2012
Tunable resistivity of individual magnetic domain walls
J.H. Franken, M. Hoeijmakers, H.J.M. Swagten, B. Koopmans
Phys. Rev. Lett. 108 (2012)
Domain wall pinning by local control of anistropy in Pt/Co/Pt strips
J.H. Franken, M. Hoeijmakers, R. Lavrijsen, H.J.M. Swagten
J. Phys. Cond. Mat. 24 024216 (2012)
2011
Magnetic-Field Dependence of the Electroluminescence of Organic Light-Emitting Diodes: A Competition between Exciton Formation and Spin Mixing
S.P. Kersten, A.J. Schellekens, B. Koopmans, and P.A. Bobbert†
Phys. Rev. Lett. 106 197402 (2011)
Internal Electron Diffraction from Atomically Ordered Subsurface Nanostructures in Metals
O. Kurnosikov, H.J.M. Swagten, B. Koopmans
Phys. Rev. Lett. 106 196803 (2011)
Spin-Spin Interactions in Organic Magnetoresistance Probed by Angle-Dependent Measurements
W. Wagemans, A. J. Schellekens, M. Kemper, F. L. Bloom, P. A. Bobbert, and B. Koopmans
Phys. Rev. Lett. 106 196802 (2011)
Extraction of the spin torque non-adiabaticity from thermally activated domain wall hopping
J. Heinen, D. Hinzke, O. Boulle, G. Malinowski, H.J.M. Swagten, B. Koopmans, C. Ulysse,G. Faini, M. Klaui
Appl. Phys. Lett. 99 (2011)
Enhanced field-driven domain wall motion in Pt/Co/Pt and Pt/C068B32/Pt strips
R. Lavrijsen, M.A. Verheijen, B. Barcones, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans
Appl. Phys. Lett. 98 (2011)
Tunable magnetic domain wall oscillator at an anisotrophy boundary
J.H. Franken, R. Lavrijsen, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans
Appl. Phys. Lett. 98 (2011)
Local formation of a Heusler Structure in CoFe-Al alloys
S. Wurmehl, P.J. Jacobs, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, S. Maat, M.J. Carey, J.R. Childress
Appl. Phys. Lett. 98 012506-1 (2011)
Reduced DW pinning in ultrathin Pt-CoB-Pt with perpendicular magnetic anisotropy
R. Lavrijsen, G. Malinowski, J.H. Franken, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans
Appl. Phys. Lett. 98 (2011)
Microscopic modeling of magnetic field effects on change transport in organic semiconductors
A.J. Schellekens, W. Wagemans, S.P. Kersten, P.A. Bobbert, B. Koopmans
Phys. Rev. B 84 075204 (2011)
Spin motive forces due to magnetic vortices and domain walls
M.E. Lucassen, G.C.F.L. Kruis, R. Lavrijsen, H.J.M. Swagten, B. Koopmans, R.A. Duine
Phys. Rev. B 84 (2011)
Temperature-induced evolution of subsurface nanocavities in argon-implanted copper
O. Kurnosikov, D.V. Kulikov, V.S. Kharlamov, H.J.M. Swagten, Yu.V. Trushin
Phys. Rev. B 84 054109 (2011)
Relaxor ferroelectricity and the freezing of short-range polar and charge order in magnetite
F. Schrettle, S. Krohns, P. Lunkenheimer, V.A.M. Brabers, A. Loidl
Phys. Rev. B 83 (2011)
The many faces of organic magnetoresistance
W. Wagemans, P. Janssen, A.J. Schellekens, F.L. Bloom, P.A, Bobbert and B. Koopmans
SPIN 1 93 (2011)
Magnetism in Co80-xFexB20; effect of crystallization
R. Lavrijsen, P.V. Paluskar, C.J.T. Loermans, P.A. van Kruisbergen, J.T. Kohlhepp, H.J.M. Swagten and B. Koopmans
J. Appl. Phys. 109 (2011)
Precise control of domain wall injection and pinning using helium and gallium focused ion beams
J.H. Franken, M. Hoeijmakers, R. Lavrijsen, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, E. van Veldhoven, D.J. Maas
J. Appl. Phys. 109 07D504 (2011)
Nonlocal magnetization dynamics in the high fluence limit
K.C. Kuiper, G. Malinowski, F. Dalla Longa, B. Koopmans
J. Appl. Phys. 109 (2011)
Determination of the spin torque non-adiabaticity in perpendicularly magnetized nanowires
J. Heijnen, D. Hinzke, O. Boulle, G. Malinowski, H.J.M. Swagten, B. Koopmans, C. Ulysse, G. Faini, M. Klaui
J. Phys. Cond. Mat. 24 024220 (2012)
Spin transport and magnetoresistance in organic semiconductors
W. Wagemans and B. Koopmans
Phys. Stat. Sol. (b) 248 1029 (2011)
De wereld van de nano-elektronica 'Beyond Moore'
B. Koopmans
SMO 5 45 (2011)
On the role of minority carriers in the frequency dependence of organic magnetoresistance
P. Janssen, W. Wagemans, W. Verhoeven, E.H.M. van der Heijden, M. Kemerink, B. Koopmans
Synth. Met. 161 617 (2011)
Effect of hyperfine interactions on exciton formation in organic semiconductors
S.P. Kersten, P.A. Bobbert, B. Koopmans, A.J. Schellekens
Synth. Met. 161 613 (2011)
Spin in organic: a new route to spintronics
B. Koopmans, P.A. Bobbert, M. Wohlgenannt, F.L. Bloom, M. Kemerink, W.Wagemans
PhsEngSc 369 3602 (2011)
Plasmonic distributed feedback lasers at telecommunications wavelenghts
J.H. Marell Milan; B. Smalbrugge, E.J. Geluk, B. Barcones Campo, B. Koopmans
Optics 19 15109 (2011)
Fe:O:C: grown by focused-electron-beam-induced deposition; magnetic and electric properties
R. Lavrijsen, R. Cordoba, F.J. Schoenaker, T.H. Ellis, B. Barcones, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, J.M. De Teresa, C. Magen, M.R. Ibarra, P. Trompenaars, J.J.L. Mulders
Nanotech 22 025302 (2011)
2010
Explaining the paradoxical diversity of ultrafast laser-induced demagnetization
B. Koopmans, G. Malinowski, F. Dalla Longa, D. Steiauf, M. Faehnle, T. Roth, M. Cinchetti, and M. Aeschlimann
Nature Mat. 9 259 (2010)
Frequency dependence of organic magnetoresistance
W. Wagemans, P. Janssen, E.H.M. van der Heijden, M. Kemerink, B. Koopmans
Appl. Phys. Lett. 97 123301 (2010)
Controlled domain-wall injection in perpendicularly magnetized strips
R. Lavrijsen, J.H. Franken, J.T. Kohlhepp, H.J.M. Swagten en B. Koopmans
Appl. Phys. Lett. 96 222502 (2010)
Current-induced domain wall motion in Co/Pt nanowires: Separating spin torque and Oersted-field effects
J. Heinen, O. Boulle, K. Rousseau, G. Malinowski, M. Klaeui, H.J.M. Swagten, B. Koopmans, C. Ulysse, G. Faini
Appl. Phys. Lett. 96 (2010)
Reduced DW pinning in ultrathin Pt-CoB-Pt with perpendicular magnetic anisotropy
R. Lavrijsen, G. Malinowski, J.H. Franken, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans
Appl. Phys. Lett. 96 022501 (2010)
Resolving the genuine laser-induced ultrafast dynamics of exchange interaction in ferromagnet/antiferromagnet bilayers
F. Dalla Longa, J.T. Kohlhepp, W.J.M. de Jonge, and B. Koopmans
Phys. Rev. B 81 094435 (2010)
Spin relaxation and magnetoresistance in disordered organic semiconductors
P.A. Bobbert, T.D. Nguyen, W. Wagemans, F.W.A. van Oost, B. Koopmans, M. Wohlgenannt
Synth. Met. 160 223 (2010)
Separating photocurrent and injected current contributions to the organic magnetoresistance
W. Wagemans; W.J. Engelen, F.L. Bloom, B. Koopmans
Synth. Met. 160 266 (2010)
Point-defect interactions in electron-irradiated titanomagnetites - as analyzed by magnetic after-effect spectroscopy on annealing within 80 K < T < 1200 K
F. Walz, V.A.M. Brabers, H. Kronmueller
J. Phys. Cond. Mat. 22 046007 (2010)
Fe:O:C: grown by focused-electron-beam-induced deposition; magnetic and electric properties
R. Lavrijsen, R. Cordoba, F.J. Schoenaker, T.H. Ellis, B. Barcones, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, J.M. De Teresa, C. Magen, M.R. Ibarra, P. Trompenaars, J.J.L. Mulders
Nanotech 22 025302 (2010)
2009
Magnetoresistance in hybrid organic spin valves at the onset of multiple-step tunneling
J.J.H.M. Schoonus, P.G.E. Lumens, W. Wagemans, J.T. Kohlhepp, P.A.Bobbert, H.J.M. Swagten, B. Koopmans
Phys. Rev. Lett. 103 146601 (2009)
Sign Inversion of Magnetoresistance in Space-Charge Limited Organic Devices
F.L. Bloom, M. Kemerink, W. Wagemans, B. Koopmans
Phys. Rev. Lett.103 066601 (2009)
Theory for spin diffusion in disordered organic semiconductors
P.A. Bobbert, W. Wagemans, F.W.A. van Oost, B. Koopmans and M. Wohlgenannt
Phys.Rev. Lett. 102 156604 (2009)
Long-Range electron interferences at a metal surface induced by buried nanocavities
O. Kurnosikov, J.H. Nietsch, M.V. Sicot, H.J.M. Swagten, B. Koopmans
Phys. Rev. Lett. 102 066101 (2009)
Correlation between magnetism and spin-dependent electronic transport
P.V. Paluskar, R. Lavrijsen, M. Sicot, J.T. Kohlhepp, H.J.M. Swagten and B. Koopmans
Phys. Rev. Lett. 102 016602 (2009)
Generation of local magnetic fields at megaherz rates for the study of domain wall propagation in magnetic nanowires
B. Bergman, R. Moriya,, M. Hayashi, L. Thomas, C. Tyberg, Y. Lu, E. Joseph, M. Rothwell, J. Hummel, W.J. Gallagher, B. Koopmans, S.P. Parkin
Appl. Phys. Lett. 95 262503 (2009)
Effects of combined current injection and laser irradiation on Permalloy microwire switching
J. H. Franken, P. Möhrke, M. Kläui, J. Rhensius, L. J. Heyderman, J.-U. Thiele, H. J. M. Swagten, U. J. Gibson, and U. Rüdiger
Appl. Phys. Lett. 95 212502 (2009)
Highly ordered, half-metallic Co2FeSi single crystals<br/>C.G.F. Blum, C.A. Jenkins, J. Bart, C. Felser, S.Wurmehl, G. Friemel, C. Hess, G. Behr, B. Buchner, A. Reller, S. Riegg, S.G. Ebbinghaus, T. Ellis, P.J. Jacobs, J.T. Kohlhepp and H.J.M. Swagten
Appl. Phys. Lett. 9516903 (2009)
Magnetization dynamics and Gilbert damping in ultrathin C048Fe32B20 films with out-of-plane anisotrophy
G. Malinowski, K.C. Kuiper, R. Lavrijsen, H.J.M. Swagten, B. Koopmans
Appl. Phys. Lett. 94 102501 (2009)
Critical reexamination of resonant soft x-ray Bragg forbidden reflections in magnetite
S.B. Wikens, S. Di Matteo, T.A.W. Beale, Y. Joli, C. Mazolli, P.D. Hatton, P. Bencok, F. Yakton, V.A.M. Brabers
Phys. Rev. B 79 201102 (2009)
Spintransport in een lichtflits
Bert Koopmans, Grégory Malinowski, and Francesco Dalla Longa
NTvN9 324 (2009)
A hexapole magnetic guide for neutral atomic beams
J.P. Beardmore, A.J. Palmer, K.C. Kuiper, and R.T. Sang
Rev. Sc. Instr. 80 073105 (2009)
Reversible switching between bi-domain states by injection of current pulses in a magnetic wire with out-of-plane magnetization
O. Boulle, L. Heyne, J. Rhensius, M. Kläui, U. Rüdiger, L. Joly. L. de Guyader, F. Nolting, G. Malinowski, H.J.M. Swagten, B. Koopmans
J. Appl. Phys.105 07C106 (2009)
Full polarization analysis of resonant superlattice and forbidden x-ray reflection in magnetite
S.R. Bland, B. Detlef, S.B. Wilkens, T.A.W. Beale, C. Mazolli, Y. Joli, P.D. Hatton, J.E. Lorenzo, V.A.M. Brabers
J. Phys. Cond. Mat. 21 485601 (2009)
Unravelling the mechanism of large room-temperature in silicon
J.J.H.M. Schoonus, P.P.J. Haazen, H.J.M. Swagten and B. Koopmans
J. Phys. D: Appl. Phys. 42 185011 (2009)
Off-stoichiometry in Co2FeSi thin films sputtered from stoichiometry targets revealed by nuclear magnetic resonance
S. Wurmehl, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, C.G.F. Blum, V. Ksenofontov, H. Schneider, G. Jakob, D. Ebke, G. Reiss
J. Phys. D: Appl. Phys. 42 084017 (2009)
Computer simulation for vertical growth of sub-surface cobalt nano clusters in gold (111)
D.V. Kulikov, O. Kurnosikov, M. Sicot, Yu.V. Trushin
Tech. Phys. Lett. 35 57 (2009)
Infrared studies of magnetite under high pressure
J. Ebad-Allah, L. Baldassarre, M. Sing, R. Claessen, V.A.M. Brabers, C.A. Kuntscher
H.Pres.Res. 29 500 (2009)
2008
Controlling speed and efficiency of ultrafast demagnitization by direct transfer of spin angular momentum
G. Malinowski, F. Dalla Longa, J.H.H. Rietjens, P.V. Paluskar, R. Huijink, H.J.M. Swagen and B. Koopmans
Nat.Phys. 4 855 (2008)
Nonadiabatic spin transfer torque in high anisotrophy magnetic nanowires with narrow domain walls
O. Boulle, J. Kimling, P. Warnicke, M. Klaui, U. Rudiger, G. Malinowski, H.J.M. Swagten, B. Koopmans, C. Ulysse, G. Faini
Phys. Rev. Lett. 101 216601 (2008)
Extremely large magnetoresistance in boron-doped silicon
J.J.H.M. Schoonus, F.L. Bloom, W. Wagemans, H.J.M. Swagten and B. Koopmans
Phys. Rev. Lett. 100 127202 (2008)
Spin tunneling in junctions with disordered ferromagnets
P.V. Paluskar, J.J. Attema, G.A. de Wijs, S. Fiddy, E. Snoeck, J.T. Kohlhepp, H.J.M. Swagten, R.A. de Groot and B. Koopmans
Phys. Rev. Lett. 100 057205 (2008)
Correspondence of the sign change in organic magnetoresistance with the onset of bipolar charge transport
F.L. Bloom, W. Wagemans, M. Kemerink, B. Koopmans
Appl. Phys. Lett. 93 263302 (2008)
Hydrogen superstructures on Co nano islands and Cu (111)
M. Sicot, O. Kurnosikov, H.J.M. Swagten and B. Koopmans
Surf. Sci. 602 3667 (2008)
Atomic structure and electronic properties of Ni3Al(001) surface
O. Kurnosikov, L. Jurczyszyn, B. Pieczyrak, A. Krupski
Surf. Sci. 18 2994 (2008)
Probing quantum wells induced above a subsurface nanocavity in copper
O. Kurnosikov, O.A.O. Adam, H.J.M. Swagten, W.J.M. de Jonge and B. Koopmans
Phys. Rev. B 77 125429 (2008)
STM-induced desorption of Hydrogen from Co nanoislands
M. Sicot, O. Kurnosikov, O.A.O. Adam, H.J.M. Swagten and B. Koopmans
Phys. Rev. B 77 035417 (2008)
A Two-side Bipolaron Model for Organic Magnetoresistance
W. Wagemans, F.L. Bloom, P.A. Bobbert, M. Wohlgenannt and B. Koopmans
J. Appl. Phys. 103 07F303 (2008)
Temperature dependent sign change of the organic magnetoresistance effect
F.L. Bloom, W. Wagemans, and B. Koopmans
J. Appl. Phys. 103 07F320 (2008)
Laser-induced magnetization dynamics in Co/IrMn exchange coupled bilayers
F. Dalla Longa, J.T. Kohlhepp, W.J.M. de Jonge and B. Koopmans
J. Appl. Phys. 103 07B101 (2008)
Large magnetoresistance in Si:B-SiO2-Al structures
J.J.H.M. Schoonus, J.T. Kohlhepp, H.J.M. Swagten, and B. Koopmans
J. Appl. Phys. 103 07F309 (2008)
Effects of random distribution of Mn,Fe in Co2Mn1−xFexSi compounds probed by 55Mn NMR
S. Wurmehl, J. T. Kohlhepp, H. J. M. Swagten, B. Koopmans, M. Wójcik , B. Balke, C. G. F. Blum, V. Ksenofontov, G. H. Fecher, C. Felser
J. Appl. Phys. 103 07D706 (2008)
Optical control over g-factor and spin decoherence in (In,Ga)As/GaAs quantum dots
J.H.H. Rietjens, G.W.W. Quax, C.A.C. Bosco, R. Nötzel, A. Yu. Silov, and B. Koopmans
J. Appl. Phys. 103 07B116 (2008)
Temperature dependent sign change of the organic magnetoresistance effect
F. Bloom, W. Wagemans and B. Koopmans
J. Appl. Phys. 103 07F320 (2008)
All-optical control of the exciton g-factor in InAs/GaAs quantum dots
G.W.W. Quax, T.E.J. Campbell Ricketts, A.M. Yakunin, T. van Lippen, R. Nötzel, P.M. Koenraad, C.A.C. Bosco, J.H.H. Rietjens, B. Koopmans, and A. Yu. Silov
Phyica. E 40 1832 (2008)
Fe-57 NMR study of manganese ferrites
V. Chlan, V. Prochazka, H. Stepankova, B. Sedlak, P. Novak, Z. Simsa, V.A.M. Brabers
J. Magn. Magn. Mater. 320 E96 (2008)
Impact of irradiation -induced point defects on electronically and ionically induced magnetic relaxation mechanicsms in titano-magneties
F. Walz, V.A.M. Brabers, H. Kronmueller
Phys. Stat. Sol. (a) 256 2934 (2008)
Hyperfine field distribution in the Heusler compound Co2FeAl probed by 59Co Nuclear Magnetic Resonance
S. Wurmehl, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans
J. Phys. D: Appl. Phys. 41 115007 (2008)
Spin pumping in Co56Fe24B20 multilayer systems
H. Lee, L. Wen, M. Pathak, P. Janssen, P. LeClair, C. Alexander, C.K.A. Mewes and T. Mewes
J. Phys. D: Appl. Phys. 41 215001 (2008)
Nuclear magnetic resonance studies of materials for magnetic applications (invited topcial review)
S. Wurmehl, J.T. Kohlhepp
J. Phys. D: Appl. Phys. 41 (2008)
2007
Spin dynamics: The ultimate view
B. Koopmans
Nature Mat. 6 715 (2007)
Separating positive and negative magnetoresistance in organicmagnetoresistive devices
F. L. Bloom, W. Wagemans, M. Kemerink, and B. Koopmans
Phys. Rev. Lett. 99 257201-1 (2007)
Bipolaron Mechanism for Organic Magnetoresistance
P. A. Bobbert, T. D. Nguyen, B. Koopmans, and M. Wohlgenannt
Phys. Rev. Lett. 99 216801-1 (2007)
Separating positive and negative magnetoresistance in organic magnetoresistance devices
F.L. Bloom, W. Wagemans, M. Kemerink and B. Koopmans
Phys. Rev. Lett. 99 257201-1 (2007)
Impact of interface crystallization on inelastic tunneling in Al/AlOx/CoFeB
P.V. Paluskar, F. Bloom, E. Snoeck, J.T. Kohlhepp, H.J.M. Swagten, and B. Koopmans
Appl. Phys. Lett. 91 222501-1 (2007)
Probing the random distribution of half-metallic Co2Mn1−xFexSi Heusler alloys
S. Wurmehl, J. T. Kohlhepp, H. J. M. Swagten, B. Koopmans, M. Wójcik , B. Balke, C. G. F. Blum, V. Ksenofontov, G. H. Fecher, C. Felser
Appl. Phys. Lett. 91 052506 (2007)
Influence of photon angular momentum on ultrafast demagnetization in Nickel
F. Dalla Longa, J.T. Kohlhepp, W.J.M de Jonge and B. Koopmans
Phys. Rev. B 75 224431-1 (2007)
Observation of periodic oscillations in magnetization-induced second harmonic generation at the Mn/Co interface
V.K. Valev, A. Kirilyuk, F. Dalla Longa, J.T. Kohlhepp, B. Koopmans and Th. Rasing
Phys. Rev. B 75 012401-1 (2007)
Thermodynamic stability and atomic and electronic structure of reduced Fe3O4 (111) single-crystal surfaces
M.Paul, M. Sing, R. Claessen, D. Schrupp, V.A.M. Brabers
Phys. Rev. B 76 (2007)
Thermodynamic stability and atomic and electronic structure of reduced Fe3O4 (111) single-crystal surfaces
M. Paul, M. Sing,E. Claessen, D. Schrupp, and V.A.M. Brabers
Phys. Rev. B 76 075412 (2007)
Exchange interaction studies using epitaxially stabilized expanded fct-Mn(001)
J.T. Kohlhepp
J. Appl. Phys. 40 1300 (2007)
Vacancy-interstitial annihilation in titanomagnetite by thermal annealing
F. Walz, V.A.M. Brabers, J.H.V.J. Brabers, et al.
Phys. Stat. Sol. (a) 204 3514 (2007)
Tunneling spin polarization and annealing of Co72Fe20B8
H.J.M. Swagten, P.V. Paluskar, R. Lavrijsen, J.T. Kohlhepp, and B. Koopmans
J. Magn. Magn. Mater. 310 2012 (2007)
Nuclear magnetic resonance of Fe-57 in Al-. Ga-, and Ti-substituted magnetite above the Verwey temperature
V. Chan, E. Gamaliy, H. Stepankova, K. Kouni, J. Englich, J. Kohout, and V.A.M. Brabers
J. Magn. Magn. Mater. 310 2555 (2007)
Enhanced electrical spin injection and detection in biased lateral ferromagnet semiconductor structures
J.J.H.M. Schoonus, A.T. Filip, H.J.M. Swagten, B. Koopmans
J. Phys. Cond. Mat. 19 276201 (2007)
Influence of interface structure on the tunnelling spin polarization of CoFeB alloys
P.V. Paluskar, J.T. Kohlhepp, H.J.M Swagten, B. Koopmans, R. Wolters, H. Boeve, E. Snoeck
J. Phys. D: Appl. Phys. 40 1234 (2007)
Onset of magnetic interface exchange interactions in epitaxially grown Mn/Co(001)
J.T. Kohlhepp, H. Wieldraaijer, and W.J.M. de Jonge
J. Mater. Res. 22 569 (2007)
2006
Stabilization of metastable expanded face-centered-tetragonal manganese
J.T. Kohlhepp and W.J.M. de Jonge
Phys. Rev. Lett. 96 237201-1 (2006)
Confined Brownian motion of individual magnetic nanoparticles on a chip - Characterization of magnetic susceptibility
K. van Ommering, J.H. Nieuwenhuis, L.J. van ijzendoorn, B. Koopmans, and M.W.J. Prins
Appl. Phys. Lett. 89 142511-1 (2006)
Exchange anisotropy as a probe of antiferromagnetism in expanded face-centered-tetragonal Mn (001) layers
J.T. Kohlhepp, H. Wieldraaijer and W.J.M. de Jonge
Appl. Phys. Lett. 89 032507-1 (2006)
Real-time Monitoring of Plasma Oxidation Dynamics of sub-nanometer Al2O3 Barriers for Magnetic Tunnel Junctions
C.G.C.H.M. Fabrie, K. Knechten, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
Appl. Phys. Lett. 88 31909-1 (2006)
Identifying growth mechanisms for laser induced magnetization in FeRh
B. Bergman, G. Ju, J. Hohlfeld, R.J.M. van de Veerdonk, J.-Y. Kim, X. Wu, D. Weller, and B. Koopmans
Phys. Rev. B 73 60407-1 (2006)
Superstructures on thin Al2O3 grown on Ni3Al(001)
O. Kurnosikov, C.F.J. Flipse, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
Surf. Sci. 600 4375 (2006)
Morphology and electronic properties of the pentacene-cobalt interface
M.V. Tiba, H.T. Jonkman, B. Koopmans, and W.J.M. de Jonge
J. Appl. Phys. 100 093707-1 (2006)
Conversion from Al to Al2O3 of subnanometer barriers for magnetic tunnel junctions monitored in real time
C.G.C.H.M. Fabrie, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
J. Appl. Phys. 99 8T303-1 (2006)
Co72Fe20B8: structure, magnetism and tunneling spin polarization
P.V. Paluskar, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans
J. Appl. Phys. 99 08E503 (2006)
Laser-induced ultrafast spin dynamics in epitaxial Co/Mn exchange-coupled bilayers
F. Dalla Longa, J.T. Kohlhepp, W.J.M. de Jonge, B. Koopmans
J. Appl. Phys. 99 8F304-1 (2006)
Onset of exchange anisotropy in epitaxial fct-Cobalt(001)/fct-Manganese(001) bilayers
J.T. Kohlhepp, H. Wieldraaijer, and W.J.M. de Jonge
Mat. Res. Soc. Symp. Proc. 941 0941-Q04-06 (2006)
Modelling the fs demagnetization: Laser-induced reversal in an applied magnetic field
F. Dalla Longa, D. Boesten, H.J.J.M. Kicken, W.J.M. de Jonge and B. Koopmans
MRS Proc. 941 E Q02-02 (2006)
Magnitization study of interlayer exchange in semiconductor PbS ferromagnetic wedge multilayers
L. Kowalczyk, V. Ossinniy, M. Chernyshova, P. Dziawa, A. Boratynski, T. Story, C.J.P. Smits, H.J.M. Swagten, A. Yu. Sipatov, V.V. Volobuev
J. All. Com. 423 212 (2006)
Magnetization losses in submicrometer CoFeB dots etched in a high ion density Cl2-based plasma
C.G.C.H.M. Fabrie, J.T Kohlhepp, H.J.M. Swagten, B. Koopmans, M. S. P. Andriesse, and E. van der Drift
J. Vac Sci. Technol.B 24 2627 (2006)
Towards All Electrical Spin Injection and Detection in GaAs
J. J. H. M. Schoonus, O. Kurnosikov, H. J. M. Swagten, B. Koopmans, E. J. Geluk, F. Karouta, W. Van Roy, and G. Borghs
Phys. Stat. Sol. (c) 3 4176 (2006)
Polarization Anomaly in Near-Field Magneto-Optical Microscopy
G. Zoriniants, O. Kurnosikov, W.J.M. de Jonge, and B. Koopmans
Jap. J. Appl. Phys. 45 2111 (2006)
Surface Superstructures of Ordered Layers of A12O3 on Ni3A(001)
O. Kurnosikov, C.F.J. Flipse, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
Jap. J. Appl. Phys. 45 2215 (2006)
Single-Atom Manipulation of Co Embedded in Cu(001) Surfaces
O.A.O. Adam, O. Kurnosikov, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
Jap. J. Appl. Phys. 45 2014 (2006)
Bias-dependent spin relaxation in a Spin-LED
C.A.C. Bosco, D. Snouck, P. Van Dorpe, W. Van Roy, and B. Koopmans
Mat. Sci. Eng. B 126 107 (2006)
Tunnel contacts for all electrical spin injection and detection in GaAs
J.J.H.M. Schoonus, H.J.M. Swagten, B. Koopmans, F. Karouta, W. van Roy, G. Borghs
Phys. Stat. Sol. (c) 3 4176 (2006)
Magnetic properties of (Eu, Gd)Te semiconductor layers
P. Dziawa, V. Osinniy, W. Dobrowolski, K. Dybko, E. Lusakowska, B. Taliashylli, T. Story, C.J.P. Smits, H.J.M. Swagten
Mater. Sci. Pol. 24 (2006)
2005
Unifying ultrafast magnetization dynamics
B. Koopmans, J.J.M. Ruigrok, F. Dalla Longa, and W.J.M. de Jonge
Phys. Rev. Lett. 95 267207-1 (2005)
High-energy photoemission on Fe3O4: Small polaron physics and the Verwey transition
D. Schrupp, M. Sing, M. Tsunekawa, H. Fujiwara, S. Kasai, A. Sekiyama, S. Suga, T. Muro, V.A.M. Brabers, and R. Claessen
Europhys. Lett. 70 789 (2005)
Magnetic read-only memory with removable medium
W.P.E.M. Op 't Root, H.J.M. Swagten, F.J. Jedema, and A.E.T. Kuiper
Appl. Phys. Lett. 87 203501 (2005)
Effect of stray field on local spin modes in exchange-biased magnetic tunnel junction elements
J.H.H. Rietjens, C. Józsa, H. Boeve, W.J.M. de Jonge, and B. Koopmans
Appl. Phys. Lett. 87 172508 (2005)
Change of the barrier potential shape in magnetic tunnel junctions due to an anneal treatment
P.H.P. Koller, H.J.M. Swagten, W.J.M. de Jonge, and R. Coehoorn
Appl. Phys. Lett. 86 102508 (2005)
Electrical-field gradients in thin face-centered-tetragonal Co films observed by nuclear magnetic resonance
H. Wieldraaijer, W.J.M. de Jonge, and J.T. Kohlhepp
Phys. Rev. B 72 155409 (2005)
Oxygen K-edge shift at the verwey transition of magnetite
E. Goering, S. Gold, M. Lafkiotti, G. Schuetz, and V.A.M. Brabers
Phys. Rev. B 72 33112 (2005)
Terahertz conductivity at the Verwey transition in magnetite
A. Pimenov, S. Tachos, T. Rudolf, A. Loidl, D. Schrupp, M. Sing, and R. Claessen, and V.A.M. Brabers
Phys. Rev. B 72 35131 (2005)
Mn diffusion and the thermal stability of tunneling spin polarization
P.V. Paluskar, C.H. Kant, J.T. Kohlhepp, A.T. Filip, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
J. Appl. Phys. 97 10C925 (2005)
Barrier thickness dependence of the magnetoresistance in TaOx magnetic tunnel junctions
P.H.P. Koller, R. Coehoorn, and W.J.M. de Jonge
J. Appl. Phys. 97 83913-1 (2005)
Timescale settling and nature of electron transport in magnetite - General considerations in view of new magnetic after-effect results on dilutely Ti4+ -doped Fe3O4
F. Walz, V.A.M. Brabers, J.H.V.J. Brabers, and H. Kronmueller
J. Phys. Cond. Mat. 17 6763 (2005)
Sub-picosecond electron and phonon dynamics in Nickel
M. van Kampen, J.T. Kohlhepp, W.J.M. de Jonge, B. Koopmans, and R. Coehoorn
J. Phys. Cond. Mat. 17 6823 (2005)
Towards All Electrical Spin Injection and Detection in GaAs in a Lateral Geometry
A.T. Filip, J.J.H.M. Schoonus, H.J.M. Swagten, B. Koopmans, W.J.M. de Jonge, F. Karouta, E.J. van Geluk, W. van Roy, and J. de Boeck
J. Supercond. 18 379 (2005)
NMR of 57Fe, 69Ga and 71Ga in Ga subsituted magnetite
J. Kohout, E. Gamaliya, H. Stepankova, J. Englich, V. Prochazka, V. Chlan, and V.A.M. Brabers
J. Magn. Magn. Mater. 290 1018 (2005)
Probing local spin modes in exchange-biased MTJ elements
J.H.H. Rietjens, C. Józsa, H. Boeve, W.J.M. de Jonge, and B. Koopmans
J. Magn. Magn. Mater. 290 494 (2005)
59Co NMR observation of monolayer resolved hyperfine fields in ultrathin epitaxial fct-Co(001) films
H. Wieldraaijer, W.J.M. de Jonge, and J.T. Kohlhepp
J. Magn. Magn. Mater. 286 390 (2005)
Thermal stability of tunneling spin polarization
C.H. Kant, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge, P.V. Paluskar
J. Magn. Magn. Mater. 286 154 (2005)
Oscillatory biquadratic antiferromagnet/ferromagnet interface exchange coupling
J.T. Kohlhepp, O. Kurnosikov, and W.J.M. de Jonge
J. Magn. Magn. Mater. 286 220 (2005)
Microscopic model for femtosecond magnetization dynamics
B. Koopmans, H.H.J.E. Kicken, M. van Kampen, and W.J.M. de Jonge
J. Magn. Magn. Mater. 286 271 (2005)
On the realisation of artificial XY spin-chains
M. van Kampen, I. Soroka, R. Brucas, B. Hjorvarsson, R. Wieser, K.D. Usadel, M. Hansson, O. Kazakova, H. Zabel, J. Grabis, C. Józsa, and B. Koopmans
J. Phys. Cond. Mat. 17 27 (2005)
2004
Ultrafast generation of ferromagnetic order via laser-induced phase transformation in FeRh thin films
G. Ju, J. Hohlfeld, B. Bergman, R.J.M. van de Veerdonk, O.N. Mryasov, J.-Y. Kim, X. Wu, D. Weller, and B. Koopmans
Phys. Rev. Lett. 93 197403-1 (2004)
Monolayer resolved oscillating hyperfine fields in epitaxial fct-Co(001) films
H. Wieldraaijer, W.J.M. de Jonge, and J.T. Kohlhepp
Phys. Rev. Lett. 93 177205 (2004)
Comment on “Direct measurement of the spin polarization of the magnetic semiconductor (Ga,Mn)As”
C.H. Kant, A.T. Filip, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. Lett. 93 169703 (2004)
Direct observation of the barrier asymmetry in magnetic tunnel junctions
P.H.P. Koller, H.J.M. Swagten, W.J.M. de Jonge, H. Boeve, and R. Coehoorn
Appl. Phys. Lett. 84 4929 (2004)
Intrinsic thermal robustness of tunneling spin polarization in Al/AlO3/Co junctions
C.H. Kant, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Appl. Phys. Lett. 84 1141 (2004)
Excitonic enhancement of spin relaxation in diluted magnetic semiconductor quantum wells
C.J.P. Smits, S.C.A. van Driel, M. van Kampen, W.J.M. de Jonge, B. Koopmans, and G. Karczewski
Phys. Rev. B 70 115307 (2004)
Antiferromagnetic interlayer exchange coupling in all-semiconducting EuS/PbS/EuS trilayers
C.J.P. Smits, A.T. Filip, H.J.M. Swagten, B. Koopmans, W.J.M. de Jonge, M. Chernyshova, L. Kowalczyk, K. Grasza, A. Szczerbakow, T. Story, W. Palosz, and A. Yu. Sipatov
Phys. Rev. B 69 224410 (2004)
STM-tip induced displacement of Co atoms embedded in a Cu(001) surface
O. Kurnosikov, J.T. Kohlhepp, and W.J.M. de Jonge
Surf. Sci. 566 175 (2004)
Role of the barrier in spin-dependent tunneling addressed with superconductor spectroscopy
C.H. Kant, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
Phys. Rev. B 69 172408 (2004)
Retrieving pulse profiles from pump-probe measurements on magnetization dynamics
C. Józsa, J.H.H. Rietjens, M. van Kampen, E. Smalbrugge, M.K. Smit, W.J.M. de Jonge, and B. Koopmans
J. Appl. Phys. 95 7447 (2004)
Modelling the interlayer exchange coupling in EuS/PbS/EuS trilayers
C.J.P. Smits, A.T. Filip, H.J.M. Swagten, W.J.M. de Jonge, M. Chernyshova, L. Kowalczyk, K. Grasza, A. Sczerbakow, T. Story, and A. Yu. Sipatov
J. Appl. Phys. 95 7169 (2004)
Magnetic and structural properties of EuS for magnetic tunnel junction barriers
C.J.P. Smits, A.T. Filip, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
J. Appl. Phys. 95 7405 (2004)
Influence of the FM/AFM interface morphology on the exchange coupling in epitaxial Co(001)/fct-Mn(001)
J.T. Kohlhepp, and W.J.M. de Jonge
J. Appl. Phys. 95 6840 (2004)
TALIF on ozone in a DC plasma for oxidation of aluminum
K. Knechten, B.J. Kniknie, R. Engeln, H.J.M. Swagten, B. Koopmans, M.C.M. van de Sanden, and W.J.M. de Jonge
Vac. Sc. Tech. A 22 11 (2004)
Alternative plasma-oxidised barriers for spin-flip polarized tunneling
C.H. Kant, J.T. Kohlhepp, C.A.M. Knechten, H.J.M. Swagten, and W.J.M. de Jonge
IEEE Trans. Magn. 40 2308 (2004)
Separation Problems in Optical Spectroscopies
B. Koopmans
Phys. Scrip. 109 80 (2004)
Temperature dependence of anti-ferromagnetic interlayer exchange coupling in EuS-PbS multilayers
M. Chemyshova, L. Kowalczyk, M. Baran, A. Szcerbakow, T. Story, C.J.P. Smits, A.T. Filip, H.J.M. Swagten, W.J.M. de Jonge, and A.Y. Sipatov
Acta Phys. Polon. A 105 599 (2004)
Spin-injection nanodevices
B. Koopmans, M.V. Tiba, and C.J.P. Smits
NEVAC 42 48 (2004)
Surface electronic structure and Verwey-transition of magnetite studied by photoemission spectroscopy
D. Schrupp, M. Sing, M. Tsunekawa, H. Fujiwara, S. Kasai, A. Sekiyama, S. Suga, T. Muro, V.A.M. Brabers, and R. Claessen
Ann. Phys. 13 78 (2004)
2003
Can surface embedded atoms be moved with an STM tip?
O. Kurnosikov, J.T. Kohlhepp, and W.J.M. de Jonge
Europhys. Lett. 64 77 (2003)
Growth of epitaxial bcc Co(001) electrocodes for magnetoresistive devices
H. Wieldraaijer, J.T. Kohlhepp, P.R. LeClair, K. Ha, and W.J.M. de Jonge
Phys. Rev. B 67 224430 (2003)
Diamond deposition on modified silicon substrates: Making diamond atomic force microscopy tips for nanofriction experiments
G. Tanasa, O. Kurnosikov, C.F.J. Flipse, J.G. Buijnsters, and W.J.P. van Enckevort
J. Appl. Phys. 94 1699 (2003)
The oxidation process of AlOx-based magnetic tunnel junctions studied by photoconductance
P.H.P. Koller, F.W.M. Vanhelmont, H. Boeve, R. Coehoorn, and W.J.M. de Jonge
J. Appl. Phys. 93 8549 (2003)
Interface spin-flip scattering model for point contact Andreev reflection
C.H. Kant, O. Kurnosikov, A.T. Filip, H.J.M. Swagten, and W.J.M. de Jonge
J. Appl. Phys. 93 7528 (2003)
Growth of Organic Molecules on Ferromagnetic Metallic Substrates - A combined STM/AFM study
M.V. Tiba, O. Kurnosikov, C.F.J. Flipse, H.J.M. Swagten, J.T. Kohlhepp, R.A.J. Janssen, P.M. Koenraad, W.J.M. de Jonge, and B. Koopmans
AIP conf. proc. 696 521 (2003)
Development of a Near-Field Magneto-Optical Microscopy for Studying Ultrafast Magnetization Dynamics
G. Zoriniants, D. Englund, O. Kurnosikov, C.F.J. Flipse, E. Rido, H. Brune, W.J.M. de Jonge, and B. Koopmans
AIP conf. proc. 696 204 (2003)
Stress-induced relaxation mechanisms in single-crystalline titanomagnetites
F. Walz, V.A.M. Brabers, J.H.V.J. Brabers, and H. Kronmueller
J. Phys. Cond. Mat. 15 7029 (2003)
Magnetization of EuS-PbS Multilayers with Antiferromagnetic Interlayer Coupling
M. Chernyshova, L. Kowalczyk, A. Szczerbakow, T. Story, C.J.P. Smits, H.J.M. Swagten, C.H.W. Swuste, J.K. Ha, W.J.M. de Jonge, A.Y. Sipatov, and V.V. Volobuev
J. Supercond. 16 213 (2003)
Experimental access to femtosecond spin dynamics
B. Koopmans, M. van Kampen, and W.J.M. de Jonge
J. Phys. Cond. Mat. 15 723 (2003)
2002
All-Optical probe of coherent spin waves
M. van Kampen, C. Jozsa, J. T. Kohlhepp, P. LeClair, L. Lagae, W. J. M. de Jonge, and B. Koopmans
Phys. Rev. Lett. 88 227201 (2002)
Band structure and density of states effects in Co-based magnetic tunnel junctions
P.R. LeClair, J.T. Kohlhepp, C.H. van de Vin, H. Wieldraaijer, H.J.M. Swagten, W.J.M. de Jonge, H. Davis, J.M. MacLaren, J.S. Moodera, and R. Jansen
Phys. Rev. Lett. 88 107201 (2002)
Highly crystallized as-grown smooth and superconducting MgB2 films by molecular-beam epitaxy
A.J.M. van Erven, T.H. Kim, M. Muenzenberg, and J.S. Moodera
Appl. Phys. Lett. 81 4982 (2002)
Spin injection device based on EuS magnetic tunnel barriers
A.T. Filip, P.R. LeClair, C.J.P. Smits, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
Appl. Phys. Lett. 81 1815 (2002)
Direct observation of local hot electron transport through an Al2O3 tunnel junctions
O. Kurnosikov, J.E.A. de Jong, H.J.M. Swagten, and W.J.M. de Jonge
Appl. Phys. Lett. 80 1076 (2002)
Large magnetoresistance using hybrid spin filter devices
P.R. LeClair, J.K. Ha, H.J.M. Swagten, C.H. van de Vin, J.T. Kohlhepp, and W.J.M. de Jonge
Appl. Phys. Lett. 80 625 (2002)
Origin of spin polarization decay in point contact Andreev reflection
C.H. Kant, O. Kurnosikov, A.T. Filip, P.R. LeClair, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. B 66 212403 (2002)
Magnetic interlayer exchange coupling in epitaxial Fe/Si/Fe(100) studied by polarized neutron reflectiometry
R.W.E. van de Kruijs, M.Th. Rekveldt, H. Fredrikze, J.T. Kohlhepp, J.K. Ha, and W.J.M. de Jonge
Phys. Rev. B 65 64440 (2002)
Ordering of organic molecules on passivated reactive substrates: PTCDA on O p(2x2) - Ni(111)
M.V. Tiba, O. Kurnosikov, C.F.J. Flipse, B. Koopmans, H.J.M. Swagten, and W.J.M. de Jonge
Surf. Sci. 498 161 (2002)
Magnetic and structural properties of EuS-PbS multilayers grown on n-PbS (100) substrates
M. Chernyshova, E. Lusakowska, V. Domukhovski, K. Grasza, A. Szcerbakow, S. Wrotek, L. Kowalczyk, T. Story, W. Palosz, A. Yu. Sipatov, V.V. Volobuev, C.J.P. Smits, H.J.M. Swagten, and W.J.M. de Jonge
Acta Phys. Polon. A 102 609 (2002)
Influence of electrode structure on magnetotransport in magnetic tunnel junctions
H. Wieldraaijer, P.R. LeClair, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
IEEE Trans. Magn. 38 2727 (2002)
Epitaxal growth and magnetic anisotropy of electrodeposited Ni and Co thin films grown on n-type GaAs
P. Evans, C. Scheck, W.J.M. de Jonge, J.T. Kohlhepp, T. Isaac-Smith, H. Wieldraaijer, J. Williams, R. Schad, and G. Zangari
IEEE Trans. Magn. 38 2670 (2002)
Photoconductance in magnetic tunnel junctions
P.H.P. Koller, F.W.M. Vanhelmont, R. Coehoorn, and W.J.M. de Jonge
IEEE Trans. Magn. 38 2712 (2002)
Simulation of polarization effects in diffraction problems of optical recording
J.M. Brok and H.P. Urbach
J. of Modern Optics 49 1811 (2002)
Mesoscopic magnetism and the phenomenon of exchange anisotropy: MBE grown Cu(110)/Ni80Fe50Mn50 bilayers with corrugated interfaces
R. Coehoorn, J.T. Kohlhepp, R.M. Jungblut, A. Reinders, and M.J. Dekker
Physica B 319 141 (2002)
NMR of 57Fe above the Verwey transition in Al-substituted magnetite
E. Gamaliy, H. Stepankova, J. Englich, J. Kohout, A. Snezhko, P. Novák, and V.A.M. Brabers
J. Magn. Magn. Mater. 242 732 (2002)
<a target="_blank" href="http://dx.doi.org/10.1002/1521-396X(200202)189:2<261::AID-PSSA261>3.0.CO;2-W">Interfacial sensitivity and zero-bias anomalies in magnetic tunnel junctions
J.T. Kohlhepp, P.R. LeClair, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Stat. Sol. (a) 189 261 (2002)
<a target="_blank" href="http://dx.doi.org/10.1002/1521-396X(200202)189:3<701::AID-PSSA701>3.0.CO;2-Z">Crystalline and interfacial structure of ultrathin Co layers grown on Pd(111): a 59Co NMR study
J.T. Kohlhepp, G.J. Strijkers, H. Wieldraaijer, and W.J.M. de Jonge
Phys. Stat. Sol. (a) 189 701 (2002)
Laser-induced precession in canted-spin ferromagnets
M. van Kampen, B. Koopmans, J.T. Kohlhepp, and W.J.M. de Jonge
J. Magn. Magn. Mater. 240 291 (2002)
The Verwey transition in magnetite as studied by means of definite impurity doping
F. Walz, J.H.V.J. Brabers, and V.A.M. Brabers
Z. Metallkd. 10 1095 (2002)
2001
Interfacial density of states in magnetic tunnel junctions
P.R. LeClair, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. Lett. 86 1066 (2001)
Antiferromagnetic interlayer coupling in ferromagnetic semiconductor EuS/PbS(001) superlattices
H. Kepa, J. Kutner-Pielaszek, J. Blinowski, A. Tardowski, C.F. Majkrzak, T. Story, P. Kacman, R.R. Galazka, K. Ha, H.J.M. Swagten, W.J.M. de Jonge, A. Yu. Sipatov, V. Volobuev, and T.M. Giebultowicz
Europhys. Lett. 56 54 (2001)
STM-induced reversible switching of local current transport in thin Al2O3 films
O. Kurnosikov, F.C. de Nooij, P.R. LeClair, J.T. Kohlhepp, B. Koopmans, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. B 64 153407 (2001)
Sign reversal of spin polarization in Co/Ru/Al2O3/Co magnetic tunnel junctions
P.R. LeClair, B. Hoex, H. Wieldraaijer, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. B 64 100406 (2001)
Ultrafast processes in Ag and Au: A Monte Carlo study
P.J. van Hall
Phys. Rev. B 63 104301 (2001)
Single-ion anisotropy of localized-electron compounds
D. Alders, R. Coehoorn, and W.J.M. de Jonge
Phys. Rev. B 63 54407 (2001)
In situ time-resolved optical studies of Al oxidation for magnetic tunnel junctions
K. Knechten, P.R. LeClair, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
J. Appl. Phys. 90 1675 (2001)
Asymmetric bias voltage dependence of the magnetoresistance of Co/Al2O3/Co magnetic tunnel junctions: variation with the barrier oxidation time
W. Oepts, M.F. Gillies, R. Coehoorn, R. van de Veerdonk, and W.J.M. de Jonge
J. Appl. Phys. 89 8038 (2001)
Inherent temperature effects in magnetic tunnel junctions
A.H. Davis, J.M. MacLaren, and P.R. LeClair
J. Appl. Phys. 89 7567 (2001)
Enhanced atomic-scale contrast on Fe3O4 (100) observed with an Fe STM tip
R. Koltun, M. Hermann, G. Guenterodt, and V.A.M. Brabers
Appl. Phys. A 73 49 (2001)
Noise properties of the spin-valve transistor
O.M.J. van 't Erve, P.S. Anil Kumar, R. Jansen, S.D. Kim, R. Vlutters, J.C. Lodder, A.A. Smits, and W.J.M. de Jonge
Sens. Act. A 91 192 (2001)
Femtosecond magneto-optics: Spin dynamics in ferromagnetic layered systems
B. Koopmans, M. van Kampen, J.T. Kohlhepp, and W.J.M. de Jonge
Mat. Sci. Forum 373 69 (2001)
2001
Interfacial density of states in magnetic tunnel junctions
P.R. LeClair, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. Lett. 86 1066 (2001)
Antiferromagnetic interlayer coupling in ferromagnetic semiconductor EuS/PbS(001) superlattices
H. Kepa, J. Kutner-Pielaszek, J. Blinowski, A. Tardowski, C.F. Majkrzak, T. Story, P. Kacman, R.R. Galazka, K. Ha, H.J.M. Swagten, W.J.M. de Jonge, A. Yu. Sipatov, V. Volobuev, and T.M. Giebultowicz
Europhys. Lett. 56 54 (2001)
STM-induced reversible switching of local current transport in thin Al2O3 films
O. Kurnosikov, F.C. de Nooij, P.R. LeClair, J.T. Kohlhepp, B. Koopmans, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. B 64 153407 (2001)
Sign reversal of spin polarization in Co/Ru/Al2O3/Co magnetic tunnel junctions
P.R. LeClair, B. Hoex, H. Wieldraaijer, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. B 64 100406 (2001)
Ultrafast processes in Ag and Au: A Monte Carlo study
P.J. van Hall
Phys. Rev. B 63 104301 (2001)
Single-ion anisotropy of localized-electron compounds
D. Alders, R. Coehoorn, and W.J.M. de Jonge
Phys. Rev. B 63 54407 (2001)
In situ time-resolved optical studies of Al oxidation for magnetic tunnel junctions
K. Knechten, P.R. LeClair, J.T. Kohlhepp, H.J.M. Swagten, B. Koopmans, and W.J.M. de Jonge
J. Appl. Phys. 90 1675 (2001)
Asymmetric bias voltage dependence of the magnetoresistance of Co/Al2O3/Co magnetic tunnel junctions: variation with the barrier oxidation time
W. Oepts, M.F. Gillies, R. Coehoorn, R. van de Veerdonk, and W.J.M. de Jonge
J. Appl. Phys. 89 8038 (2001)
Inherent temperature effects in magnetic tunnel junctions
A.H. Davis, J.M. MacLaren, and P.R. LeClair
J. Appl. Phys. 89 7567 (2001)
Enhanced atomic-scale contrast on Fe3O4 (100) observed with an Fe STM tip
R. Koltun, M. Hermann, G. Guenterodt, and V.A.M. Brabers
Appl. Phys. A 73 49 (2001)
Noise properties of the spin-valve transistor
O.M.J. van 't Erve, P.S. Anil Kumar, R. Jansen, S.D. Kim, R. Vlutters, J.C. Lodder, A.A. Smits, and W.J.M. de Jonge
Sens. Act. A 91 192 (2001)
Femtosecond magneto-optics: Spin dynamics in ferromagnetic layered systems
B. Koopmans, M. van Kampen, J.T. Kohlhepp, and W.J.M. de Jonge
Mat. Sci. Forum 373 69 (2001)
2000
Ultrafast magneto-optics in nickel: magnetism or optics?
B. Koopmans, M. van Kampen, J.T. Kohlhepp, and W.J.M. de Jonge
Phys. Rev. Lett. 85 844 (2000)
Apparent spin polarization decay in Cu dusted Co/Al2O3/Co tunnel junctions
P.R. LeClair, H.J.M. Swagten, J.T. Kohlhepp, R.J.M. van de Veerdonk, and W.J.M. de Jonge
Phys. Rev. Lett. 84 2933 (2000)
Origin of biquadratic exchange in Fe/Si/Fe
G.J. Strijkers, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Phys. Rev. Lett. 84 1812 (2000)
Tunnel conductance as a probe of spin polarization decay in Cu dusted Co/Al2O3/Co tunnel junctions
P.R. LeClair, H.J.M. Swagten, J.T. Kohlhepp, and W.J.M. de Jonge
Appl. Phys. Lett. 76 3783 (2000)
Transport spin polarization of NixFe1-x: electronic kinematics and band structure
B. Nadgorny, R.J. Soulen, Jr., M.S. Osofsky, I.I. Mazin, G. Laprade, R.J.M. van de Veerdonk, A.A. Smits, S.F. Cheng, E.F. Skelton, and S.B. Qadri
Phys. Rev. B 61 3788 (2000)
NMR in Magnetite below and around the Verwey transition
P. Novak, H. Stepankova, J. Englich, J. Kohout, and V.A.M. Brabers
Phys. Rev. B 61 1256 (2000)
Biquadratic interlayer exchange coupling in epitaxial Fe/Si/Fe
G.J. Strijkers, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
J. Appl. Phys. 87 5452 (2000)
Optical and in situ characterization of plasma oxidized Al for magnetic tunnel junctions
P.R. LeClair, J.T. Kohlhepp, A.A. Smits, H.J.M. Swagten, B. Koopmans, G.J. Strijkers, and W.J.M. de Jonge
J. Appl. Phys. 87 6070 (2000)
Femtosecond spin dynamics of epitaxial Cu(111)/Ni/Cu wedges
B. Koopmans, M. van Kampen, J.T. Kohlhepp, and W.J.M. de Jonge
J. Appl. Phys. 87 5070 (2000)
Sensor properties of a robust giant magnetoresistance material system at elevated temperatures
K.-M.H. Lenssen, A.E.T. Kuiper, J.J. van den Broek, R.A.F. van der Rijt, and A. van Loon
J. Appl. Phys. 87 6665 (2000)
Thermal expansion of Ti-substituted barium hexaferrite
P. Hernandez-Gomez, C. de Francisco, V.A.M. Brabers, and J.H.J. Dalderop
J. Appl. Phys. 87 3576 (2000)
Nuclear magnetic resonance study of thin Co layers on single crystal substrates
G.J. Strijkers, J.T. Kohlhepp, H.J.M. Swagten, and W.J.M. de Jonge
Appl. Magn. Res. 19 461 (2000)
Titanium nitride thin films obtained by a modified physical vapor deposition process
P.R. LeClair, G.P. Berera, and J.S. Moodera
Thin Solid Films 376 9 (2000)
Jahn-Teller domains and magnetic domains in Mn2FeO4
V.A.M. Brabers, J. Kub, P. Novak, R. Gemperle, and J. Simsova
J. Magn. Magn. Mater. 217 19 (2000)
Enhanced anisotropy of permalloy layers sputter deposited on V-grooved subtrates and tilted surfaces
W. Oepts, R. Coehoorn, J.C.S. Kools, and W.J.M. de Jonge
J. Magn. Magn. Mater. 218 114 (2000)
On the construction of an Fe3O4-based all-oxide spin valve
P.J. van der Zaag, R.M. Wolf, P.J.H. Bloemen, J.M. Gaines, P.A.A. van der Heijden, R.J.M. van de Veerdonk, and W.J.M. de Jonge
J. Magn. Magn. Mater. 211 301 (2000)
Magnetic anisotropy in EuS-PbS multilayers
T. Story, C.H.W. Swüste, H.J.M. Swagten, W.J.M. de Jonge, A. Stachow-Wójcik, A. Twardowski, M. Arciszewska, W. Dobrowolski, R.R. Galazka, and A.Yu. Sipatov
Acta Phys. Polon. A 97 3 (2000)
On the construction of an Fe3O4 based all-oxide spin-valve
P.J. van der Zaag, P.J.H. Bloemen, J.M. Gaines, R.M. Wolf, P.A.A. van der Heijden, R.J.M. van de Veerdonk, and W.J.M. de Jonge
J. Magn. Magn. Mater. 211 301 (2000)
