Tobias Korn, Dr. rer. nat.
Fakultät für Physik
Institut für Experimentelle und Angewandte Physik
Universität Regensburg
D-93040 Regensburg
Germany
| Office |
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PHY 2.0.06 |
| Phone |
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++49 / (0)941 / 943 -2055 |
| Secretary |
: |
++49 / (0)941 / 943 -2080 (Mrs. Weiss) |
| FAX |
: |
++49 / (0)941 / 943 -4226 |
| E-mail |
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tobias.korn@physik.uni-regensburg.de |
Scientific CV
1994-2000
Physics studies at Hamburg University
2001 - 2004
PhD studies at the Institute for Applied Physics (Hamburg University) in the group of Professor Heitmann. Thesis title: 'Time-resolved magnetization measurements on ferromagnetic films and microstructures'
2004-2005
PostDoc at the SPINTEC-Labor, CEA/CNRS Grenoble
Since September 2005
Research assistant at Regensburg University in the group of
Professor Christian Schüller
January 2011
Habilitation
Publications, sorted by subject
(a) Magneto-optics and magnetization dynamics in ferromagnetic thin films and microstructures
G. Neuber, R. Rauer, J. Kunze, T. Korn, C. Pels, G. Meier, U. Merkt, J. Bäckström, and M. Rübhausen
,
„Temperature-dependent spectral generalized magneto-optical ellipsometry”,
Appl. Phys. Lett. 83, 4509 (2003)
T. Korn, F. Giesen, J. Podbielski, D. Ravlic, C. Schüller, D. Grundler,
„Time-resolved study of the increased magnetization precession frequency in Fe wires”,
J. of Magnetism and Magnetic Materials 285, 240 (2005)
F. Giesen, J. Podbielski, T. Korn, D. Grundler,
„Multiple ferromagnetic resonance in mesoscopic permalloy rings”,
J. Appl. Phys. 97, 10A712 (2005)
T. Korn, M. Kerekes, U. Ebels, D. Stanescu, P. Xavier,
„Pumping-field-induced dynamic effects in micron-sized Permalloy lines and their influence on HF filter applications”,
IEEE trans. Mag. 41, 3514 (2005)
F. Giesen, J. Podbielski, T. Korn, M. Steiner, A. van Staa, and D. Grundler,
„Hysteresis and control of ferromagnetic resonances in rings”,
Appl. Phys. Lett. 86, 112510 (2005)
(b) Spin and carrier dynamics in semiconductors
T. Korn, A. Franke-Wiekhorst, S. Schnüll, I. Wilke,
Characterization of nanometer As-Clusters in low-temperature-grown GaAs by transient reflectivity measurements,
Journal of Applied Physics 91, 2333 (2001)
D. Stich, J. Zhou, T. Korn, R. Schulz, D. Schuh, W. Wegscheider, M.W. Wu, and C. Schüller:
„Effect of Initial Spin Polarization on Spin Dephasing and the Electron g Factor
in a High-Mobility Two-Dimensional Electron System”,
Phys. Rev. Lett. 98, 176401 (2007).
D. Stich, J. H. Jiang, T. Korn, R. Schulz, D. Schuh, W. Wegscheider, M.W. Wu, and C. Schüller:
„Detection of large magneto-anisotropy of electron spin desphasing in a high mobility two-dimensional electron system in a [001] GaAs/AlGaAs quantum well”,
Phys. Rev. B 76, 073309 (2007).
D. Stich, J. Zhou, T. Korn, R. Schulz, D. Schuh, W. Wegscheider, M.W. Wu, and C. Schüller:
„Dependence of spin dephasing on initial spin polarizationin a high-mobility two-dimensional electron system”,
Phys. Rev. B 76, 205301 (2007).
R. Schulz, T. Korn, U. Wurstbauer, D. Schuh, W. Wegscheider, and C. Schüller:
„Ultrafast optical studies of diffusion barriers between ferromagnetic Ga(Mn)As layers and non-magnetic quantum wells”,
Physica E 40, 2163 (2007).
T. Korn, D. Stich, R. Schulz, D. Schuh, W. Wegscheider, and C. Schüller:
„Large in-plane spin-dephasing anisotropy in a [001]-grown two-dimensional electron system”,
Physica E 40, 1542 (2008).
D. Stich, T. Korn, R. Schulz, D. Schuh, W. Wegscheider, and C. Schüller:
„Increase of spin dephasing times in a 2D electron system with degree of initial spin polarization”,
Physica E 40, 1545 (2008).
V. V. Belkov, P. Olbrich, S. A. Tarasenko, D. Schuh, W. Wegscheider, T. Korn, C. Schüller, D. Weiss, W. Prettl, and S. D. Ganichev:
„Symmetry and spin dephasing in (110)-grown quantum wells”,
Phys. Rev. Lett. 100, 176806 (2008).
T. Korn, D. Stich, R. Schulz, D. Schuh, W. Wegscheider, and C. Schüller: (invited article):
„Spin Dynamics in high-mobility two-dimensional electron systems”,
Advances in Solid State Physics, Vol. 48, Ed. R. Haug (Springer Berlin, Heidelberg, New York, 2009).
P. Olbrich, J. Allerdings, V. V. Belkov, S. A. Tarasenko, D. Schuh, W. Wegscheider, T. Korn, C. Schüller, D. Weiss, and S. D. Ganichev:
„Magnetogyrotropic photogalvanic effect and spin dephasing in (110)-grown GaAs/Al
xGa
1-xAs quantum well structures”,
Phys. Rev. B 79, 245329 (2009).
J. H. Jiang, Y. Zhou, T. Korn, C. Schüller, and M. W. Wu:
„Electron spin relaxation in paramagnetic Ga(Mn)As quantum wells”,
Phys. Rev. B 79, 155201(2009).
M. Kugler, T. Andlauer, T. Korn, A. Wagner, S. Fehringer, R. Schulz, M. Kubova, C. Gerl, D. Schuh, W. Wegscheider, P. Vogl, and C. Schüller:
„Gate control of low-temperature spin dynamics in two-dimensional hole systems”,
Phys. Rev. B 80, 035325(2009).
Ch. Strelow, M. Sauer, S. Fehringer, T. Korn, C. Schüller, A. Stemmann, Ch. Heyn, D. Heitmann, and T. Kipp
„Time-resolved studies of a rolled-up semiconductor microtube laser”,
Appl. Phys. Lett. 80, 221115(2009).
M. Griesbeck, M. M. Glazov, T. Korn, E. Ya. Sherman, D. Waller, C. Reichl, D. Schuh, W. Wegscheider, and C. Schüller
„Cyclotron effect on coherent spin precession of two-dimensional electrons”,
Phys. Rev. B, 80, 241314(R) (2009)
T. Korn, M. Kugler , M. Griesbeck , R. Schulz , A. Wagner , M. Hirmer , C. Gerl , D. Schuh , W. Wegscheider, and C Schüller
„Engineering ultralong spin coherence in two-dimensional hole systems at low temperatures ”,
New J. Phys. 12, 043003 (2010)
T. Korn,
„Time-resolved studies of electron and hole spin dynamics in modulation-doped GaAs/AlGaAs quantum wells ”,
Physics Reports 494, 415 (2010)
V. Lechner, L. E. Golub, F. Lomakina, V. V. Belkov, P. Olbrich, S. Stachel, I. Caspers, M. Griesbeck,1 M. Kugler,
M. J. Hirmer, T. Korn,1 C. Schüller, D. Schuh, W. Wegscheider, and S. D. Ganichev
„Spin and orbital mechanisms of the magnetogyrotropic photogalvanic effects in GaAs/AlxGa1-xAs
quantum well structures”,
Phys. Rev. B, 83, 155313 (2011)
R. Völkl, M. Griesbeck, S. A. Tarasenko, D. Schuh, W. Wegscheider, C. Schüller, and T. Korn
„Spin dephasing and photoinduced spin diffusion in a high-mobility two-dimensional electron system embedded in a GaAs-(Al,Ga)As quantum well grown in the [110] direction”,
Phys. Rev. B, 83, 241306(R) (2011)
M. Kugler, K. Korzekwa, P. Machnikowski, C. Gradl, S. Furthmeier, M. Griesbeck, M. Hirmer, D. Schuh, W. Wegscheider, T. Kuhn, C. Schüller, and T. Korn
„Decoherence-assisted initialization of a resident hole spin polarization in a p-doped semiconductor quantum well”,
Phys. Rev. B, 84, 085327 (2011)
M. Hirmer, M. Hirmer, D. Schuh, W. Wegscheider, T. Korn, R. Winkler, and C. Schüller,
„Fingerprints of the Anisotropic Spin-Split Hole Dispersion in Resonant Inelastic Light Scattering in Two-Dimensional Hole Systems”,
Phys. Rev. Lett.107, 216805(2011)
(c) Optical spectroscopy of two-dimensional crystals
S. Heydrich, M. Hirmer, C. Preis, T. Korn, J. Eroms, D. Weiss, and C. Schüller
„Scanning Raman spectroscopy of graphene antidot lattices: Evidence for systematic p-type doping ”,
Appl. Phys. Lett. 97, 043113(2010).
T. Korn, S. Heydrich, M. Hirmer, J. Schmutzler, and C. Schüller
„Low-temperature photocarrier dynamics in monolayer MoS2”,
Appl. Phys. Lett., 99, 102109 (2011)
G. Plechinger, F.-X. Schrettenbrunner, J. Eroms, D. Weiss, C. Schüller, and T. Korn
„Low-temperature photoluminescence
of oxide-covered single-layer MoS
2”,
P hys. Status Solidi RRL, 1-3 (2012) / DOI 10.1002/pssr.201105589