netherlands, June 5-9, 1989.

142 B..A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Surface oxygen exchange in bismuth oxide based materials”; pp. 299-309 in: Non-stoichiometric compounds surfaces, grain boundaries and structural defects. Edited by J. Nowotny and W. Weppner. Kluwer Academic Press, 1989.

143 I.C. Vinke, K. Seshan, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Electrochemical properties of stabilized d‑Bi2O3. Oxygen pump properties of Bi2O3-Er2O3 solid solutions,” Solid State Ionics, 34 [4] 235-42 (1989).

144 G.S.A.M. Theunissen, A.J.A. Winnubst, W.F.M. Groot Zevert and A.J. Burggraaf, “Microstructure development during sintering of ultra fine grained Y-TZP”; pp. 325-35 in: Zirconia '88, Advances in Zirconia Science and Technology. Edited by S. Meriani and C. Palmonari. Elsevier Applied Science, Londen, 1989.

145 B.A. van Hassel and A.J. Burggraaf, “Structural, electrical and catalytic properties of ion implanted oxides,” Appl. Phys. A, 49 [1] 33-40 (1989).

146 A.J. Burggraaf, K. Keizer and B.A. van Hassel, “Nanophase Ceramics, Membranes and ion implanted layers”; pp. 705-25 in: Surfaces and Interfaces of Ceramic Materials. Edited by L.D. Dufour, C. Monty and G. Petot-Ervas. Kluwer Academic Publ., 1989.

147 R.J.R. Uhlhorn, M.H.B.J. Huis in 't Veld, K. Keizer and A.J. Burggraaf, “High permselectivities of microporous silica-modified γ-alumina membranes,” J. Mater. Sci. Lett., 8 [7] 1135-38 (1989).

148 G.S.A.M. Theunissen, A.J.A. Winnubst and A.J. Burggraaf, “Segregation in ZrO2-Y2O3 ceramics”; pp. 365-72 in: Surfaces and Interfaces of Ceramic Materials. Edited by L.C. Dufour, C. Monty and G. Petot-Ervas. Kluwer Academic Publ., 1989.

149 R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf, “Gas and surface diffusion in modified γ-alumina systems,” J. Membrane Sci., 46 [2/3] 225-41 (1989).

150 V.T. Zaspalis, K. Keizer, W. van Praag, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Ceramic membranes as Catalytic Active Materials in selective (oxidative) dehydrogenation reactions”; pp. 103-09 in: British Ceram. Proc., Vol. 43. Edited by B.C.H. Steele and D.P. Thompson. Advanced Ceramics in Chemical Process Engineering, 1989.

151 M.H.B.J. Huis in 't Veld, R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf, “Modified sol-gel techniques for the preparation of microporous ceramic membranes”; pp. 3.580-84 in: Euro-ceramics, Vol. B, Engineering Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

152 Y.S. Lin, L.G.J. de Haart, K.J. de Vries and A.J. Burggraaf, “Modification of ceramic membranes by CVD and EVD for gas separation, catalysis and SOFC application”; pp. 3.590-94 in: Euro-ceramics, Vol. 3, Engineering Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

153 W. van Praag, V.T. Zaspalis, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Preparation, modification and microporous structure of alumina and titania ceramic membrane systems”; pp. 3.605-09 in: Euro-ceramics, Vol. B, Engineering Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

154 J.L. Bakiewicz, K. Keizer and A.J. Burggraaf, “Facilitated transport through molten salts immobilized in ceramic membranes”; pp. 3.610-14 in: Euro-ceramics, Vol. B, Engineering Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

155 A.J. Burggraaf, G.S.A.M. Theunissen and A.J.A. Winnubst, “Synthesis and properties of nanophase ceramics and composites”; pp. 1.8-12 in: Euro-ceramics, Vol. 1, Processing of Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

156 G.S.A.M. Theunissen, R.S.A. de Lange, A.J.A. Winnubst and A.J. Burggraaf, “Wet chemical preparation and characteristics of tetragonal ZrO2(-Y2O3)‑CeO2 ceramics”; pp. 1.57-61 in: Euro-ceramics, Vol. 1, Processing of Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

157 P. den Exter, T.H.P. Leuwerink, A. Bos, A.J.A. Winnubst, E.B.M. Doesburg and A.J. Burggraaf, “Preparation and characteristics of zirconia/alumina ceramic powders”; pp. 1.89-93 in: Euro-ceramics, Vol. 1, Processing of Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

158 A. Bos, P. den Exter, A.J.A. Winnubst, E.B.M. Doesburg, A.J. Burggraaf and H.J. Veringa, “The production of fine-grained pure alumina and zirconia-alumina composites”; pp. 1.94-98 in: Euro-ceramics, Vol. 1, Processing of Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

159 A.J.A. Winnubst, G.S.A.M. Theunissen and A.J. Burggraaf, “Compaction and sintering behaviour of nano-crystalline Y-TZP”; pp. 1.393-397 in: Euro-ceramics, Vol. 1, Processing of Ceramics. Edited by G. de With, R.A. Terpstra and R. Metselaar. Elsevier Science Publ. Ltd, London, 1989.

160 Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “CVD modification of Ceramic Membranes: Simulation and preliminary results,” J. Physique Colloque C5, 50 [5] 861-72 (1989).

161 Y.S. Lin, L.G.J. de Haart, K.J. de Vries and A.J. Burggraaf, “Thin electrolyte layers for SOFC via modification of ceramic membranes by CVD and EVD”; pp. 67-70 in: Proc. 1st Int. Symp. Solid Oxide Fuel Cells. Edited by S.C. Singhal. The Electrochem. Soc., Pennington N.J., Proc. Vol. 89-11, 1989.

162 L.G.J. de Haart, R.A. Kuipers, K.J. de Vries and A.J. Burggraaf, “Deposition and Electrical Properties of thin porous ceramic electrode layers”; pp. 197-203 in: Proc. 1st Int. Symp. Solid Oxide Fuel Cells. Edited by S.C. Singhal. The Electrochem. Soc., Pennington N.J., Proc. Vol. 89-11, 1989.

163 P.D.L. Mercera, J.G. van Ommen, E.B.M. Doesburg, A.J. Burggraaf and J.R.H. Ross, “Zirconia as a support for catalysts. Evolution of the texture and structure on calcination in air,” Appl. Catal., 57 [1] 127-148 (1990).

164 A.J. Burggraaf, K. Keizer and R.J.R. Uhlhorn, “Modified membrane,” European Patent 395184 A1, 31 October 1990.

165 A.J. Burggraaf and K. Keizer, “Synthesis, microstructure and selected properties of some new and modified ceramic membranes”; pp. 311-23 in: Proc. 1st Int. Conf. Inorganic Membranes (ICIM 89), Montpellier, France, July 3-6, 1989.

166 R.J.R. Uhlhorn, M.H.B.J. Huis in 't Veld, K. Keizer and A.J. Burggraaf, “Theory and experiments on transport of condensable gases in microporous ceramic membrane systems”; pp. 323-29 in: Proc. 1st Int. Conf. Inorganic Membranes (ICIM 89), Montpellier, France, July 3-6, 1989.

167 V.T. Zaspalis, W. van Praag, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Modified alumina membranes as active materials in catalytic processes”; pp. 367-73 in: Proc. 1st Int. Conf. Inorganic Membranes (ICIM 89), Montpellier, France, July 3-6, 1989.

168 M.H.B.J. Huis in 't Veld, R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf, “Modified sol-gel techniques for the preparation of microporous ceramic membranes”; pp. 383-87 in: Proc. 1st Int. Conf. Inorganic Membranes (ICIM 89), Montpellier, France, July 3-6, 1989.

169 W. van Praag, V.T. Zaspalis, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Preparation, modification and microporous structure of alumina and titania ceramic membrane systems”; pp. 397-401 in: Proc. 1st Int. Conf. Inorganic Membranes (ICIM 89), Montpellier, France, July 3-6, 1989.

170 B.A. van Hassel, I.C. Vinke, K.J. de Vries, B.A. Boukamp and A.J. Burggraaf, “Computer assisted data analysis in electrochemistry”; pp. ??? in: Extended abstracts of the 176th meeting of the Electrochemical Society, Vol. 89-2, Hollywood, Florida, 1989.

171 K. Keizer and A.J. Burggraaf, “Ceramic membranes: preparation, structure, applications,” Fortschrittsberichte der Deutschen Keramischen Gesellschaft, 4 [4] 41-53 (1989).

172 H. Kruidhof, K.J. de Vries and A.J. Burggraaf, “Thermochemical stability and nonstoichiometry of yttria stabilized bismuth oxide solid solutions,” Solid State Ionics, 37 [2-3] 213-15 (1990).

173 B.A. Boukamp, I.C. Vinke and A.J. Burggraaf, “Comment on “Current-voltage” curves from a Bi2O3-Y2O3 oxygen conductor,” Solid State Ionics, 37 [4] 323-25 (1990).

174 A.J. Burggraaf, “Ceramic Membranes, porous,” pp. 769-74 in: Encyclopedia of Materials Science and Engineering, Vol. 2. Edited by R.W. Cahn. Pergamon Press, Oxford, New York, Beijing, Frankfurt, São Paolo, Sydney, Tokyo, Toronto, 1990.

175 W.F.M. Groot Zevert, A.J.A. Winnubst, G.S.A.M. Theunissen and A.J. Burggraaf, “Powder preparation and compaction behaviour of fine-grained Y-TZP,” J. Mater. Sci., 25 [11] 3449-55 (1990).

176 A.J.A. Winnubst, G.S.A.M. Theunissen, M.M.R. Boutz and A.J. Burggraaf, “Microstructure development during sintering of nanocrystalline tetragonal zirconia”; pp. 523-28 in: Proc. 11th Riso Int. Symp. on Metallurgy and Materials Science: Structural Ceramics - Processing, Microstructure and Properties. Edited by: J.J. Bentzen, J.B. Bilde-Sorensen, N. Christiansen, A. Horsewell and B. Ralph. Riso Nat. Lab., Roskilde, Denmark, 1990.

177 K.N.P. Kumar, J.H.L. Voncken, C. Lijzenga, K. Keizer and A.J. Burggraaf, “Initial stage of formation of ceramic membranes produced by sol-gel route”; pp. 567-70 in: Proc. 1990 International Congress on Membranes and Membrane Processes (ICOM '90), Vol. 1, Chicago, USA, 1990.

178 Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “Oxygen semi-permeable dense membrane composite prepared by electrochemical vapor deposition”; pp. 552-55 in: Proc. 1990 International Congress on Membranes and Membrane Processes (ICOM '90), Vol. 1, Chicago, USA, 1990.

179 I.C. Vinke, J.L. Bakiewicz, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Oxygen transport and transfer properties of erbia-stabilized bismuth oxide,” Solid State Ionics, 40/41 [2] 886-88 (1990).

180 R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf, “Formation of and gas transport in ceramic membranes”; pp. 239-59 in: Adv. Reverse Osmosis and Ultrafiltration. Edited by T. Matsuura and S. Sourirajan. Proc. Symp. Adv. Reverse Osmosis and Ultrafiltration, Toronto, Canada, June 7-10, 1988 at the 3rd Chem. Congr. of the North American Continent.

181 Y.S. Lin, P. Fransen, K.J. de Vries and A.J. Burggraaf, “Experimental study on CVD modification of ceramic membranes”; pp. 539-45 in: Proc. CVD XI (11th Conf. Chem. Vapor Deposition). Edited by K.E. Spear and G.W. Cullan. The Electrochem. Soc. Inc., Pennington, NY, USA, 1990.

182 Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “Thermal stability and its improvement of the alumina membrane top-layers prepared by sol-gel methods,” J. Mater. Sci., 26 [3] 715-720 (1991).

183 M.H.B.J. Huis in 't Veld, R.J.R. Uhlhorn, Y.S. Lin, K. Keizer and A.J. Burggraaf, “Membrane Semi-Perméable composite inorganique poreuse et procédé de préparation,” French Patent 90.04755 (1990), European Patent 0 451 755 A1, 16 October 1991.

184 Y.S. Lin, L.G.J. de Haart, K.J. de Vries and A.J. Burggraaf, “A kinetic study of the electrochemical vapor deposition of solid oxide electrolyte films on porous substrates,” J. Electrochem. Soc., 137 [12] 3960-66 (1990).

185 K.J. de Vries, Y.S. Lin, L.G.J. de Haart and A.J. Burggraaf, “Ceramic membrane-based thin chemical vapour deposition/electrochemical vapour deposition (CVD/EVD) grown ceramic electrolyte layers for solid oxide fuel cells”; pp. 195-202 in: Proc. Conf. Ceramics in Energy Applications, Sheffield, April 1990, IOP Publ. Ltd., 1990.

186 Y.S. Lin, L.G.J. de Haart, J. Meijerink, R.A. Kuipers, K.J. de Vries and A.J. Burggraaf, “ECVD-synthesis and properties of porous composite systems,” Klei Glas Keramiek, 11 284 (1990).

187 Y.S. Lin and A.J. Burggraaf, “Preparation and characterisation of high temperature thermally stable alumina composite membrane,” J. Am. Ceram. Soc., 74 [1] 219-24 (1991).

188 P.D.L. Mercera, J.G. van Ommen, E.B.M. Doesburg, A.J. Burggraaf and J.R.H. Ross, “Zirconia as a support for catalysts. Influence of additives on the thermal stability of the porous texture of monoclinic zirconia,” Appl. Catal., 71 [2] 363-91 (1991).

189 L.G.J. de Haart, Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “Dünnschichtverfahren zur Herstellung von oxidkeramischen Brennstoffzellen”; pp. 144-52 in: Brennstoffzellen. Edited by H. Wendt and V. Plzak. VDI-Verlag GmbH, Düsseldorf, 1990.

190 A. Bos, P.J.M. Grefte, P. den Exter and A.J.A. Winnubst, “The influence of MgO on the microstructure during sintering of fine-grained alumina and zirconia-alumina composites,” Sci. of Sintering, 23 [1] 19-24 (1991).

191 M.M.R. Boutz, G.S.A.M. Theunissen and A.J.A. Winnubst, “Grain growth during sintering of nanocrystalline Y and/or Ce-doped tetragonal zirconia”; pp. 87-93 in: Mater. Res. Symp. Symp. Proc., Vol. 196. Edited by M.J. Mayo, M. Kobayashi and J. Wadsworth. Materials Research Society, Pittsburgh (PA), 1990. Proc. of the Superplasticity in Metals, Ceramics and Intermetallics Session, April 16-19, 1990, San Francisco (CA), USA.

192 L.G.J. de Haart, R.A. Kuipers, K.J. de Vries and A.J. Burggraaf, “Thin electrolyte layers for solid oxide fuel cells by electrochemical vapor deposition (EVD)”; pp. 131-34 in: Proc. Fuel Cell Seminar, Phoenix, Arizona, USA, November 25-28, 1990. Seminar coordinated by Courtesy Ass. Inc., Washington (DC), USA.

193 K. Keizer, V.T. Zaspalis and A.J. Burggraaf, “Passive and catalytically active membranes for affecting chemical reactions”; pp. 2511-24 in: Ceramics Today - Tomorrow's Ceramics. Mater. Sc. Monographs, 66D. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1991. Proc. 7th Int. Meeting on Modern Ceramics Technologies (7th CIMTEC-World Ceramics Congress), Montecatini Terme, Italy, June 24-30, 1990.

194 L.G.J. de Haart, R.A. Kuipers, K.J. de Vries and A.J. Burggraaf, “Deposition and electrical properties of thin porous ceramic electrode layers for solid oxide fuel cell application,” J. Electrochem. Soc., 138 [7] 1970-75 (1991).

195 L.G.J. de Haart, Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “Modified CVD of nanoscale structures in and EVD of thin layers on porous ceramic membranes,” J. Eur. Ceram. Soc., 8 [5] 59-70 (1991).

196 B.A. Boukamp, B.A. van Hassel and A.J. Burggraaf, “The use of impedance spectroscopy and NLLS-fit data analysis in the study of oxygen electrode kinetics”; pp. 44-56 in: Proc. Symp. High Temperature Electrode Materials and Characterization, Vol. 91-6. Edited by D.D. McDonald and A.C. Khandkar. The Electrochemical Society, Pennington NJ, 1991.

197 B.A. van Hassel and A.J. Burggraaf, “Microstructure and thermal stability of Fe, Ti and Ag implanted Yttria-stabilized zirconia,” Appl. Phys. A, 53 [2] 155-63 (1991).

198 V.T. Zaspalis, W. van Praag, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Reactions of methanol over catalytically active alumina membranes,” Appl. Catal., 74 [1] 204-22 (1991).

199 V.T. Zaspalis, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Reactor studies using alumina separation membranes for the dehydrogenation of methanol and n-butane,” Appl. Catal., 74 [1] 223-34 (1991).

200 V.T. Zaspalis, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Reactions of methanol over alumina catalytically active membranes modified by silver,” Appl. Catal., 74 [1] 235-48 (1991).

201 V.T. Zaspalis, W. van Praag, K. Keizer, J.G. van Ommen, J.R.H. Ross and A.J. Burggraaf, “Reactor studies using vanadia modified titania and alumina catalytically active membranes for the reduction of nitrogen oxide with ammonia,” Appl. Catal., 74 [1] 249-60 (1991).

202 B.A. van Hassel and A.J. Burggraaf, “Oxidation state of Fe and Ti ions implanted in Yttria-stabilized zirconia studied by XPS,” Appl. Phys. A, 52 [6] 410-17 (1991).

203 J. Charpin, A.J. Burggraaf and L. Cot, “A survey of ceramic membranes for separations in liquid and gaseous media,” Ind. Ceram., 11 [2] 83-90 (1991).

204 L.G.J. de Haart, Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “On the kinetic study of electrochemical vapour deposition,” Solid State Ionics, 47 [3-4] 331-36 (1991).

205 P.D.L. Mercera, J.G. van Ommen, E.B.M. Doesburg, A.J. Burggraaf and J.R.H. Ross, “Stabilized tetragonal zirconium oxide as a support for catalysts. Evolution of the texture and structure on calcination in static air,” Appl. Catal., 78 [1] 79-96 (1991).

206 Y.S. Lin and A.J. Burggraaf, “Modelling and analysis of CVD processes in porous media for ceramic composite preparation,” Chem. Eng. Sci., 46 [12] 3067-80 (1991).

207 B.A. van Hassel, B.A. Boukamp and A.J. Burggraaf, “Electrode polarization at the Au, O2(g)/yttria stabilized zirconia interface. Part I: Theoretical considerations of reaction model,” Solid State Ionics, 48 [1-2] 139-54 (1991).

208 B.A. van Hassel, B.A. Boukamp and A.J. Burggraaf, “Electrode polarization at the Au, O2(g)/yttria stabilized zirconia interface. Part II: electrochemical measurements and analysis,” Solid State Ionics, 48 [1-2] 155-71 (1991).

209 A.J. Burggraaf, H.J.M. Bouwmeester, B.A. Boukamp, R.J.R. Uhlhorn and V. Zaspalis, “Synthesis, microstructure and properties of porous and dense ceramic membranes”; pp. 525-68 in: Science of Ceramic Interfaces. Edited by J. Nowotny. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1991.

210 A.J. Burggraaf, K. Keizer and A.J.A. Winnubst, “Porous and dense nanophase ceramics and composites”; pp. 1311-26 in: Ceramics Today - Tomorrow's Ceramics. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1991.

211 J.S. Bouma, G.S.A.M. Theunissen, A.J.A. Winnubst and A.J. Burggraaf, “Mechanical properties of ultra-fine grained Y-TZP ceramics”; pp. 1601-11 in: Ceramics Today - Tomorrow's Ceramics. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1991.

212 P. den Exter, A.P. de Kroon, A.J.A. Winnubst and A.J. Burggraaf, “The sintering behaviour of coprecipitation derived zirconia/alumina ceramics”; pp. 609-17 in: Advanced Structural Inorganic Composites. Materials Science Monographs, Vol. 68. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1991.

213 T.H.P. Leuwerink, P. den Exter, A.J.A. Winnubst and A.J. Burggraaf, “Characteristics of wet chemically prepared alumina/zirconia ceramics”; pp. 619-28 in: Advanced Structural Inorganic Composites. Materials Science Monographs, Vol. 68. Edited by P. Vincenzini. Elsevier Science Publ. B.V., Amsterdam, Oxford, New York, Tokyo, 1991.

214 A.J. Burggraaf and K. Keizer, “Chapter 2 - Synthesis of Inorganic Membranes”; pp. 10-63 in: Inorganic Membranes, Synthesis Characteristics and Applications. Edited by R.R. Bhave. v. Nostrand Reinhold, New York, 1991.

215 R.J.R. Uhlhorn and A.J. Burggraaf, “Chapter 6 - Gas Separations with Inorganic Membranes”; pp. 155-78 in: Inorganic Membranes, Synthesis Characteristics and Applications. Edited by R.R. Bhave. v. Nostrand Reinhold, New York, 1991.

216 V.T. Zaspalis and A.J. Burggraaf, “Chapter 7 - Inorganic Membrane reactors to enhance the productivity of Chemical Processes”; pp. 177-208 in: Inorganic Membranes, Synthesis Characteristics and Applications. Edited by R.R. Bhave. v. Nostrand Reinhold, New York, 1991.

217 G. Meng, C. Cao, W. Yn, D. Peng, K.J. de Vries and A.J. Burggraaf, “Formation of ZrO2 and YSZ layers by microwave plasma assisted MOCVD process,” Key Engin. Mater., 61/62 [1] 11-16 (1991).

218 R.S.A. de Lange, J.H.A. Hekkink, K. Keizer and A.J.B. Burggraaf, “Microporous sol-gel modified membranes for hydrogen separation,” Key Engin. Mater., 61/62 [1] 77-83 (1991).

219 K. Keizer, R.J.R. Uhlhorn, V.T. Zaspalis and A.J. Burggraaf, “Transport and related (gas and vapour) separation in Ceramic Membranes,” Key Engin. Mater., 61/62 [1] 143-54 (1991).

220 V.T. Zaspalis, K. Keizer, J.R.H. Ross and A.J. Burggraaf, “Porous Ceramic Membranes in high temperature Applications,” Key Engin. Mater., 61/62 359-64 (1991).

221 J.H.A. Hekkink, R.S.A. de Lange, A.A. ten Hoeve, P.J.A.M. Blankenvoorde, K. Keizer and A.J. Burggraaf, “Characterization and permeation properties of binary SiO2-TiO2 and SiO2-Al2O3 modified gamma-alumina membranes,” Key Engin. Mater., 61/62 375-78 (1991).

222 C. Lijzenga, V.T. Zaspalis, C.D. Ransijn, K.N.P. Kumar, K. Keizer and A.J. Burggraaf, “Nanostucture Characterisation of titania membranes,” Key Engin. Mater., 61/62 379-83 (1991).

223 C. Lijzenga, K. Keizer, M.H.B.J. Huis in 't Veld, A.J. Burggraaf and M.A. Anderson, “Zirconia Coated gamma-Al2O3 membrane toplayers,” Key Engin. Mater., 61/62 383-87 (1991).

224 F.M. Velterop and K. Keizer, “Development of a high temperature resistant module for ceramic membranes, Transport and related (gas and vapour) separation in ceramic membranes, in Inorganic Membranes,” Key Engin. Mater., 61/62 391-95 (1991).

225 K. Keizer, K.N.P. Kumar, C. Lijzenga, V.T. Zaspalis and A.J. Burggraaf, “Stress development during the formation of ceramic membranes - stress relaxation in alumina-titania composite membranes during drying,” Key Engin. Mater., 61/62 433-47 (1991).

226 Y.S. Lin, J. Meijerink, H.W. Brinkman, K.J. de Vries and A.J. Burggraaf, “Microporous and dense ceramic membranes prepared by CVD and EVD,” Key Engin. Mater., 61/62 465-69 (1991).

227 K.J. de Vries, R.A. Kuipers, L.G.J. de Haart and A.J. Burggraaf, “Planar Solid Oxide Fuel Cells Based on Very Thin YSZ Electrolyte Layers”; pp. 135-45 in: Proc. 2nd Int. Symp. on Fuel Cells, Athens, Greece, July 2-5, 1991. Edited by F. Grosz, P. Zegers, S.C. Sinhal and O. Yamamoto.

228 L.G.J. de Haart, K.J. de Vries, A.P.M. Carvalho, J.R. Frade and F.M.B. Marques, “Evaluation of porous ceramic cathode layers for solid oxide fuel cells,” Mater. Res. Bull., 26 [6] 507-17 (1991).

229 V.T. Zaspalis, W. van Praag, K. Keizer, J.R.H. Ross and A.J. Burggraaf, “Synthesis and characerization of primary aluminia, titania and binary membranes,” J. Mater. Sci., 27 [4] 1023-35 (1992).

230 H. Kruidhof, H.J.M. Bouwmeester, K.J. de Vries, P.J. Gellings and A.J. Burggraaf, “Thermochemical stability and nonstoichiometry of erbia-stabilized bismuth oxide,” Solid State Ionics, 50 [2] 181-86 (1992).

231 R.J.R. Uhlhorn, M.H.B.J. Huis in 't Veld, K. Keizer and A.J. Burggraaf, “Synthesis of ceramic membranes. Part I. Synthesis of non-supported and supported γ-alumina membranes without defects,” J. Mater. Sci., 27 [2] 527-37 (1992).

232 R.J.R. Uhlhorn, V.T. Zaspalis, K. Keizer and A.J. Burggraaf, “Synthesis of ceramic membranes. Part II. Modification of alumina thin films: reservoir method,” J. Mater. Sci. 27 [2] 538-52 (1992).

233 J.H.L. Voncken, C. Lijzenga, K.N.P. Kumar, K. Keizer and A.J. Burggraaf, “New method for the measurement of stress in thin drying gel layers, produced during the formation of ceramic membranes,” J. Mater. Sci., 27 [2] 472-78 (1992).

234 P.J. Gellings and H.J.M. Bouwmeester, “Ion and Mixed Conducting Oxides as Catalysts,” Catal. Today, 12 [1] 1-105 (1992).

235 R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf, “Gas transport and separation with ceramic membranes. Part I. Multilayer diffusion and capillary condensation,” J. Membrane Sci., 66 [2/3] 259-69 (1992).

236 R.J.R. Uhlhorn, K. Keizer and A.J. Burggraaf, “Gas transport and separation with ceramic membranes. Part II. Synthesis and separation properties of microporous membranes,” J. Membrane Sci., 66 [2-3] 271-87 (1992).

237 Y.S. Lin, K.J. de Vries, H.W. Brinkman and A.J. Burggraaf, “Oxygen semipermeable solid oxide membrane composites prepared by electrochemical vapor deposition,” J. Membrane Sci., 66 [2-3] 211-26 (1992).

238 A.J. Burggraaf, “Stuijts Memorial Lecture 1991: Some new developments in ceramic science and technology,” J. Eur. Ceram. Soc., 9 [4] 245-50 (1992).

239 G.S.A.M. Theunissen, A.J.A. Winnubst and A.J. Burggraaf, “Effect of dopants on the sintering behaviour and stability of tetragonal zirconia ceramics,” J. Eur. Ceram. Soc., 9 [8] 251-63 (1992).

240 Y.S. Lin and A.J. Burggraaf, “CVD of solid oxides in porous substrates for ceramic membrane modification,” AICHE Journal, 38 [3] 445-54 (1992).

241 K.N.P. Kumar, K. Keizer and A.J. Burggraaf, “Stress development during the formation of ceramic membranes. Part I. Stress development during drying”; pp. 204-10 in: Proc. 2nd Eur. Conf. on Advanced Materials and Processes, Cambridge, July 1991. The Institute of Materials, 1992.

242 K.N.P. Kumar, K. Keizer, A.J. Burggraaf, Tatsuya Okubo, H. Nagamoto and S. Morooka, “Densification of nanostructured titania assisted by a phase transformation,” Nature, 358 [6397] 48-51 (1992).

243 I.C. Vinke, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Three-electrode current-voltage measurements on erbia-stabilized bismuth oxide with sputtered noble metal electrodes,” Solid State Ionics, 51 [3-4] 249-59 (1992).

244 B.A. van Hassel, B.A. Boukamp and A.J. Burggraaf, “Electrode polarization at the Au, O2(g)/Fe implanted yttria-stabilized zirconia interface,” Solid State Ionics, 51 [2] 161-74 (1992).

245 B.A. van Hassel and A.J. Burggraaf, “Characterization of Fe implanted yttria-stabilized zirconia by cyclic voltammetry,” Solid State Ionics, 51 [2] 175-81 (1992).

246 B.A. van Hassel, B.A. Boukamp and A.J. Burggraaf, “Oxygen transfer properties of ion-implanted yttria-stabilized zirconia,” Solid State Ionics, 53/56 [2] 890-903 (1992).

247 H.J.M. Bouwmeester, H. Kruidhof, A.J. Burggraaf and P.J. Gellings, “Oxygen semipermeability of erbia-stabilized bismuth oxide,” Solid State Ionics, 53/56 [1] 460-68 (1992).

248 G.S.A.M. Theunissen, J.S. Bouma, A.J.A. Winnubst and A.J. Burggraaf, “Mechanical properties of ultra-fine grained zirconia ceramics,” J. Mater. Sci., 27 [14] 4429-38 (1992).

249 A.J. Burggraaf and H. Verweij, “Zeolite Catalytic Membranes,” Report University of Twente, Enschede, the Netherlands, CT92/498/128, September 1992, to Catalysts Consultants Inc., Philadelphia, U.S.A.

250 I.C. Vinke, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Mixed conductivity in terbia-stabilized bismuth oxide,” Solid State Ionics, 57 [1]91-98 (1992).

251 I.C. Vinke, J. Diepgrond, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Bulk and electrochemical properties of BiVO4,” Solid State Ionics, 57 [1] 83-89 (1992).

252 P.D.L. Mercera, J.G. van Ommen, E.B.M. Doesburg, A.J. Burggraaf and J.R.H. Ross, “Influence of ethanol washing of the hydrous precursor on the textural and structural properties of zirconia,“ J. Mater. Sci., 27 [16] 4890-98 (1992).

253 G.S.A.M. Theunissen, A.J.A. Winnubst and A.J. Burggraaf, “Surface and grain boundary analysis of doped zirconia ceramics studied by AES and XPS,” J. Mater. Sci., 27 [16] 5057-66 (1992).

254 B.A. van Hassel and A.J. Burggraaf, “Effect of ion implantation doping on electrical properties of yttria-stabilized zirconia thin films,” Solid State Ionics, 57 [3-4] 193-201 (1992).

255 M.M.R. Boutz, R.J.M. Olde Scholtenhuis, A.J.A. Winnubst and A.J. Burggraaf, “Stability of aqueous suspensions of high surface area zirconia powders in the presence of polyacrylic acid polyelectrolyte”; pp. 303-07 in: Better Ceramics through Chemistry V, Vol. 271. Edited by M.J. Hampden-Smith, W.G. Klemperer and C.J. Brinker. MRS Symp. Proc., 1992.

256 A.J.A. Winnubst, G.S.A.M. Theunissen, M.M.R. Boutz and A.J. Burggraaf, “Sintergedrag en microstructuur van nanokristallijn tetragonaal zirconia,” Klei Glas Keramiek, 13 [10] 312-16 (1992).

257 K.N.P. Kumar, V.T. Zaspalis, K. Keizer and A.J. Burggraaf, “Drying process in the formation of sol-gel-derived TiO2 ceramic membrane,” J. Non-Cryst. Sol., 147/148 [1] 375-81 (1992).

258 I.C. Vinke, B.A. Boukamp, K.J. de Vries and A.J. Burggraaf, “Three-electrode current-voltage measurements on erbia stabilized bismuth oxide with co-pressed gold gauze electrodes,” Solid State Ionics 58 [1] 33-40 (1992).

259 R.S.A. de Lange, J.H.A. Hekkink, K. Keizer and A.J. Burggraaf, “Preparation and characterization of microporous sol-gel derived ceramic membranes for gas separation applications”; pp. 505-10 in: Better Ceramics through Chemistry V, Vol. 271. Edited by M.J. Hampden-Smith, W.G. Klemperer and C.J. Brinker. MRS Symp Proc., 1992.

260 K.N.P. Kumar, V.T. Zaspalis, F.F.M. de Mul, K. Keizer and A.J. Burggraaf, “Thermal stability of supported titania membranes”; pp. 499-504 in: Better Ceramics through Chemistry V, Vol. 271. Edited by M.J. Hampden-Smith, W.G. Klemperer and C.J. Brinker. MRS Symp. Proc., 1992.

264 G.J.E. Polhaar, Y.S. Lin, L.G.J. de Haart, K.J. de Vries and A.J. Burggraaf, “Oxygen permeation through thin dense EVS YSZ membranes,” Mater. Sci. Forum, 76 111-14 (1991). 3rd Int. Symp. on Systems with Fast Ionic Transport, April 21-25, 1991, Holzau, Germany.

265 H.J.M. Bouwmeester, H. Kruidhof, P.J. Gellings and A.J. Burggraaf, “Oxygen semi-permeability of erbia-stabilized bismuth oxide,” Mater. Sci. Forum, 76 165-70 (1991). 3rd Int. Symp. on Systems with Fast Ionic Transport, April 21-25, 1991, Holzau, Germany.

266 M.H.B.J. Huis in 't Veld, R.J.R. Uhlhorn, Y.S. Lin, K. Keizer and A.J. Burggraaf, “Porous inorganic composite semipermeable membrane and a method of preparation,” U.S. Patent 5.160.617, 3 November 1992.

277 V.T. Zaspalis, K. Keizer, A.J. Burggraaf and M.P. Harold, “New concepts in reactor applications: membrane reactors”; pp. A143-60 in: Proc. European Applied Research Conf. on Natural Gas Edited by A. Holman, B.F. Magnusson and F. Steineke. “Eurogas 92”, Trondheim, Norway, June 1-3, 1992.

295 M.M.R. Boutz, A.J.A. Winnubst and A.J. Burggraaf, N. Nauer and C. Carry, “Low temperature superplastic flow of yttria stabilized tetragonal zirconia polycrystals”; pp. 939-49 in: Euro-Ceramics II, Vol. 2, Structural ceramics and composites. Edited by G. Ziegler and H. Hausner. Proc. 2nd Eur. Ceram. Soc. Conf, Augsburg, FRG, September 11-14, 1991.

296 P. den Exter, A.J.A. Winnubst and A.J. Burggraaf, “Sintering of ZTA at low temperatures through transition alumina densification”; pp. 1377-81 in: Euro-Ceramics II, Vol. 2, Structural ceramics and composites. Edited by G. Ziegler and H. Hausner. Proc. 2nd Eur. Ceram. Soc. Conf, Augsburg, FRG, September 11-14, 1991.

297 H.W. Brinkman, L.G.J. de Haart, Y.S. Lin, K.J. de Vries and A.J. Burggraaf, “Electrochemical vapour deposited zirconia/yttria thin layers on porous substrates”; pp. 2375-78 in: Euro-Ceramics II, Vol. 2, Structural ceramics and composites. Edited by G. Ziegler and H. Hausner. Proc. 2nd Eur. Ceram. Soc. Conf, Augsburg, FRG, September 11-14, 1991.

624 B.A. Boukamp,”A nonlinear least squares fit procedure for analysis of immittance data of electrochemical systems,” Solid State Ionics 20 31-44 (1986).