Publications Prof. Dr. Werner Keune

2013

Henning Höpfner, Carola Fritsche, Arne Ludwig, Astrid Ludwig, Frank Stromberg, Heiko Wende, Werner Keune, Dirk Reuter, Andreas D. Wieck, Nils C. Gerhardt, and Martin R. Hofmann
Spin relaxation length in quantum dot spin LEDs
Phys. Status Solidi C (2013) 1-4 DOI: 10.1002/pssc.201200689

H. Höpfner, C. Fritsche, Arne Ludwig, Astrid Ludwig, F. Stromberg, H. Wende, W. Keune, D. Reuter,  A. D. Wieck, N. C. Gerhardt and M. R. Hofmann
Spin relaxation in spin light-emitting diodes: Effects of magnetic field and temperature
Proceedings Photonic West SPIE-2013  (submitted 10. Jan. 2013)

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2012

Henning Höpfner, Carola Fritsche, Arne Ludwig, Astrid Ludwig, Frank Stromberg, Heiko Wende, Werner Keune, Dirk Reuter, Andreas D. Wieck, Nils C. Gerhardt, and Martin R. Hofmann
Magnetic field dependence of the spin relaxation length in spin light-emitting diodes
Appl. Phys. Lett. 101 (2012) 112402 DOI: 10.1063/1.4752162
C. Antoniak, H. C. Herper, Y. N. Zhang, A. Warland, T. Kachel, F. Stromberg, B. Krumme, C. Weis, K. Fauth, W. Keune, P. Entel, R. Q. Wu, J. Lindner, and H. Wende
Induced magnetism on silicon in Fe3Si quasi-Heusler compound
Phys. Rev. B 85 (2012) 214432 DOI: 10.1103/PhysRevB.85.214432
A. Warland, C. Antoniak, M. Darbandi, C. Weis, J. Landers, W. Keune, and H. Wende
Effect of silica capping on the oxidation of Fe3O4 nanoparticles in dispersion revealed by x-ray absorption spectroscopy
Phys. Rev. B 85 (2012) 235113 DOI: PhysRevB.85.235113
Masih Darbandi, Frank Stromberg, Joachim Landers, Nathalie Reckers, Biplab Sanyal, Werner Keune and Heiko Wende
Nanoscale size effect on surface spin canting in iron oxide nanoparticles synthesized by the microemulsion method
J. Phys. D: Appl. Phys. 45 (2012) 195001
Rashid Gareev, Frank Stromberg, Matthias Buchmeier, Werner Keune, Christian Back, and Heiko Wende
Antiferromagnetic Coupling in Combined Fe/Si/MgO/Fe Structures with Controlled Interface Diffusion
Appl. Phys. Express 5 (2012) 033003  DOI: 10.1143/APEX.5.033003
V. Uzdin, A. Vega, A. Khrenov, W. Keune, V.E. Kuncser, S. Jiang, and S.D. Bader
Noncollinear Fe spin structure in (Sm-Co)/Fe exchange-spring bilayers: layer-resolved 57Fe Mössbauer spectroscopy and electronic structure calculations
Phys. Rev. B 85 (2012) 024409
B. Sahoo, W. Keune, V. Kuncser, and R. Röhlsberger
As-Grown Superconducting MgB2 Thin Films Prepared at Extreme Deposition Conditions
Supercond. Sci. Technol. 25 (2012) 015004

W. Keune (invited)
Application of Mössbauer Spectroscopy in Magnetism
Proceed. Intern. Conf. on Applications of the Mössbauer Effect (ICAME 2011, Kobe, Japan, 25.-30. Sep. 2011)
Hyperfine Interactions 204 (1) (2012) 13-45 DOI 10.1007/s10751-012-0570-2

H. Höpfner, M. Li, Arne Ludwig, Astrid Ludwig, F. Stromberg, H. Wende, W. Keune, D. Reuter, A. D. Wieck, N. C. Gerhardt, and M. R. Hofmann
Room temperature spin relaxation in quantum dot based spin-optoelectronic devices
Proceedings of SPIE 8260 (2012) 82600A (Photonic-West 2012)
B. Roldan Cuenya, L. K. Ono, J. R. Croy, K. Paredis, A. Kara, H. Heinrich, J. Zhao, E. E. Alp, A. T. DelaRiva, A. Datye, and W. Keune
Size-dependent evolution of the atomic vibrational density of states and thermodynamic properties of isolated Fe nanoparticles
Phys. Rev B 86 (2012) 165406

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2011

S.I. Makarov, B. Krumme, F. Stromberg, C. Weis, W. Keune, and H. Wende
Improved interfacial local structural ordering of epitaxial Fe3Si(001) thin films on GaAs(001) by a MgO(001) tunneling barrier
Appl. Phys. Lett. 99 (2011) 141910  DOI: 10.1063/1.3646390
Henning Soldat, Mingyuan Li, Nils C. Gerhardt, Martin R. Hofmann, Arne Ludwig, Astrid Ebbing, Dirk Reuter, Andreas D. Wieck, Frank Stromberg, Werner Keune, and Heiko Wende
Room temperature spin relaxation length in spin light-emitting diodes
Appl. Phys. Lett. 99  (2011) 051102 DOI: 10.1063/1.3622662
F. Stromberg, C. Antoniak, U. von Hörsten, W. Keune, B. Sanyal, O. Eriksson and H. Wende
Textured growth of the high moment material Gd(0001)/Cr(001)/Fe(001)
J. Phys. D: Appl. Phys. 44, 265004 (2011) DOI:10.1088/0022-3727/44/26/265004
A. Ludwig, R. Roescu, A.K. Rai, K. Trunov, F. Stromberg, M. Li, H. Soldat, A. Ebbing, N.C. Gerhardt, M.R. Hofmann, H. Wende, W. Keune, D. Reuter and A.D. Wieck
Electrical spin injection in InAs quantum dots at room temperature and adjustment of the emission wavelength for spintronic applications
Journal of Crystal Growth 323 (2011) 376 DOI: 10.1016/j.jcrysgro.2010.09.087
V. Kuncser and W. Keune
Step-shaped angular spin distribution in layered systems by 57Fe Mössbauer Spectroscopy: A general treatment
J. Magn. Magn. Mater. 323 (2011) 2196
B. Sahoo, K. Schlage, J. Major, U. von Hörsten, W. Keune, H. Wende, and R. Röhlsberger
Preparation and characterization of ultrathin stainless steel films
Intern. Conf. on Magnetic Materials (ICMM), Kalkutta, India, Oct. 2010 AIP Conf. Proc. 1347 (2011) 57
B. Sahoo, W. Keune, V. Kuncser, and R. Röhlsberger
Metallurgical Phases and Their Magnetism at the Interface of Nanoscale MgB2/Fe Layered Structures
J. Phys.: Condens. Matter 23 (2011) 475702

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2010

E. Schuster, R. A. Brand, F. Stromberg, F.-Y. Lo, A. Ludwig, D. Reuter, A. D. Wieck, S. Hövel, N. C. Gerhardt, M. R. Hofmann, H. Wende, and W. Keune
Epitaxial growth and interfacial magnetism of spin aligner for remanent spin injection: [Fe/Tb]n/Fe/MgO/GaAs-light emitting diode as a prototype system
J. Appl. Phys. 108, 063902 (2010) DOI 10.1063/1.3476265
C. Weis, B. Krumme, H. C. Herper, F. Stromberg, C. Antoniak, A. Warland P. Entel, W. Keune, and H. Wende
Magnetic properties of ultrathin Fe3Si films on GaAs(001)
J. Phys.: Conf. Ser. 200, 072105 (2010) DOI 10.1088/1742-6596/200/7/072105
V. Kuncser, W. Keune, U. von Hörsten, G. Schinteie, N. Stefan, P. Palade, and G. Filoti
Interfacial atomic diffusion in AF/Fe/Cu/Fe (AF = Fe50Mn50 and Ir50Mn50) multilayer systems
Thin Solid Films 518 (2010) 5981
V. Kuncser, W. Keune, U. von Hörsten, and G. Schinteie
Interlayer magnetic coupling in exchange bias and spin valve structures with Fe-Mn and Ir-Mn antiferromagnetic layers
J. Optoelectronics and Advanced Materials 12 (2010) 1385

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2009

B. Krumme, C. Weis, H. C. Herper, F. Stromberg, C. Antoniak, A. Warland, E. Schuster, P. Srivastava, M. Walterfang, K. Fauth, J. Minár, H. Ebert, P. Entel, W. Keune, and H. Wende
Local atomic order and element-specific magnetic moments of Fe3Si thin films on MgO(001) and GaAs(001) substrates
Phys. Rev. B 80, 144403 (2009) DOI: 10.1103/PhysRevB.80.144403
S. Hövel, N. C. Gerhardt, M. R. Hofmann, F.-Y. Lo, D. Reuter, A. D. Wieck, E. Schuster, H. Wende, W. Keune
Spin-controlled optoelectronic devices
Phys. Status Solidi C 6, 436 (2009) DOI: 10.1002/pssc.200880357
Y.-H. Fan, J. Puls, S. Halm, S. Sadofev, F. Seifert, E. Schuster, G. Bacher, W. Keune, and F. Henneberger
Laser-induced erasure and reversal of the permanent magnetization in a ferromagnet – dilute magnetic semiconductor hybrid structure
Appl. Phys. Lett. 95 (2009) 223502
Kh. Zakeri, J. Lindner, I. Barsukov, R. Meckenstock, M. Farle, U. von Hörsten, H. Wende, W. Keune, J. Rocker, S.S. Kalarickal, K. Lenz, W. Kuch, K. Baberschke, and Z. Frait
Erratum: Spin dynamics in ferromagnets: Gilbert damping and two-magnon scattering [Phys. Rev. B 76, 104 (2007)]
Phys. Rev. B 80 (2009) 059901

B. Roldan Cuenya, J.R. Croy, L.K. Ono, A. Naitabdi, H. Heinrich, W. Keune, J. Zhao, W. Sturhahn, E.E. Alp, and M. Hu
Phonon density of states of self-assembled isolated Fe-rich Fe-Pt alloy nanoclusters
Phys. Rev. B 80 (2009) 125412
selected for the September 28, 2009 issue of Virtual Journal of Nanoscale Science and Technology

B. Roldan Cuenya, L.K. Ono, J.R. Croy, A. Naitabdi, H. Heinrich, J. Zhao, E.E. Alp, W. Sturhahn, and W. Keune
Structure and phonon density of states of supported size-selected 57FeAu nanoclusters: a nuclear-resonant inelastic x-ray scattering study
Appl. Phys. Lett. 95 (2009) 143103

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2008

F. Stromberg, S. Bedanta, C. Antoniak, W. Keune and H. Wende
FeSi diffusion barriers in Fe/FeSi/Si/FeSi/Fe multilayers and oscillatory antiferromagnetic exchange coupling
J. Phys.: Condens. Matter 20, 425205 (2008) DOI: 10.1088/0953-8984/20/42/425205
S. Hövel, N. C. Gerhardt, M. R. Hofmann, F.-Y. Lo, A. Ludwig, D. Reuter, A. D. Wieck, E. Schuster, H. Wende, W. Keune, O. Petracic, and K. Westerholt
Room temperature electrical spin injection in remanence
Appl. Phys. Lett. 93, 021117 (2008) DOI: 10.1063/1.2957469
S. Hövel, N.C. Gerhardt, M.R. Hofmann, F.-Y. Lo, D. Reuter, A.D. Wieck, E. Schuster, W. Keune, H. Wende, O. Petracic, and K. Westerholt
Electrical detection of photoinduced spins both at room temperature and in remanence
Appl. Phys. Lett. 92, 242102 (2008) DOI: 10.1063/1.2948856
K. Trunov, M. Walterfang, W. Keune, N.K. Utochkina, A. Trunova
Structural and hyperfine magnetic properties of Fe3Si thin films grown at low temperature
Thin solid films 516 (2008) 6205
B. Roldan Cuenya, W. Keune, R. Peters, E. Schuster, B. Sahoo, U. von Hörsten, W. Sturhahn, J. Zhao, T.S. Toellner, E.E. Alp, and S.D. Bader
High-Energy Phonon Confinement in Nanoscale Metallic Multilayers
Phys. Rev B 77 (2008) 165410,
Selected by Virtual J. of Nanoscale Science and Technology Vol. 17, Issue 16, April 21 (2008)
W.A.A. Macedo, B. Sahoo, J. Eisenmenger, M.D. Martins, W. Keune, V. Kuncser, R. Röhlsberger, O. Leupold, R. Rüffer, J. Nogues, Kai Liu, K. Schlage, and Ivan K. Schuller
Direct Measurement of Depth-Dependent Fe Spin Structure During Magnetization Reversal in Fe/MnF2 Exchange-Coupled Bilayers
Phys. Rev. B 78 (2008) 224401
H. Nagar, N.V. Kulkarni, S. Karmakar, B. Sahoo, I. Banerjee, P.S. Chaudhari, R. Pasricha, A.K. Das, S.V. Bhoraskar, S.K. Date, and W. Keune
Mössbauer spectroscopic investigation of nanophase iron oxides synthesized by thermal plasma route
Materials Characterization 59 (2008) 1215

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2007

Kh. Zakeri, I. Barsukov, N. K. Utochkina, F. M. Römer, J. Lindner, R. Meckenstock, U. von Hörsten, H. Wende, W. Keune, M. Farle, S. S. Kalarickal, K. Lenz, and Z. Frait
Magnetic properties of epitaxial Fe3Si/MgO(001) thin films
Phys. Rev. B 76, 214421 (2007) DOI: 10.1103/PhysRevB.76.214421
Kh. Zakeri, J. Lindner, I. Barsukov, R. Meckenstock, M. Farle, U. von Hörsten, H. Wende, W. Keune, J. Rocker, S. S. Kalarickal, K. Lenz, W. Kuch, K. Baberschke, and Z. Frait
Spin dynamics in ferromagnets: Gilbert damping and two-magnon scattering
Phys. Rev. B 76, 104416 (2007) DOI: 10.1103/PhysRevB.76.104416
S. Halm, B. Bacher, E. Schuster, W. Keune, M. Sperl,
J. Puls and F. Henneberger
Local Spin Manipulation in Ferromagnet-Semiconductor Hybrids
Appl. Phys. Lett. 90 (2007) 051916
S. Halm, P. Hohage, E. Neshataeva, F. Seifert, T. Kümmell,
E. Schuster, W. Keune, M. Sperl, Y.-H. Fan, J. Puls, F. Henneberger and G. Bacher
Incoherent and Coherent Spin Manipulation in Ferromagnet-Dilute Magnetic Semiconductor Hybrids
phys. stat. sol. (a) 204 (2007) 191
V.M. Uzdin and W. Keune
Atomic Scale Interface Structure in Metallic Superlattices
J. Phys.: Condens. Matter 19 (2007) 136201
N. Hayashi, T. Toriyama, T. Yamashiro, I. Sakamoto, F. Stromberg and W. Keune
Tunneling-type magnetoresistance Characteristics of Nanosized Fe-Co Granules in α-Al2O3 Synthesized by Ion Implantation
J. Appl. Phys. 101 (2007) 104304
V. Kuncser, G. Schinteie, B. Sahoo, W. Keune, D. Bica, L. Vekas and G. Filoti
Magnetic Interactions in Water Based Ferrofluids Studied by Mössbauer Spectroscopy
J. Phys.: Condens. Matter 19 (2007) 016205
S. Halm, E. Neshataeva, F. Seifert, T. Kümmell, E. Schuster, W. Keune, J. Puls, F. Henneberger and G. Bacher
Local Control of Carrier Spin States in a Semiconductor by Microscale Ferromagnetic Wires
AIP Conference Proceedings 893 (2007) 1355
F. Seifert, G. Buckting, S. Halm, T. Kümmell, G. Bacher, E. Schuster and W. Keune
Magnetic nanostructures for local spin control in semiconductors
Superlattices and Microstructures 41 (2007) 93
S. Hövel, N.C. Gerhardt, C. Brenner, M.R. Hofmann, F.-Y. Lo, D. Reuter, A.D. Wieck, E. Schuster and W. Keune
Spin-controlled LEDs and VCSELs
phys. stat. sol. (a) 204 (2007) 500
B. Roldan Cuenya, A. Naitabdi, E. Schuster, R. Peters, M. Doi and W. Keune
Epitaxial growth, magnetic properties, and lattice dynamics of Fe nanoclusters on GaAs(001)
Phys. Rev. B 76 (2007) 094403
B. Roldan Cuenya, A. Naitabdi, J. Croy, W. Sturhahn, J. Y. Zhao, E. E. Alp, R. Meyer, D. Sudfeld, E. Schuster and W. Keune
Atomic vibrations in metal nanoclusters: Nuclear resonant inelastic x-ray scattering and molecular dynamics calculations
Phys. Rev. B 76 (2007) 195422
Virtual Journal of Nanoscale Science & Technology 16, November 26, 2007
R. Peters, W. Keune, E. Schuster, S. Kashiwada, M. Ferhat and K. Yoh
Nanoscaled Systems Studied by Mössbauer Spectroscopy: Fe/Tb Multilayer Contacts on InAs(001)
Superlattices and Microstructures 41 (2007) 81 

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2006

B. Roldan Cuenya, W. Keune, W.A. Adeagbo and P. Entel
Thermal Stability, Atomic Vibrational Dynamics and Superheating of Confined Interfacial Sn layers in Sn/Si Multilayers
Phys. Rev. B 73 (2006) 045311
S. Halm, F. Seifert, T. Kümmell, G. Bacher, E. Schuster, W. Keune, J. Puls and F. Henneberger
Manipulation of Exciton Spin States in a Dilute Magnetic Semiconductor by Nanostructured Ferromagnets
phys. stat. sol. (c) 3 (2006) 1122
N.C. Gerhardt, S. Hövel, C. Brenner, M.R. Hofmann, F.-Y. Lo, D. Reuter, A. Wieck, E. Schuster, W. Keune, K. Westerholt, S. Halm and G. Bacher
Spin Injection light-emitting diode with vertically magnetized ferromagnetic metal contacts
J. Appl. Phys. 99 (2006) 073907
M. Walterfang, W. Keune, K. Trounov, R. Peters, U. Rücker and K. Westerholt
Magnetic and structural properties of epitaxial c-FeSi films grown on MgO(100)
Phys. Rev. B 73 (2006) 214423
V. Kuncser, W. Keune, F. Stromberg, G. Schinteie and G. Filoti
Spin Configurations in Exchange Coupled Magnetic Phases Studied by Mössbauer Spectroscopy
J. Optoelectr. Adv. Mater. 8 (2006) 514
V. Kuncser, G. Schinteie, B. Sahoo, W. Keune, D. Bica, L. Vekas and G. Filoti
Complex Characterization of Magnetic Fluids by Mössbauer Spectroscopy
Romanian Reports in Physics 58 (2006) 235
V. Kuncser, W. Keune, M. Vopsaroiu and P.R. Bisell
Erratum to: "The ´in-plane´ angular spin distribution in layered systems as obtained by 57Fe Mössbauer spectroscopy" [Nucl. Instr. and Meth. B 196 (2002) 135-147]
Nucl. Instr. and Meth. in Phys. Res. B 245 (2006) 539
F. Stromberg, W. Keune, X. Chen, S. Bedanta, H. Reuther and A. Mücklich
The Origin of Ferromagnetism in 57Fe Ion-Implanted Semiconducting 6H-Polytype Silicon Carbide
J. Phys.: Condens. Matter 18 (2006) 9881
S. Halm, E. Neshataeva, F. Seifert, T.K. Kümmel, E. Schuster, W. Keune, M. Sperl, J. Puls, F. Henneberger and G. Bacher
Tb/Fe multilayer ferromagnets for local semiconductor spin control
phys. stat. sol. (c) 3 (2006) 4359
B. Sahoo, W. Keune, E. Schuster, W. Sturhahn, T.S. Toellner and E.E. Alp
Amorphous Fe-Mg Alloy Thin Films: Magnetic Properties and Atomic Vibrational Dynamics
Hyperfine Interactions 168 (2006) 1185
B. Sahoo, W.A.A. Macedo, W. Keune, V. Kuncser, J. Eisenmenger, J. Nogues, I.K. Schuller, I. Felner, Kai Liu and R. Röhlsberger
Mössbauer Spectroscopical Investigation of the Exchange Biased Fe/MnF2 Interface
Hyperfine Interactions 169 (2006) 1371
B. Sahoo, W. Keune, E. Schuster, W. Sturhahn, J. Zhao, T. S. Toellner and E. E. Alp
Vibrational Dynamics of Fe in Amorphous Fe-Sc and Fe-Al Alloy Thin Films
Hyperfine Interactions 170 (2006) 35
D. Predoi, V. Kuncser, M. Zaharescu, A. Jitianu, M. Crisan, W. Keune, B. Sahoo, G. Filoti and M. Raileanu
FexOy-SiO2 nonocomposites studied by Mössbauer spectroscopy
J. Optoelectr. Adv. Mater. 8 (2006) 518
V. Kuncser, F. Stromberg, G. Schinteie, A. Birsan and W. Keune
Interfacial Spin Configuration in Exchange Coupled Magnetic Phases: Exchange Spring and Exchange Bias Systems
Bulg. J. Phys. 33 (2006) 135
S. Hövel, N.C. Gerhardt, C. Brenner, M.R. Hofmann, F.-Y. Lo, D. Reuter, A.D. Wieck, E. Schuster and W. Keune
Spin-controlled vertical cavity surface-emitting lasers
Proceedings of SPIE 6184 (2006) 61840Y
B. Sahoo, W.A. Adeagbo, F. Stromberg, W. Keune, E. Schuster, R. Peters, P. Entel, S. Lüttjohann, A. Gondorf, W. Sturhahn, J. Zhao, T.S. Toellner and E.E. Alp
Electronic Transport and Atomic Vibrational Properties of Semiconducting Mg2119Sn Thin Film
J. Phase Transitions 79 (2006) 839

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2005

M. Walterfang, W. Keune, E. Schuster, A.T. Zayak, P. Entel, W. Sturhahn, T.S. Toellner, E.E. Alp, P.T. Jochym and K. Parlinski
Atomic Vibrational Density of States of Crystalline β-FeSi2 and Amorphous FeSi2 Thin Films
Phys. Rev. B 71 (2005) 035309
E. Schuster, W. Keune, F.-Y. Lo, D. Reuter, A. Wieck and K. Westerholt
Preparation and Characterization of Epitaxial Fe(001) Thin Films on GaAs(001)-based LED for Spin Injection
Superlattices and Microstructures 37(5) (2005) 313
V.E. Kuncser, F. Stromberg, M. Acet and W. Keune
Mössbauer Effect Study of Correlation between Structure and Exchange-Bias Effect in Ferromagnetic Fe/Antiferromagnetic FeSn2 Bilayers
J. Appl. Phys. 97 (2005) 063513
B. Roldan Cuenya, W. Keune, Dongqi Li and S.D. Bader
Enhanced Hyperfine Magnetic Fields for Face-Centered Tetragonal Fe(110) Ultrathin Films on Vicinal Pd(110)
Phys. Rev. B 71 (2005) 064409
N.C. Gerhardt, S. Hövel, C. Brenner, M.R. Hofmann, F.-Y. Lo, D. Reuter, A. Wieck, E. Schuster, W. Keune and K. Westerholt
Electron Spin Injection into GaAs from Ferromagnetic Contacts in Remanence
Appl. Phys. Lett. 87 (2005) 032502
F. Stromberg, W. Keune, V. Kuncser and K. Westerholt
Fe Coverage Induced Out-of-plane Spin Component of the Antiferromagnetic Spin Structure in Exchange Biased Fe/FeSn2 Bilayers
Phys. Rev. B 72 (2005) 064440
V. Kuncser, C.P. Lungu, I. Mustata, A.M. Lungu, W. Keune, B. Sahoo, F. Stromberg, M. Walterfang, L.Ion and G. Filoti
Fe-Cu Granular Thin Films With Giant Magnetoresistance by Thermionic Vacuum Arc Method: Preparation and Structural Characterization
Surface and Coatings Technology 200 (2005) 980
B. Sahoo, W. Keune, W. Sturhahn, T.S. Toellner and E.E. Alp
Atomic Vibrational Dynamics of Amorphous Fe-Mg Alloy Thin Films
J. Phys. Chem. Solids 66 (2005) 2263
B. Sahoo, V. Kuncser, W. Keune and J. Pieper
Mössbauer Spectroscopical Investigation of Amorphous Fe-Y Alloy Ribbons Prepared by Melt Spinning
Hyperfine Interactions 165 (2005)175

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2004

W. Keune, T. Ruckert, B. Sahoo, W. Sturhahn, T.S. Toellner, E.E. Alp and R. Röhlsberger
Atomic Vibrational Density of States in Crystalline and Amorphous Tb1-xFex Alloy Thin Films Studied by Nuclear Resonant Inelastic X-ray Scattering (NRIXS)
J. Phys.: Condens. Matter 16 (2004) S379
V. Kuncser, W. Keune, B. Sahoo, E. Duman, M. Acet, F. Radu, M. Valeanu, O. Crisan and G. Filoti
Magnetic Interactions and Spin Configuration in FeRh and Fe/FeRh Systems
J. Magn. Magn. Mater. 272-276 (2004) 348
D. Predoi, V. Kuncser, M. Zaharescu, W. Keune, B. Sahoo, M. Valeanu, M. Crisan, M. Raileanu, A. Jitianu and G. Filoti
Structural and Magnetic Properties of Iron Species // SiO2 Nanocomposites Obtained by Sol-Gel Methods
Phys. Stat. Sol. (c) 1 (2004) 3507
W.A.A. Macedo, B. Sahoo, V. Kuncser, J. Eisenmenger, I. Felner, J. Nogués, Kai Liu, W. Keune and Ivan K. Schuller
Changes in Ferromagnetic Spin Structure Induced by Exchange Bias in Fe/MnF2 Films
Phys. Rev. B 70 (2004) 224414
S.K. Date, P.A. Joy, P.S. Anil Kumar, B. Sahoo and W. Keune
Structural, Magnetic and Mössbauer Studies on Nickel-Zinc Ferrites Synthesized via a Precipitation Route
Phys. Stat. Sol. (c) 1 (2004) 3495
T. Spataru, G. Principi, V. Kuncser, W. Keune and V.A. Yartys
Mössbauer Study of the RENiSnD (RE: Pr, Nd) Monodeuterides"
J. Alloys and Compounds 366 (2004) 81
F. Stromberg, V. Kuncser, K. Westerholt and W. Keune
Interfacial Spin Structure in Epitaxial Fe/FeSn2 Bilayers with Exchange Bias
Phys. Stat. Sol. (c) 1 (2004) 3754

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2003

B. Roldan Cuenya, M. Doi, W. Keune, S. Hoch, D. Reuter, A. Wieck, T. Schmitte and H. Zabel
Interface Magnetism of Epitaxial Fe Films on High-Mobility GaAs/Al0.35Ga0.65As(001) Two-Dimensional Electron Gas Heterostructures
Appl. Phys. Lett. 82 (2003) 1072
B. Sahoo, V. Kuncser, S. Kirsch and W. Keune
Superconductivity of MgB2 Thin Films Prepared by Co-Evaporation and Magnetism of MgB2/Fe Multilayers Studied by Mössbauer Spectroscopy
Phase Transitions 76 (2003) 423
M. Walterfang, W. Keune and H. Reuther
Mössbauer-Effect Study of Metastable c-FeSi Synthesized by Molecular Beam Epitaxy (MBE) and by Ion Implantation
Phase Transitions 76 (2003) 437
V. Kuncser, W. Keune, M. Vopsaroiu, P.R. Bissel, B. Sahoo and G. Filoti
Easy Axis Distribution in Modern Nanoparticle Storage Media: A New Methodological Approach
J. Optoelectronics and Advanced Mater. 5 (2003) 217
V. Kuncser, M. Doi, B. Sahoo, F. Stromberg and W. Keune
Preparation and Structural Investigations of Epitaxially Grown Antiferromagnetic FeSn2(001) Thin Films on InSb(001)
J. Appl. Phys. 94 (2003) 3573
V.E. Kuncser, M. Doi, W. Keune, M. Askin, H. Spies, J.S. Jiang, A. Inomata and S.D. Bader
Observation of the Fe Spin Spiral Structure in Fe/Sm-Co Exchange Spring Bilayers by Mössbauer Spectroscopy
Phys. Rev. B 68 (2003) 064416

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2002

M. Doi, B. Roldan Cuenya, W. Keune, T. Schmitte, A. Nefedov, H. Zabel, D. Spoddig, R. Meckenstock and J. Pelzl
Magnetic and Structural Properties of Epitaxial Fe Thin films on GaAs(001) and Interfaces
J. Magn. Magn. Mater. 240 (2002) 407
R. Meckenstock, D. Spoddig, K. Himmelbauer, H. Krenn, M. Doi, W. Keune, Z. Frait and J. Pelzl
Magnetic Properties of Fe/ZnSe and Fe/GaAs Heterostructures Investigated by Ferromagnetic Resonance and SQUID Measurements
J. Magn. Magn. Mater. 240 (2002) 410
T. Ruckert, W. Keune, W. Sturhahn and E.E. Alp
Phonon Density of States in Tb/Fe Multilayers
J. Magn. Magn. Mater. 240 (2002) 562
V.M. Uzdin, W. Keune and M. Walterfang
Epitaxial growth, alloying and magnetic structure of interfaces in Fe/Cr (001) superlattices
J. Magn. Magn. Mater. 240 (2002) 504
B. Roldan Cuenya, M. Doi and W. Keune
Epitaxial Growth and Interfacial Structure of Sn on Si(111) (7x7)
Surf. Sci. 506 (2002) 33
V. Kuncser, M. Doi, M. Acet and W. Keune
Spin Structures in Exchange-Biased Thin Films Studied by Mössbauer Spectroscopy
Hyperfine Interactions (C) 5 (2002) 603
V. Kuncser, W. Keune, M. Vopsaroiu and P.R. Bisell
The In-Plane Angular Spin Distribution in Layered Systems as Obtained by 57Fe Mössbauer Spectroscopy
Nucl. Instrum. Meth. in Phys. Res. B 196 (2002) 135
W. Keune, V.E. Kuncser, M. Doi, M. Askin, H. Spies, B. Sahoo, E. Duman, M. Acet, J.S. Jiang, A. Inomata and S.D. Bader (invited paper)
Mössbauer Effect Study of the Fe Spin Structure in Exchange-Bias and Exchange-Spring Systems
J. Phys. D: Applied Physics 35 (2002) 2352
A. Nefedov, T. Schmitte, K. Theis-Bröhl, H. Zabel, M. Doi, E. Schuster and W. Keune
Growth and Structure of L1o Ordered FePt films on GaAs(001)
J. Phys. : Condens. Matter 14 (2002) 12273
T. Ruckert, W. Keune, B. Sahoo, W. Sturhahn, T. Toellner, E.E. Alp and R. Röhlsberger (invited)
Atomic Vibrational Dynamics of Thin Films Studied by Nuclear Resonant Inelastic X-Ray Scattering: Amorphous TbxFe1-x Alloys
Hyperfine Interactions 144/145 (2002) 65
V. Kuncser, M. Vopsaroiu, B. Sahoo, P.R. Bissel and W. Keune
Advanced double coated metal particle tapes studied by Mössbauer spectroscopy and magnetic measurements
Hyperfine Interactions (c) 5 (2002) 103
S.K. Mohapatra, B. Sahoo, W. Keune and P. Selvam
Synthesis, characterization and catalytic properties of trivalent iron substituted hexagonal mesoporous aluminophosphates
Chem. Commun. (2002) 1466

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2001

M. Stöckmann, F. Konietzni, J.U. Notheis, J. Voss, W. Keune and W.F. Maier
Selective Oxidation of Benzene to Phenol in the Liquid Phase with Amorphous Microporous Mixed Oxides
Applied Catalysis A 208, 343 (2001)
V.M. Uzdin, W. Keune, H.Schrör, M. Walterfang
Fe/Cr interface magnetism: Correlation between hyperfine fields and magnetic moments
Phys. Rev. B 63 (2001) 104407
V. Uzdin and W. Keune
Hyperfine Field Distribution and Interface Structure on the Atomic Scale
The Physics of Metals and Metallography 91, Suppl. 1, (2001) S82
B. Roldan Cuenya, M. Doi, S. Löbus, R. Courths and W. Keune
Observation of the fcc-to-bcc Bain transformation in Epitaxial Fe Ultrathin Films on Cu3Au(001)
Surf. Sci. 493, 338 (2001)
Dongqi Li, B. Roldan Cuenya, J. Pearson, S.D. Bader and W. Keune
Magnetism of Step-Decorated Fe on Pd(110)
Phys. Rev. B 64, 144410 (2001)
B. Roldan Cuenya, W. Keune, W. Sturhahn, T.S. Toellner and M.Y. Hu
Structure and Vibrational Dynamics of Interfacial Sn layers in Sn/Si Multilayers
Phys. Rev. B 64 (2001) 235321
F. Richomme, J. Teillet, A. Fnidiki and W. Keune
Structural and Magnetic Properties of UHV Evaporated Fe/Tb Multilayers: Effect of the Substrate Temperature
Phys. Rev. B 64, 094415 (2001)

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2000

Juraszek, A. Fnidiki, J. Teillet, M. Toulemonde, A. Michel and W. Keune
Directional Effect of Heavy-Ion Irradiation in Tb/Fe Multilayers
Phys. Rev. B 61 (2000) 12
J. Tappert, S. Neumann, J. Jungermann, W.S. Kim, T. Ruckert, R.A. Brand, W. Keune, W. Kleemann, F. Richomme, J. Teillet,
F. Klose and H. Maletta
Fe-Spin Structure in Terbium/Iron Multilayers
Philos. Mag. B 80 (2000) 257
M. Walterfang, S. Kruijer, W. Keune, M. Dobler and H. Reuther
Depth Analysis of Buried Iron Disilicide Formation by Fe Ion Implantation into Si
Appl. Phys. Lett. 76 (2000) 1413
B. Roldan Cuenya, M. Doi, O. Marks, W. Keune and K. Mibu
Reflection High-Energy Electron Diffraction and 119Sn Mössbauer Investigation of epitaxial Sn-Films
in: "Structure and Dynamics of Heterogeneous Systems,
eds. P. Entel and D.E. Wolf,
World Scientific, Singapore 2000, S. 251-262
R. Reiche, S. Oswald, K. Wetzig, M. Dobler, H. Reuther and M. Walterfang
The Transformation of β-FeSi2 under Ar Ion Bombardment Studied by XPS, AES and Mössbauer Spectroscopy
Nucl. Instr. Methods in Phys. Res. B 160, 397 (2000)
M. Walterfang, S. Kruijer, M. Dobler, H. Reuther and W. Keune
Phase Analysis of α-Fe after High-Dose Si Ion Implantation by Depth-Selective Conversion-Electron Mössbauer Spectroscopy (DCEMS)
Hyperfine Interact. 126 (2000) 219
T. Ruckert, W. Keune, W. Sturhahn, M.Y. Hu, J.P. Sutter,
T.S. Toellner and E.E. Alp
Phonon Density of States in Epitaxial Fe/Cr(001) Superlattices
Hyperfine Interact. 126 (2000) 363
B. Roldan Cuenya, M. Doi, T. Ruckert, W. Keune and T. Steffl
Magnetism and Structure of Epitaxial Face-Centered Tetragonal Fe Thin Films
J. Phys. Soc. Japan 69, Suppl. A, 125 (2000)

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