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Tobias Korn, Dr. rer. nat.
Fakultät für Physik
Institut für Experimentelle und Angewandte Physik
Universität Regensburg
D-93040 Regensburg
Raum : PHY 2.0.06
Telefon : ++49 / (0)941 / 943 -2055
Sekretariat : ++49 / (0)941 / 943 -2080 (Frau Weiss)
FAX : ++49 / (0)941 / 943 -4226
E-mail : tobias.korn@physik.uni-regensburg.de

Wissenschaftlicher Werdegang

1994-2000
Studium der Physik an der Universität Hamburg

2001 - 2004
Promotion am Institut für Angewandte Physik der Universität Hamburg in der Gruppe von Professor Heitmann. Thema der Dissertation: 'Zeitaufgelöste Magnetisierungsmessungen an ferromagnetischen Filmen und Mikrostrukturen'

2004-2005
PostDoc am SPINTEC-Labor, CEA/CNRS Grenoble

Seit September 2005
Wissenschaftlicher Assistent an der Universität Regensburg in der Gruppe von Professor Christian Schüller

Januar 2011
Habilitation

Juni 2011
Ernennung zum Privatdozenten

Veröffentlichungen, nach Themen geordnet
(a) Magneto-Optik und Magnetisierungsdynamik in ferromagnetischen Schichten und Mikrostrukturen
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-und Ladungsträgerdynamik in Halbleitern
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/AlxGa1-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)
 
M. Griesbeck, M. M. Glazov, E. Ya. Sherman, D. Schuh, W. Wegscheider, C. Schüller, and T. Korn,
„Strongly anisotropic spin relaxation revealed by resonant spin amplification in (110) GaAs quantum wells”,
Phys. Rev. B 85, 085313(2012)
 
K. Korzekwa, C. Gradl, M. Kugler, S. Furthmeier, M. Griesbeck, M. Hirmer, D. Schuh, W. Wegscheider, T. Kuhn, C. Schüller, T. Korn, and P. Machnikowski
„Spin dynamics in p-doped semiconductor nanostructures subject to a magnetic field tilted from the Voigt geometry”,
Phys. Rev. B 88, 155303 (2013)
 
T. Korn and C. Schüller
„Hole spin dynamics and valence-band spin excitations in two-dimensional hole systems”,
Phys. Status Solidi B 251, 1881 (2014).
 
C. Schönhuber, M. P. Walser, G. Salis, C. Reichl, W. Wegscheider, T. Korn, and C. Schüller:
„Inelastic light-scattering from spin-density excitations in the regime of the persistent spin helix in a GaAs-AlGaAs quantum well”,
Phys. Rev. B 89, 085406 (2014).
 
R. Völkl, M. Schwemmer, M. Griesbeck, S. A. Tarasenko, D. Schuh, W. Wegscheider, C. Schüller, and T. Korn
„Spin polarization, dephasing, and photoinduced spin diffusion in (110)-grown two-dimensional electron systems”,
Phys. Rev. B 89, 075424 (2014)
 
T. Korn and C. Schüller
„Hole spin dynamics and valence-band spin excitations in two-dimensional hole systems”,
Physica status solidi (b) 251, 1881 (2014)
 
C. Gradl, M. Kempf, D. Schuh, D. Bougeard, R. Winkler, C. Schüller, and T. Korn
„Hole-spin dynamics and hole g-factor anisotropy in coupled quantum well systems”,
Phys. Rev. B 90, 165439 (2014)
 
T. Maag,A. Bayer,S. Baierl, M. Hohenleutner, T. Korn, C. Schüller, D. Schuh, D. Bougeard, C. Lange, R. Huber, M. Mootz,J. E. Sipe, S. W. Koch and M. Kira
„Coherent cyclotron motion beyond Kohn's theorem ”,
Nature Physics 12, 119 (2016)
 
K. M. Schulz, H. Vu, S. Schwaiger, A. Rottler, T. Korn, D. Sonnenberg, T. Kipp, and S. Mendach,
„Controlling the Spontaneous Emission Rate of Quantum Wells in Rolled-Up Hyperbolic Metamaterials”,
Phys. Rev. Lett. 117, 085503 (2016)
 
S. Furthmeier, F. Dirnberger, M. Gmitra, A. Bayer, M. Forsch, J. Hubmann, C. Schüller, E. Reiger, J. Fabian, T. Korn, and D. Bougeard,
„Enhanced spin-orbit coupling in core/shell nanowires”,
Nature Comm. 7, 12413 (2016).
 
M. Schwemmer, A. Hanninger, M. Weingartner, M. Oltscher, M. Ciorga, D. Weiss, D. Schuh, D. Bougeard, T. Korn, and C. Schüller,
„Deterministic transfer of spin polarization in wire-like lateral structures via the persistent spin helix”,
Appl. Phys. Lett. 109, 172106 (2016).
 
(c) Optische Spektroskopie an zweidimensionalen Kristallstrukturen und Nanostrukturen
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 MoS2”,
Phys. Status Solidi Rapid Research Letters, 6, 126 (2012)
 
G. Plechinger, S. Heydrich, J. Eroms, D. Weiss, C. Schüller, and T. Korn
„Raman spectroscopy of the interlayer shear mode in few-layer MoS2 flakes ”,
Appl. Phys. Lett., 101, 101906 (2012)
 
F. Yaghobian, T. Korn, and C. Schüller
„Frequency Shift in Graphene-Enhanced Raman Signal of Molecules”,
ChemPhysChem , 13, 4271 (2012)
 
F. Oberhuber, S. Blien, S. Heydrich, F. Yaghobian, T. Korn, C. Schüller, C. Strunk, D. Weiss, and J. Eroms
„Weak localization and Raman study of anisotropically etched graphene antidots ”,
Appl. Phys. Lett., 103, 143111 (2013)
 
T. Korn, G. Plechinger, S. Heydrich, F.-X. Schrettenbrunner, J. Eroms, D. Weiss,and C. Schüller
„Optical Characterization, Low-Temperature Photoluminescence, and Photocarrier Dynamics in MoS2 ”,
Springer Lecture Notes in Nanoscale Science and Technology 21, 217-236 (2014)
 
G. Plechinger, .J Mann, E. Preciado, D. Barroso, A. Nguyen, J. Eroms, C. Schüller, L. Bartels, and T. Korn
„A direct comparison of CVD-grown and exfoliated MoS2 using optical spectroscopy ”,
Semicond. Sci. Technol. 29, 064008 (2014)
 
G. Plechinger, A. Castellanos-Gomez, M. Buscema, H. S. J. van der Zant, G. A. Steele, A. Kuc, T. Heine, C. Schüller and T. Korn
„Control of biaxial strain in single-layer molybdenite using local thermal expansion of the substrate ”,
2D Materials 2, 015006 (2015)
 
N. Paradiso, F. Yaghobian, C. Lange, T. Korn, C. Schüller, R. Huber, and C. Strunk
„Tailored nanoantennas for directional Raman studies of individual carbon nanotubes ”,
Phys. Rev. B 91, 235449 (2015)
 
C. Poellmann, P. Steinleitner, U. Leierseder, P. Nagler, G. Plechinger, M. Porer, R. Bratschitsch, C. Schüller, T. Korn and R. Huber
„Resonant internal quantum transitions and femtosecond radiative decay of excitons in monolayerWSe2 ”,
Nature Mat. 14, 889 (2015)
 
G. Plechinger, . Nagler, J. Kraus, N. Paradiso, C. Strunk, C. Schüller, and T. Korn
„Identification of excitons, trions and biexcitons in single-layer WS2 ”,
Phys. Status Solidi Rapid Research Letters 9, 457 (2015)
 
G. Plechinger, F. Mooshammer, A. Castellanos-Gomez, G. A. Steele, C. Schüller, and T. Korn
„Optical spectroscopy of interlayer coupling in artificially stacked MoS2 layers”,
2D Materials 2, 034016 (2015)
 
P. Nagler, G. Plechinger, C. Schüller, and T. Korn
„Observation of anisotropic interlayer Raman modes in few-layer ReS2 ”,
Phys. Status Solidi Rapid Research Letters 10, 185 (2016)
 
M. A. Huber, M. Plankl, M. Eisele, R. E. Marvel, F. Sandner, T. Korn, C. Schüller, R. F. Haglund, Jr., R. Huber, and T. L. Cocker
„Ultrafast Mid-Infrared Nanoscopy of Strained Vanadium Dioxide Nanobeams ”,
Nano Lett. 16, 1421 (2016).
 
F. Langer, M. Hohenleutner, C. P. Schmid, C. Poellmann, P. Nagler, T. Korn, C. Schüller, M. S. Sherwin, U. Huttner, J. T. Steiner, S. W. Koch, M. Kira and R. Huber
„Lightwave-driven quasiparticle collisions on a subcycle timescale ”,
Nature 533, 225 (2016)
 
K Hao, L. Xu, P. Nagler, A. Singh, K Tran, C. K. Dass, C. Schüller, T. Korn, X. Li, and G. Moody
„Coherent and Incoherent Coupling Dynamics between Neutral and Charged Excitons in Monolayer MoSe2 ”,
Nano Lett. 16, 5109 (2016).
 
R. Schmidt, A. Arora, G. Plechinger, P. Nagler, A. Granados del Aguila, M. V. Ballottin,P. C. M. Christianen, S. Michaelis de Vasconcellos, C. Schüller, T. Korn, and R. Bratschitsch
„Magnetic-field-induced rotation of polarized light emission from monolayer WS2 ”,
Phys. Rev. Lett. 117, 077402 (2016).
 
G. Plechinger, P. Nagler, A. Arora, R. Schmidt, A. Chernikov, A. Granados del Aguila, P. C. M.Christianen, R. Bratschitsch, C. Schüller, and T. Korn
„Trion fine structure and coupled spin-valley dynamics in monolayer Tungsten Disulfide ”,
Nature Comm. 7, 12715 (2016).
 
 
Letzte Änderung: 28.10.2016 von Webmaster