MESA+ University of Twente
Interfaces and correlated electrons

Publications

List of publications

2014

(130) D.P. Leusink, F. Coneri, M. Hoek, S. Turner, H. Idrissi, G. van Tendeloo and H. Hilgenkamp, ‘Thin films of the spin ice compound Ho2Ti2O7

Applied Physics Letters Materials 2, 032101 (2014).

(129) A. McCollam, S. Wenderich, M.K. Kruize, V.K. Guduru, H.J.A. Molegraaf, M. Huijben, G. Koster, D.H.A. Blank, G. Rijnders, A. Brinkman, H. Hilgenkamp, U. Zeitler and J.C. Maan, ‘Quantum oscillations and subband properties of the two dimensional electron gas at the LaAlO3/SrTiO3 interfaces’,

Applied Physics Letters Materials 2, 022102 (2014).

(128) M. Hoek, F. Coneri, D.P. Leusink, P.D. Eerkes, X. Renshaw Wang and H. Hilgenkamp, ‘Effect of high oxygen pressure annealing on superconducting Nd1.85Ce0.15CuO4 thin films by pulsed laser deposition from Cu-enriched targets’,

Superconductor Science and Technology 27, 044017 (2014).

2013

(127) A. Annadi, X. Wang, K. Gopinadhan, W.M. Lü, A. Roy Barman, Z.Q. Liu, A. Srivastava, S. Saha, Y.L. Zhao, S.W. Zeng, S. Dhar, N. Tuzla, E. Olsson, Q. Zhang, B. Gu, S. Yunoki, S. Maekawa, H. Hilgenkamp, T. Venkatesan and Ariando, ‘Anisotropic two dimensional electron gas at the LaAlO3/SrTiO3 (110) interface’,

Nature Communications 4, 1838 (2013).

(126) M. Huijben, G. Koster, M.K. Kruize, S. Wenderich, J. Verbeeck, S. Bals, E. Slooten, B. Shi, H.J.A. Molegraaf, J.E. Kleibeuker, S. van Aert, J.B. Goedkoop, A. Brinkman, D.H.A. Blank, M.S. Golden, G. van Tendeloo, H. Hilgenkamp, G. Rijnders, ‘Defect engineering in oxide heterostructures by enhanced oxygen surface exchange’,

Advanced Functional Materials 23, 5240 (2013).

(125) H. Hilgenkamp, ‘Novel transport phenomena at complex oxide interfaces’,

MRS Bulletin 38, 1026 (2013).

(124) L. Rademaker, J. van den Brink, J. Zaanen and H. Hilgenkamp, ‘Exciton condensation in strongly correlated electron bilayers’,

Physical Review B 88, 235127 (2013).

(123) V.K. Guduru, A. McCollam, A. Jost, S. Wenderich, H. Hilgenkamp, J.C. Maan, A. Brinkman, U. Zeitler, ‘Thermally excited multiband conduction in LaAlO3/SrTiO3 heterostructures exhibiting magnetic scattering’,

Physical Review B 88, 241301 (2013).

(122) L. Rademaker, J. van den Brink, H. Hilgenkamp and J. Zaanen, ‘Enhancement of spin propagation due to interlayer exciton condensation’,

Physical Review B 88, 121101 (2013).

(121) E. Slooten, Z. Zhong, H.J.A. Molegraaf, P.D. Eerkes, S. de Jong, F. Massee, E. van Heumen, M.K. Kruize, S. Wenderich, J.E. Kleibeuker, M. Gorgoi, H. Hilgenkamp, A. Brinkman, M. Huijben, G. Rijnders, D.H.A. Blank, G. Koster, P.J. Kelly and M.S. Golden,

‘Hard x-ray photoemission and density functional theory study of the internal electric field in SrTiO3/LaAlO3 oxide heterostructures’

Physical Review B 87, 075435 (2013).

(120) G. Drera, G. Salvinelli, A. Brinkman, M. Huijben, G. Koster, H. Hilgenkamp, G. Rijnders, D. Visentin, L. Sangaletti, ‘Band offsets and density of Ti3+ states probed by x-ray photoemission on LaAlO3/SrTiO3 heterointerfaces and their LaAlO3 and SrTiO3 bulk precursors’,

Physical Review B 87, 075435 (2013).

(119) P. Eerkes, W.G. van der Wiel, H. Hilgenkamp, ‘Modulation of conductance and superconductivity by top-gating in LaAlO3/SrTiO3 2-dimensional electron systems’,

Applied Physics Letters 103, 201603 (2013).

(118) V.K. Guduru, A. Granados del Aguila, S. Wenderich M.K. Kruize, A. McCollam, P.C.M. Christianen, U. Zeitler, A. Brinkman, G. Rijnders, H. Hilgenkamp and J.C. Maan,

‘Optically excited multi-band conduction in LaAlO3/SrTiO3 heterostructures’,

Applied Physics Letters 102, 051604 (2013).

(117) M. Veldhorst, M. Snelder, M. Hoek, C.G. Molenaar, D.P. Leusink, A.A. Golubov, H. Hilgenkamp and A. Brinkman,

‘Magnetotransport and induced superconductivity in Bi based three-dimensional topological insulators’,

Physica Status Solidi Rapid Research Letters 7, 26 (2013).

(116) V.K. Guduru, A. McCollam, J.C. Maan, U. Zeitler, S. Wenderich, M.K. Kruize, A. Brinkman, M. huijben, G. Koster, D.H.A. Blank, G. Rijnders and H. Hilgenkamp,

‘Multi-band conduction behavior at the interface of LaAlO3/SrTiO3 heterostructures’,

Journal of the Korean Physical Society 63, 437-440 (2013).

2012

(115) M. Veldhorst, M. Snelder, M. Hoek, T. Gang, V.K. Guduru, X.L. Wang, U. Zeitler, W.G. van der Wiel, A.A. Golubov, H. Hilgenkamp and A. Brinkman,

‘Josephson supercurrent through a topological insulator surface state’,

Nature Materials doi:10.1038/nmat3255 (2012).

(114) M. Veldhorst, C.G. Molenaar, X.L. Wang, H. Hilgenkamp and A. Brinkman,

‘Experimental realization of superconducting quantum interference devices with topological insulator junctions’,

Applied Physics Letters 100, 072602 (2012).

(113) L. Rademaker, K. Wu, H. Hilgenkamp and J. Zaanen,

‘The dynamical frustration of interlayer excitons delocalizing in bilayer quantum antiferromagnets’

Europhysics Letters 97, 27004 (2012).

(112) M. Veldhorst, C.G. Molenaar, C.J.M. Verwijs, H. Hilgenkamp and A. Brinkman,

‘Optimizing the Majorana character of SQUIDs with topologically nontrivial barriers’,

Phys. Rev. B 86, 024509 (2012).

(111) M. Huijben, D. Kockmann, J. Huijben, J.E. Kleibeuker, A. van Houselt, G. Koster, D.H.A. Blank, H. Hilgenkamp, G. Rijnders, A. Brinkman and H.J.W. Zandvliet,

‘Local probing of coupled interfaces between two-dimensional electron and hole gases in oxide heterostructures by variable-temperature scanning tunneling spectroscopy’,

Phys. Rev. B 86, 035140 (2012).

(110) V. Vonk, J. Huijben, D. Kukuruznyak, A. Stierle, H. Hilgenkamp, A. Brinkman, and S. Harkema,

‘Polar-discontinuity-retaining A-site intermixing and vacancies at SrTiO3/LaAlO3 interfaces’,

Phys. Rev. B 85, 045401 (2012).

(109) A. Rusidy, S. Dhar, A. Roy Barman, Ariando, D.-C. Qi, M. Motapothula, J.B. Yi, I. Santoso, Y.P. Feng, Y. Dai, N.L. Yakovlev, J. Ding, A.T.S. Wee, G. Neuber, M.B.H. Breese, H. Hilgenkamp and T. Venkatesan, ‘Cationic-vacancy-induced room-temperature ferromagnetism in transparent, conducting anatase Ti1-xTaxO2 (x ≈ 0.05) thin films’,

Phil. Trans. R. Soc. A 370, 4927-4943 (2012).

(108) M. Veldhorst, M. Snelder, M. Hoek, C.G. Molenaar, D.P. Leusink, A. Golubov, H. Hilgenkamp and A. Brinkman, ‘Magnetotransport and induced superconductivity in Bi-based three dimensional topological insulators’,

Phys Stat. Sol., Rapid Research Letters. ISSN 1862-6254 (2012).

2011

(107) Ariando, X. Wang, G. Baskaran, Z.Q. Liu, J. Huijben, J.B. Yi, A. Annadi, A.R. Barman, A. Rusydi, S. Dhar, Y.P. Feng, J. Ding, H. Hilgenkamp, T. Venkatesan,

‘Electronic phase separation at the LaAlO3/SrTiO3 interface’

Nature Communications 2, 188 (2011).

(106) L. Rademaker, J. Zaanen and H. Hilgenkamp,

‘Prediction of quantization of magnetic flux in double-layer exciton superfluids’,

Physical Review B 83, 012504 (2011).

(105) L. Rademaker, K. Wu, H. Hilgenkamp and J. Zaanen,

‘The dynamical frustration of interlayer excitons delocalizing in bilayer quantum antiferromagnets’,

Europhysics Letters (2011), in press

(104) G. Drera, F. Banfi, F.F. Canova, P. Borghetti, L. Sangaletti, F. Bondino, E. Magnano, J. Huijben, M. Huijben, G. Rijnders, D.H.A. Blank, H. Hilgenkamp, A. Brinkman,

‘Spectroscopic evidence of in-gap states at the SrTiO3/LaAlO3 ultrathin interfaces’,

Applied Physics Letters 98, 052907 (2011).

(103) M. Van Zalk, A. Brinkman, H. Hilgenkamp, ‘Conductance anisotropy and linear magnetoresistance in La2-xSrxCuO4 thin films’,

Journal of Physics - Condensed Matter 23, 205602 (2011).

(102) I. Shigeta, O. Murayama, T. Hisamatsu, A, Brinkman, A.A. Golubov, Y. Tanaka, M. Ito, H. Hilgenkamp, M. Hiroi, ‘Spin polarization of Fe-rich ferromagnetic compounds in Ru(2-x)FexCrSi Heusler alloys’,

Journal of Physics and Chemistry of Solids 72, 604 (2011).

2010

(101) T. Brück, C. Beaudry, H. Hilgenkamp, N. Karoonuthaisiri, H.S. Mohamed and G.A. Weiss,

‘Empowering Young Scientists’,

Science 328, 17 (2010).

(100) T. Brück, C. Beaudry, H. Hilgenkamp, R. Kassen, N. Karoonuthaisiri, H.S. Mohamed and G.A. Weiss,

‘The Time of Young Scientists Response’,

Science 329, 626-627 (2010).

(99) K. Cedergren, J.R. Kirtley, T. Bauch, G. Rotoli, A. Troeman, H. Hilgenkamp, F. Tafuri and F. Lombardi,

‘Interplay between static and dynamic properties of semifluxons in YBa2Cu3O7-d 0-pi Josephson junctions’

Physical Review Letters 104, 177003 (2010).

(98) R. Pentcheva, M. Huijben, K. Otte, W.E. Pickett, J.E. Kleibeuker, J. Huijben, W. Siemons, G. Koster, H. Zandvliet, G. Rijnders, D.H.A. Blank, H. Hilgenkamp and A. Brinkman,

‘Parallel electron-hole bilayer conductivity from electronic interface reconstruction’,

Physical Review Letters 104, 166804 (2010).

(97) J. Verbeeck, S. Bals, A.N. Kravtsova, D. Lamoen, M. Luysberg, M. Huijben, G. Rijnders, A. Brinkman, H. Hilgenkamp, D.H.A. Blank and G. Van Tendeloo,

‘Electronic reconstruction at n-type LaAlO3/SrTiO3 interfaces’

Physical Review B 81, 085113 (2010).

(96) M. van Zalk, A. Brinkman, J. Aarts and H. Hilgenkamp,

‘Interface resistance of YBa2Cu3O7-d/La0.67Sr0.33MnO3 ramp-type contacts’,

Physical Review B 82, 134513 (2010)

(95) J.N. Beukers, J.E. Kleibeuker, G. Koster, G. Rijnders, D.H.A. Blank, G. Rijnders, H. Hilgenkamp and A. Brinkman,

‘Epitaxial EuO thin films by pulsed laser deposition monitored by in situ x-ray photoelectron spectroscopy’,

Thin Solid Films 518, 5173-5176 (2010).

2009

(94) M. Huijben, A. Brinkman, G. Koster, G. Rijnders, H. Hilgenkamp and D.H.A. Blank,

‘Structure-property relation of SrTiO3/LaAlO3 interfaces’,

Advanced Materials 21, 1665-1677 (2009).

(93) C. Gurlich, E. Goldobin, R. Straub, D. Doenitz, Ariando, H.J.H. Smilde, H. Hilgenkamp, R. Kleiner, D. Koelle,

‘Imaging of order parameter induced pi phase shifts in cuprate superconductors by low-temperature scanning electron microscopy’,

Physical Review Letters 103, 067011 (2009).  

(92) B. Kalisky, J.R. Kirtley, E.A. Nowadnick, R.B. Dinner, E. Zeldov, Ariando, S. Wenderich, H. Hilgenkamp, D.M. Feldmann and K.A. Moler,

‘Dynamics of single vortices in grain boundaries: I-V characteristics on the femtovolt scale’,

Applied Physics Letters 94, 202504 (2009).

(91) M. van Zalk, M. Veldhorst, A. Brinkman, J. Aarts, H. Hilgenkamp,

‘Magnetization-induced resistance switching effects in La0.67Sr0.33MnO3/YBa2Cu3O7- bi and trilayers’,

Physical Review B 79. 134509 (2009).

(90) C.P. Foley and H. Hilgenkamp,

‘Why nanoSQUIDs are important: an introduction to the focus issue’,

Superconductor Science and Technology 22, 064001 (2009).

2008

(89) B. Chesca, S.E. Savel’ev, A.L. Rakhmanov, H.J.H. Smilde and H. Hilgenkamp,

‘Controlling Josephson dynamics by strong microwave fields’,

Physical Review B 78. 094505 (2008).

(88) B. Chesca, H.J.H. Smilde and H. Hilgenkamp,

‘Upper bound on the Andreev states induced second harmonic in the Josephson coupling of YBa2Cu3O7‑/Nb junctions from experiment and numerical simulation’,

Physical Review B 77, 184510 (2008).

(87) A.G.P.Troeman, S.H.W. van der Ploeg, E. Ilíchev, H.G. Meyer, A.A. Golubov, M.Y. Kupriyanov, H. Hilgenkamp,

Temperature dependence measurements of the supercurrent-phase relationship in niobium nanobridges’, Physical Review B 77, 024509 (2008).

(86) K. Kuit, J.R. Kirtley, W. Van der Veur, C.G. Molenaar, F.J.G. Roesthuis, A.G.P. Troeman, J.R. Clem, H. Hilgenkamp, H. Rogalla and J. Flokstra,

‘Vortex trapping and expulsion in thin-film YBa2Cu3O7- strips’,

Physical Review B 77, 134504 (2008).

(85) G. Koster, A. Brinkman, H. Hilgenkamp, A.J.H.M.Rijnders, and D.H.A. Blank,

‘High-Tc superconducting thin films with composition control on a sub-unit cell level; the effect of the polar nature of the cuprates’,

Journal of Physics: Condensed Matter 20, 264007 (2008).

(84) H. Hilgenkamp,

‘Pi-phase shift Josephson structures’,

Superconductor Science and Technology 21, 034001 (2008).

2007

(83) A. Brinkman, M. Huijben, M. van Zalk, J. Huijben, U. Zeitler, J.K. Maan, W.G. van der Wiel, G. Rijnders, D.H.A. Blank and H. Hilgenkamp,

‘Magnetic effects at the interface between nonmagnetic oxides’,

Nature Materials 6, 493-496 (2007).

(82) A.G.P.Troeman, H. Derking, B.Borger, J. Pleikies, D. Veldhuis and H. Hilgenkamp,

‘NanoSQUIDs based on Niobium constrictions’.

Nano Letters 7, 2152-2156 (2007).

 

(81) S. Kawabata, A.A. Golubov, Ariando, C.J.M. Verwijs, H. Hilgenkamp and J.R. Kirtley,

‘Macroscopic quantum tunneling and quasiparticle-tunneling blockade effect in s-wave/d-wave hybrid junctions’,

Physical Review B 76, 064505 (2007).

(80) S. Kawabata, A.A. Golubov, Ariando, C.J.M. Verwijs, and H. Hilgenkamp,

‘Theory of macroscopic quantum tunnelling in Nb/Au/YBCO Josephson junctions’,

Physica C 463, 80-83 (2007).

(79) T. Ortlepp, Ariando, O. Mielke, C.J.M. Verwijs, K.F.K. Foo, A. Andreski, H. Rogalla, F.H. Uhlmann and H. Hilgenkamp,

‘RSFQ circuitry using intrinsic pi-phase shifts’,

IEEE Transactions on Applied Superconductivity 17, 659-663 (2007).

2006

(78) T. Ortlepp, Ariando, O. Mielke, C.J.M. Verwijs, K.F.K. Foo, H. Rogalla, F.JH. Uhlmann, and H. Hilgenkamp, 'Flip-flopping fractional flux quanta',

Science 312, 1495-1497 (2006).

(77) J.R. Kirtley, C.C. Tsuei, Ariando, C.J.M. Verwijs, S. Harkema, and H. Hilgenkamp,

'Angle-resolved phase-sensitive determination of the in-plane gap symmetry in YBa2Cu3O7',

Nature Physics 2, 190-194 (2006).

(76) M. Huijben, G. Rijnders, D.H.A. Blank, S. Bals, S. van Aert, J. Verbeeck, G. van Tendeloo, A. Brinkman, and H. Hilgenkamp,

‘Electronically coupled complementary interfaces between perovskite band insulators’,

Nature Materials 5, 556-560 (2006).

(75) M. Freitag, J.C. Tsang, J. Kirtley, A. Carlsen, J. Chen, A. Troeman, H. Hilgenkamp and P. Avouris, ‘Electrically excited, localized infrared emission from single carbon nanotubes’,

Nano Letters 6, 1425-1433 (2006).

(74) B. Chesca, D. Doenitz, T. Dahm, R.P. Huebener, D. Koelle, R. Kleiner, Ariando, H.J.H. Smilde, and H. Hilgenkamp,

'Observation of Andreev bound states in YBa2Cu3O7‑x/Au/Nb ramp-type Josephson junctions',

Physical Review B 73, 014529 (2006).

(73) M. van Zalk, A. Brinkman, A.A. Golubov, H. Hilgenkamp, T.H. Kim, J.S. Moodera and H. Rogalla, 'Fabrication of multiband MgB2 tunnel junctions for transport measurements',

Superconductor Science and Technology 19, S226-S230 (2006).

(72) H.J.M. ter Brake, F.I. Buchholz, G. Burnell, T. Claeson, D. Crete, P. Febvre, G.J. Gerritsma, H. Hilgenkamp, R. Humphreys, Z. Ivanov, W. Jutzi, M.I. Khabipov, J. Mannhart, H.G. Meyer, J. Niemeyer, A. Ravex, H. Rogalla, M. Russo, J. Satchell, M. Siegel, H. Topfer, F.H. Uhlmann, J.C. Villegier, E. Wikborg, D. Winkler, A.B. Zorin, 'SCENET roadmap for superconductor digital electronics',

Physica C 439, 1-41 (2006).

2005

(71) H.J.H. Smilde, A.A. Golubov, Ariando, G. Rijnders, J.M. Dekkers, S. Harkema, D.H.A. Blank, H. Rogalla and H. Hilgenkamp,

'Admixtures to d-wave gap symmetry in untwinned YBa2Cu3O7 superconducting films measured by angle-resolved electron tunneling',

Physical Review Letters 95, 257001 (2005).

(70) Ariando, D. Darminto, H.J.H. Smilde, V. Leca, D.H.A. Blank, H. Rogalla, and H. Hilgenkamp,

‘Phase-sensitive order parameter symmetry test experiments utilizing Nd2-xCexCuO4-y/Nb zigzag junctions’,

Physical Review Letters 94, 179902 (2005).

(69) D. Mijatovic, A. Brinkman, D. Veldhuis, H. Hilgenkamp, H. Rogalla, G. Rijnders, D.H.A. Blank, A.V. Pogrebnyakov, J.M. Redwing, S.Y. Xu, Q. Li and X.X. Xi,

'SQUID magnetometer operating at 37K based on nanobridges in epitaxial MgB2 thin films',

Applied Physics Letters 87, 192505 (2005).

(68) J.R. Kirtley, C.C. Tsuei, Ariando, H.J.H. Smilde and H. Hilgenkamp,

'Antiferromagnetic ordering in arrays of superconducting pi-rings',

Physical Review B 72, 257001 (2005).

 

(67) A. Brinkman, H. Hilgenkamp,

‘Electron-hole coupling in high-Tc cuprate superconductors’,

Physica C 422, 71-75 (2005).

2004

(66) H.J.H. Smilde, Ariando, H. Rogalla, H. Hilgenkamp,

‘Bistable superconducting quantum interference device with built-in switchable π/2 phase shifts’

Applied Physics Letters 85, 4091-4094 (2004).

(65) J.H.T. Ransley, P.F. McBrien, G. Burnell, E.J. Tarte, J.E. Evetts, R.R. Schulz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, J. Mannhart,

‘Capacitance measurements on grain boundaries in Y(1‑x)CaxBa2Cu3O7-’,

Physical Review B 70, 104502 (2004).

(64) H.J.H. Smilde, Ariando, D.H.A. Blank, H. Hilgenkamp, H. Rogalla, ‘-SQUIDs based on Josephson contacts between high-Tc and low-Tc superconductors’,

Physical Review B 70, 024519 (2004).

(63) D. Mijatovic, A. Brinkman, H. Hilgenkamp, H. Rogalla, G. Rijnders, D.H.A. Blank,

‘Pulsed-laser deposition of MgB2 and B thin films’,

Applied Physics A – Materials Science & Processing 79, 1243-1246 (2004).

2003

(62) H. Hilgenkamp, V.V. Moshchalkov, P. Kes,

‘Flux quanta on the move’,

Science 302, 1159-1160 (2003).

(61) H. Hilgenkamp, Ariando, H.J.H. Smilde, D.H.A. Blank, G. Rijnders, H. Rogalla, J.R. Kirtley and C.C. Tsuei, ‘Ordering and manipulation of the magnetic moments in large-scale superconducting pi-loop arrays’,

Nature 422, 50-53 (2003).

(60) J.M. Dekkers, G. Rijnders, S. Harkema, H.J.H. Smilde, H. Hilgenkamp, H. Rogalla, D.H.A. Blank, ‘Monocrystalline YBa2Cu3O7-x thin films on vicinal SrTiO3(001) substrates’,
Applied Physics Letters 83, 5199-5201 (2003).

(59) H. Susanto, S.A. van Gils, T.P.P. Visser, Ariando, H.J.H. Smilde and H. Hilgenkamp,

‘Static semifluxons in a long Josephson junction with -discontinuity points’,

Physical Review B 68, 104501 (2003).

(58) A. Brinkman, D. Mijatovic, H. Hilgenkamp, G. Rijnders, I. Oomen, D. Veldhuis, F. Roesthuis, H. Rogalla, D.H.A. Blank,

‘The road to magnesium diboride thin films, Josephson junctions and SQUIDs’,

Superconductor Science and Technology 16, 246-253 (2003).

(57) D. Mijatovic, A. Brinkman, I. Oomen, D. Veldhuis, G. Rijnders, H. Hilgenkamp, H. Rogalla and D.H.A. Blank,

’MgB2 thin films and Josephson devices’,

IEEE Transactions on Applied Superconductivity 13, 3245-3248 (2003).

2002

(56) H. Hilgenkamp and J. Mannhart,

'Grain boundaries in high temperature superconductors',

Reviews of Modern Physics 74, 485-549 (2002).

(55) R.G. Mints, I. Papiashvili, J.R. Kirtley, H. Hilgenkamp, G. Hammerl and J. Mannhart,

‘Observation of splintered Josephson vortices at grain boundaries in YBa2Cu3O7-’,

Physical Review Letters 89, 067004/1-4 (2002).

(54) B. Chesca, R.R. Schulz, B. Goetz, C.W. Schneider, H. Hilgenkamp and J. Mannhart,

‘d-wave induced zero-field resonances in dc pi-superconducting quantum interference devices’,

Physical Review Letters 88, 177003/1-4 (2002).

(53) H.J.H. Smilde, Ariando, D.H.A. Blank, G.J. Gerritsma, H. Hilgenkamp and H. Rogalla,

'd-Wave induced Josephson current counterflow in YBCO-Nb zigzag junctions',

Physical Review Letters 88, 057004/1-4 (2002).

(52) H.J.H. Smilde, H. Hilgenkamp, G. Rijnders, H. Rogalla and D.H.A. Blank,

‘Enhanced transparency ramp-type Josephson contacts through interlayer deposition’,

Applied Physics Letters 80, 4579-4581 (2002).

(51) D. Mijatovic, A. Brinkman, I. Oomen, G. Rijnders, H. Hilgenkamp, H. Rogalla and D.H.A. Blank, ‘Magnesium-diboride ramp-type Josephson junctions’,

Applied Physics Letters 80, 2141-2143 (2002).

(50) J. Mannhart, H. Hilgenkamp, G. Hammerl and C.W. Schneider,

‘Experiments with d-wave superconductors’,

Physica Scripta T102: 107-110 (2002).

(49) D. Mijatovic, G. Rijnders, H. Hilgenkamp, D.H.A. Blank and H. Rogalla,

‘Growth studies of Ba1‑xKxBiO3- thin films by pulsed-laser deposition’,

Physica C 372, 596-599 (2002).

(48) D. Mijatovic, A. Brinkman, G. Rijnders, H. Hilgenkamp, H. Rogalla, D.H.A. Blank,

‘Superconducting thin films of MgB2 by pulsed-laser deposition’,

Physica C 372, 1258-1261 (2002).

2001

(47) A. Brinkman, D. Veldhuis, D. Mijatovic, G. Rijnders, D.H.A. Blank, H. Hilgenkamp and H. Rogalla, 'Superconducting quantum interference device based on MgB2 nanobridges',

Applied Physics Letters 79, 2420-2422 (2001).

(46) D.H.A. Blank, H. Hilgenkamp, A. Brinkman, D. Mijatovic, G. Rijnders and H. Rogalla,

'Superconducting Mg-B films by pulsed-laser deposition in an in situ two-step process using multicomponent targets',
Applied Physics Letters 79, 394-396 (2001).

(45) A. H. Sonnenberg, I. Oomen, H. Hilgenkamp, G.J. Gerritsma and H. Rogalla, 'Sigma-delta A/D converter in HTS ramp edge technology'
IEEE Transactions on Applied Superconductivity 11, 200-204 (2001).

(44) H.J.H. Smilde, H. Hilgenkamp, G.J. Gerritsma, D.H.A. Blank and H. Rogalla,

'Y-Ba-Cu-O/Au/Nb ramp-type Josephson junctions'
IEEE Transactions on Applied Superconductivity 11, 501-504 (2001).

(43) G. Hammerl, H. Bielefeldt, B. Goetz, A. Schmehl, C.W. Schneider, R.R. Schulz, H. Hilgenkamp and J. Mannhart,

‘Doping-induced enhancement of grain boundary critical currents’,

IEEE Transactions on Applied Superconductivity 11, 2830 (2001).

(42) A. Brinkman, D. Mijatovic, G. Rijnders, V. Leca, H.J.H. Smilde, I. Oomen, A.A. Golubov, F. Roesthuis, S. Harkema, H. Hilgenkamp, D.H.A. Blank and H. Rogalla, 'Superconducting thin films of MgB2 on Si by pulsed laser deposition’,
Physica C 353, 1-4 (2001).

2000

(41) G. Hammerl, A. Schmehl, R.R. Schulz, B. Goetz, H. Bielefeldt, C.W. Schneider, H. Hilgenkamp and J. Mannhart,

‘Increasing grain boundary critical currents in high-Tc superconductors at 77 K’,

Nature 407, 162 (2000).

 

(40) R.R. Schulz, B. Chesca, B. Goetz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, J. Mannhart and C.C. Tsuei,

‘Design and realization of an all d-wave dc -SQUID’

Applied Physics Letters 76, 912-914 (2000).

(39) J. Mannhart, H. Bielefeldt, B. Goetz, H. Hilgenkamp, A. Schmehl, C.W. Schneider and R.R. Schulz,

‘Grain Boundaries in high-Tc Superconductors: Insights and Improvements’.

Philosophical Magazine B 80, 827-834 (2000).

(38) R.R. Schulz, B. Chesca, B. Goetz, C.W. Schneider, A. Schmehl, H. Bielefeldt, H. Hilgenkamp, J. Mannhart and C.C. Tsuei, ‘Realization of high-Tc dc -SQUIDs’,

Physica C 341, 1651-1654 (2000).

(37) J. Mannhart, H. Bielefeldt, B. Goetz, H. Hilgenkamp, A. Schmehl, C.W. Schneider and R.R. Schulz, ‘Doping induced enhancement of the critical currents of grain boundaries in high-Tc superconductors’,

Physica C 341, 1393-1396 (2000).

1999

(36) C.W. Schneider, R.R. Schulz, B. Goetz, A. Schmehl, H. Bielefeldt, H. Hilgenkamp and J. Mannhart,
‘Tailoring of High-Tc Josephson Junctions by Doping their Electrodes’,

Applied Physics Letters 75, 850-852 (1999).

(35) A. Schmehl, B. Goetz, R.R. Schulz, C.W. Schneider, H. Bielefeldt, H. Hilgenkamp and J. Mannhart,

‘Doping induced enhancement of the critical currents of grain boundaries in YBa2Cu3O7-’.

Europhysics Letters 47, 110-115 (1999).

 

(34) H. Hilgenkamp, C.W. Schneider, B. Goetz, R.R. Schulz, A. Schmehl, H. Bielefeldt and J. Mannhart,

‘Grain boundary critical currents - A new perspective’

Superconductor Science and Technology 12, 1043-1045 (1999).

(33) H. Hilgenkamp and J. Mannhart,

‘Mechanisms controlling interface properties in high-Tc superconductors’.

IEEE Transactions on Applied Superconductivity 9, 3405-3408 (1999).

(32) H. Hilgenkamp, C.W. Schneider, R.R. Schulz, B. Goetz, A. Schmehl, H. Bielefeldt and J. Mannhart,

‘Modifying electronic properties of interfaces in high-Tc superconductors by doping’,

Physica C 326-327, 7-11 (1999).

1998

(31) E. Il’ichev, V. Zakosarenko, R.P.J. Ijsselsteijn, V. Schultze, H.G. Meyer, H.E. Hoenig, H. Hilgenkamp and J. Mannhart,

‘Non-sinusoidal current-phase relationship of grain boundary Josephson junctions in high-Tc superconductors’.

Physical Review Letters 81, 894 (1998).

(30) H. Hilgenkamp and J. Mannhart,

‘Superconducting and normal-state properties of YBa2Cu3O7- bicrystal grain boundary junctions in thin films’,

Applied Physics Letters 73, 265-267 (1998).

(29) J. Mannhart and H. Hilgenkamp,

‘Possible influence of band bending on the normal state properties of grain boundaries in high-Tc superconductors’. 

Materials Science and Engineering B 56, 77-85 (1998).

(28) J. Mannhart and H. Hilgenkamp,

‘Wave function symmetry and its influence on applications of high-Tc superconductors’,
Chinese Journal of Physics 36, 225 (1998).

1997

(27) H. Hilgenkamp and J. Mannhart, ‘Intrinsic junction barrier originating from tilt in contacts between dx2-y2 wave superconductors’,
Applied Physics A 64, 553 (1997).

(26) J. Mannhart and H. Hilgenkamp,

‘Wave function symmetry and influences on superconducting devices’,

Superconductor Science and Technology 10, 880-883 (1997).

(25) H.J.M. ter Brake, R. Karunanithi, H.J. Holland, D. Veldhuis, L. Vargas, J.W.M. Hilgenkamp, W. Jaszczuk, J. Flokstra, F. Roesthuis and H. Rogalla, ‘A seven-channel high-Tc SQUID based heart scanner’,
Measurement Science and Technology 8, 927 (1997).

(24) H. Hilgenkamp, J. Mannhart, B. Mayer, Ch. Gerber, J. Kirtley and K.A. Moler, ‘Influence of dx2‑y2 symmetry on device applications of high-Tc grain boundary junctions’,
IEEE Transactions on Applied Superconductivity 7, 3670 (1997).

(23) J. Mannhart, H. Hilgenkamp and Ch. Gerber,

‘Symmetry of the order parameter: Implications for the transport properties of grain boundaries’,
Physica C 282-287, 132-135 (1997). \

1996

(22) J. Mannhart, H. Hilgenkamp, B. Mayer, Ch. Gerber, J.R. Kirtley, K.A. Moler and M. Sigrist, ‘Generation of magnetic flux by single grain boundaries of YBa2Cu3O7-x’,
Physical Review Letters 77, 2782 (1996).

(21) B. Mayer, J. Mannhart and H. Hilgenkamp, ‘Electric field controllable Josephson junctions of high-quality in high-Tc superconductors’,
Applied Physics Letters
68, 3031 (1996).

(20) J. Mannhart, B. Mayer and H. Hilgenkamp,

‘Anomalous dependence of the critical current of 45° grain boundaries in YBa2Cu3O7-x on an applied magnetic field’,
Zeitschrift für Physik B 101, 175 (1996).

(19) H. Hilgenkamp, J. Mannhart and B. Mayer,

‘Implications of dx2-y2 symmetry and faceting for the transport properties of grain boundaries in high-Tc superconductors’,
Physical Review B 53, 14586, (1996).

 

(18) J. Mannhart, H. Hilgenkamp, B. Mayer, Ch. Gerber, J.R. Kirtley, K.A. Moler and M. Sigrist,’Basic aspects of high-Tc grain boundary devices’,
Journal de Physique 6, C3-329 (1996).

(17) J.R. Kirtley, C.C. Tsuei, K.A. Moler, J.Z. Sun, A. Gupta, Z.F. Ren, J.H. Wang, Z.Z. Li, H. Raffy, J. Mannhart, H. Hilgenkamp, B. Mayer and Ch. Gerber, ‘Scanning SQUID Microscopy Tests of the Symmetry of the High-Tc Gap’,
Czech Journal of Physics 46 S6, 3169 (1996).

(16) J. Hilgenkamp, J.D. Mannhart and B. Mayer,

‘Ultrahigh-Density data Storage with Long Time Stability’,

IBM Technical Disclosure Bulletin 39, 15 (1996).

1995

(15) M.I. Faley, U. Poppe, K. Urban, H. Hilgenkamp, H. Hemmes, W. Aarnink, J. Flokstra and H. Rogalla, ‘Noise properties of dc-SQUIDs with quasiplanar YBa2Cu3O7 Josephson junctions’,
Applied Physics Letters 67, 2087-2089 (1995).

(14) H.J.M. ter Brake, W.A.M. Aarnink, P.J. van den Bosch, J.W.M. Hilgenkamp, J. Flokstra and H. Rogalla, ‘Temperature dependence of the effective pick-up area of high-Tc dc SQUIDs: implications for stabilization of the SQUID operating temperature’,
Superconductor Science and Technology 10, 512 (1995).

(13) J.W.M. Hilgenkamp, G.C.S. Brons, S. Hoogeveen, J. Flokstra and H. Rogalla, ‘Monolithic flux transformer coupled high-Tc dc SQUID magnetometers’,
IEEE Transactions on Applied Superconductivity 5, 2338-2341 (1995).

(12) R.P.J. Ijsselsteijn, J.W.M. Hilgenkamp, D. Veldhuis, J. Flokstra and H. Rogalla, ‘High-Tc biepitaxial junctions and dc SQUIDs structured by focused ion beam etching’,
IEEE Transactions on Applied Superconductivity 5, 2513-2516 (1995).

(11) D.H.A. Blank, W. Booij, H. Hilgenkamp, B. Vulink, D. Veldhuis and H. Rogalla, ‘YBa2Cu3O7 nanobridge junctions and dc SQUIDs made by focused ion beam milling’,
IEEE Transactions on Applied Superconductivity 5, 2786-2789 (1995).

1994

(10) J.W.M. Hilgenkamp, G.C.S. Brons, J.G. Soldevilla, R.P.J. Ijsselsteijn, J. Flokstra and H. Rogalla,

‘Four layer monolithic integrated high-Tc dc SQUID magnetometer’,
Applied Physics Letters 64, 3497-3499 (1994).

(9) A.G. Sivakov, A.P. Zhuravel’, O.G. Turutanov, I.M. Dmitrenko, J.W.M. Hilgenkamp, G.C.S. Brons, J. Flokstra and H. Rogalla,

‘Laser scanning imaging and local characterization of superconducting properties in high-Tc thin film multiturn coil’,
Physica C 232, 93-98 (1994).

(8) C. Træholt, J.G. Wen, H.W. Zandbergen, Y. Shen and J.W.M. Hilgenkamp,

‘TEM investigation of YBa2Cu3O7 thin films on SrTiO3 bicrystals’,
Physica C 230, 425-434 (1994).

(7) J.W.M. Hilgenkamp, R.P.J. Ijselsteijn, G.C.S. Brons, I.H. Huisman, A.J.H.M. Rijnders, J. Flokstra and H. Rogalla,

‘High-Tc dc SQUIDs based on various types of Josephson junctions and planar coil fabrication’,
Advances in Cryogenic Engineering 40a, 369-375 (1994).

(6) R.P.J. Ijsselsteijn, J.W.M. Hilgenkamp, D. Terpstra, J. Flokstra and H. Rogalla,

‘Bi-epitaxial template grain boundary weak links on MgO: high-Tc Josephson junctions’,
Advances in Cryogenic Engineering 40a, 353-360 (1994).

(5) R.P.J. Ijsselsteijn, J.W.M. Hilgenkamp, D. Veldhuis, J. Flokstra and H. Rogalla, ‘High-Tc bi-epitaxial dc SQUIDs structured by focused ion beam etching from single junctions: L optimization’,
Physica C 235, 3353 (1994).

 

1993

(4) J.W.M. Hilgenkamp, R.P.J. Ijsselsteijn, A.J.H.M. Rijnders, P.A.C. Tavares, J. Flokstra and H. Rogalla, ‘Materials aspects of integrated high-Tc dc SQUID magnetometer fabrication’,
Journal of Alloys and Compounds 195, 707-710 (1993).

 

(3) R.P.J. Ijsselsteijn, J.W.M. Hilgenkamp, M.E. Eisenberg, C. Vittoz, J. Flokstra and H. Rogalla, ‘Biepitaxial template grain boundaries with different in-plane angles on (100) MgO substrates’,
Journal of Alloys and Compounds 195, 231-234 (1993)

 

(2) R.P.J. Ijsselsteijn, J.W.M. Hilgenkamp, M.E. Eisenberg, D. Terpstra, J. Flokstra and H. Rogalla, ‘Multilayer studies and applications in template bi-epitaxial dc SQUIDs’,
IEEE Transactions on Applied Superconductivity 3, 2321-2324 (1993).

1992

(1) J. Flokstra, R.P.J. Ijsselsteijn and J.W.M. Hilgenkamp,

‘Basic elements for photodeposited high-Tc thin film devices’,
Thin Solid Film 218, 304-309 (1992).