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Publications

   


2007

"Mapping of spin lifetimes to electronic states in n-type GaAs near the metal-insulator transition",
L. Schreiber, M. Heidkamp, T. Rohleder, B. Beschoten, G. Güntherodt
cond-mat>arXiv:0706.1884 (cond-mat>arXiv:0706.1884)

"Focused-ion-beam milling based nanostencil mask fabrication for spin transfer torque studies",
B. Özyilmaz, G. Richter, N. Müsgens, M. Fraune, M. Hawraneck, B. Beschoten, G. Güntherodt, M. Bückins and J. Mayer
J. Appl. Phys. 101 063920 (2007) (http://dx.doi.org/10.1063/1.2711785)

"On the Possibility of Using Semiconductor Nanocolumns for the Realization of Quantum Bits",
M. Indlekofer and Th. Schäpers
cond-mat/0703520 (cond-mat/0703520)

"Surface and interface electronic properties of AlGaN(0001) epitaxial layers",
A. Rizzi, M. Kocan, J. Malindretos, Schildknecht, N. Teofilov, K. Thonke und R. Sauer,
Appl. Phys. A 87 505 (2007) (http://dx.doi.org/10.1007/s00339-007-3873-4)

"Rashba effect in GaInAs/InP quantum wire structures",
V. A. Guzenko, A. Bringer, J. Knobbe, H. Hardtdegen, and Th. Schäpers,
Appl. Phys. A 87 577 (2007) (http://dx.doi.org/10.1007/s00339-007-3899-7)

"Intra-atomic photoluminescence at 1.41 eV of substitutional Mn in GaMnN of high optical quality",
J. Zenneck, T. Niermann, D. Mai, M. Roever, M. Kocan, and J. Malindretos, M. Seibt, A. Rizzi, N. Kaluza and H. Hardtdegen
J. Appl. Phys. 101 063504 (2007) (http://dx.doi.org/10.1063/1.2710342)

"Zeeman splitting in ballistic GaInAs/InP split-gate quantum point contacts",
Th. Schäpers, V. A. Guzenko, and H. Hardtdegen
Appl. Phys. Lett. 90 122107 (2007) (http://dx.doi.org/10.1063/1.2715106)

"Anisotropic Electron Spin Lifetime in (In,Ga)As/GaAs (110) Quantum Wells",
L. Schreiber, D. Duda, B. Beschoten, G. Güntherodt, H.-P. Schönherr, andJ. Herfort
Phys. Rev. B 75 193304 (2007) (http://dx.doi.org/10.1103/PhysRevB.75.193304)
cond-mat/0701104 (cond-mat/0701104)

"The growth of Cr-doped GaN by MOVPE towards spintronic applications ",
Y. S. Cho, N. Kaluza, V. Guzenko, Th. Schäpers, H. Hardtdegen, H.-P. Bochem, U. Breuer, M. R. Ghadimi, M. Fecioru-Morariu, B. Beschoten, and H. Lüth,
phys. stat. sol. (a), 204, 72 (2007). (http://dx.doi.org/10.1002/pssa.200673016)

"Spin-orbit coupling in gated AlGaN/GaN 2-dimensional electron gases",
Th. Schäpers., N. Thillosen, S. Cabanas, N. Kaluza, V. A. Guzenko, and H. Hardtdegen
phys. stat. sol. (c), 12, 4247–4250 (2007). (http://dx.doi.org/10.1002/pssc.200672807)

"Weak antilocalization measurements on a 2-dimensional electron gas in an InGaSb/InAlSb heterostructure ",
V. A. Guzenko, M. Akabori, Th. Schäpers, S. Cabanas, T. Sato, T. Suzuki, S. Yamada
phys. stat. sol. (c), 12, 4227-4230 (2007). (http://dx.doi.org/10.1002/pssc.200672848)



2006

"Suppression of weak antilocalization in GaxIn1-xAs/InP narrow quantum wires",
Th. Schäpers, V. A. Guzenko, M. G. Pala, U. Zülicke, M. Governale, J. Knobbe, and H. Hardtdegen,
Phys. Rev. B (Rapid Comm.), 74, 081301 (2006). (http://dx.doi.org/10.1103/PhysRevB.74.081301)

"Mn incorporation in GaN thin layers grown by molecular-beam epitaxy"
M. Kocan, J. Malindretos, M. Roever, J. Zenneck, T. Niermann, D. Mai, M. Bertelli, M. Seibt, A. Rizzi,
Semicond. Sci Technol. B 21, p.1348-1353 (2006) (http://dx.doi.org/10.1088/0268-1242/21/9/022)

"Energy-resolved electron spin dynamics at surfaces of p-doped GaAs"
H.C. Schneider, J.-P. Wüstenberg, O. Andreyev, K. Hiebbner, L. Guo, J. Lange, L. Schreiber, B. Beschoten, M. Bauer and M. Aeschlimann
Phys. Rev. B 73, 081302(R) (2006) and cond-mat/0508601 (http://dx.doi.org/10.1103/PhysRevB.73.081302)

"Weak antilocalization in gate-controlled AlxGa1-xN/GaN two-dimensional electron gases"
N. Thillosen, S. Cabanas N. Kaluza V. A. Guzenko, H. Hardtdegen, and Th. Schäpers,
Phys. Rev. B (Rapid Comm.), 73, 241311 (2006). (http://dx.doi.org/10.1103/PhysRevB.73.241311)

"Magneto-optical study of magnetization reversal asymmetry in exchange bias"
A. Tillmanns, S. Oertker, B. Beschoten, G. Güntherodt, C. Leighton, Ivan K. Schuller and J. Nogues
Appl. Phys. Lett. 89, 202512 (2006) (http://dx.doi.org/10.1063/1.2392283)

"Rasbha effect in InGaAs/InP parallel quantum wires",
V. A. Guzenko J. Knobbe, Hardtdegen, Th. Schäpers, and, A. Bringer
Appl. Phys. Lett. 88, 032102 (2006). (http://dx.doi.org/10.1063/1.2165279)

"Weak anti-localization in a polarozation-doped AlGaN/GaN heterostructure with a single subband occupied",
N. Thillosen, Th. Schäpers, N. Kaluza, H. Hardtdegen, and V. A. Guzenko
Appl. Phys. Lett. 88, 022111 (2006). (http://dx.doi.org/10.1063/1.2162871)



2005

"Gd-doped GaN: A very dilute ferromagnetic semiconductor with a Curie temperature above 300 K",
S.Dhar, L.Pérez, O.Brandt, A.Trampert, K.H.Ploog, J. Keller, and B. Beschoten
Phys. Rev. B 72, 245203, (2005). (http://dx.doi.org/10.1103/PhysRevB.72.245203)

"Epitaxial growth of Fe on GaN(0001): structural and magnetic properties",
R. Calarco, R. Meijers, N. Kaluza, V. A. Guzenko, N. Thillosen, Th. Schäpers, H. Lüth, M. Fonin, S. Krzyk, R. Ghadimi, B. Beschoten, and G. Güntherodt,
physica status solidi (a) 202, 754-757, (2005).

"Magnetosubbands of semiconductor quantum wires with Rashba spin-orbit coupling",
J. Knobbe and Th. Schäpers,
Phys. Rev. B, 71, 035311 (2005). (http://dx.doi.org/10.1103/PhysRevB.71.035311)



2004

"Rashba effect in gated InGaAs/InP quantum wire structures",
Th. Schäpers, J. Knobbe, V. A. Guzenko, and A. van der Hart,
Physica E, 21, 933 (2004). (http://dx.doi.org/10.1016/j.physe.2003.11.153 )

"Testing the domain state model for exchange bias"
B. Beschoten, J. Keller, U. Nowak, K.D. Usadel, G. Güntherodt
Physicalia Magazine 26, 109-118 (2004)

"Effect of Rashba spin-orbit coupling on magnetotransport in InGaAs/InP quantum wire structures",
Th. Schäpers, J. Knobbe, and V. A. Guzenko,
Phys. Rev. B, 69, 235323 (2004). (http://dx.doi.org/10.1103/PhysRevB.69.235323)

"Magnetic and structural properties of GaN thin layers implanted with Mn, Cr, or V ions",
V. A. Guzenko N. Thillosen, A. Dahmen, R. Calarco, Th. Schäpers, L. Houben, M. Luysberg B. Schineller, M. Heuken and A. Kaluza,
J. Appl. Phys., 96, 5663-5667 (2004). (http://dx.doi.org/10.1063/1.1805718 )




2003


"Current-injection in a ballistic multiterminal superconductor two-dimensional electron gas Josephson junction",
Th. Schäpers, V. A. Guzenko, R. P. Müller, A. A. Golubov, A. Brinkman, G. Crecelius, A. Kaluza, and H. Lüth
Phys. Rev. B 67, 014522(10) (2003)(http://dx.doi.org/10.1103/PhysRevB.67.014522 )

"Origin of high-temperature ferromagnetism in (Ga,Mn)N layers grown on 4H-SiC(0001) by reactive molecular-beam epitaxy",
S. Dhar, O. Brandt, A. Trampert, L. Däweritz, K.J. Friedland, K.H. Ploog, J. Keller, B. Beschoten, G. Güntherodt
Appl. Phys. Lett. 82, 2077 (2003) (http://dx.doi.org/10.1063/1.1564292 )

M. Kocan, M. Bertelli, E. Dona, A.Rizzi, M. Grimm, H. Lüth,
Electrical Conduction of AlGaN/GaN 2DEG Heterostructures grown on Si(111)
phys. stat. sol. (c) 0(1), p.196-199 (2003)

"Rashba effect in strained InGaAs/InP quantum wire structures",
Th. Schäpers, J. Knobbe, A. van der Hart, and H. Hardtdegen,
Sci. and Technol. of Adv. Mat., 4, 19-21 (2003).



 


 

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