189 citations · 634 across the 10 of their papers we have counts for
10 papers
Ratchet effects induced by terahertz radiation in heterostructures with a lateral periodic potential
P. Olbrich, E. L. Ivchenko, T. Feil +5
We report on the observation of terahertz radiation induced photogalvanic currents in semiconductor heterostructures with one-dimensional lateral periodic potential. The potential…
Morphology and flexibility of graphene and few-layer graphene on various substrates
U. Stöberl, U. Wurstbauer, W. Wegscheider +2
We report on detailed microscopy studies of graphene and few-layer-graphene produced by mechanical exfoliation on various semi-conducting substrates. We demonstrate the possibility…
Metal-insulator transition and giant anisotropic magnetoresistance in ultra thin (Ga,Mn)As
R. R. Gareev, A. Petukhov, M. Schlapps +4
MBE-grown, 5 nm-thick annealed Ga0.95Mn0.05As films with Tc~90K demonstrate transition from metallic to insulating state below To~10K, where sheet resistances Rsh~h/e2 and both lon…
Phase coherent transport in (Ga,Mn)As
D. Neumaier, K. Wagner, U. Wurstbauer +3
Quantum interference effects and resulting quantum corrections of the conductivity have been intensively studied in disordered conductors over the last decades. The knowledge of ph…
Symmetry and spin dephasing in (110)-grown quantum wells
V. V. Bel'kov, P. Olbrich, S. A. Tarasenko +7
Symmetry and spin dephasing of in (110)-grown GaAs quantum wells (QWs) are investigated applying magnetic field induced photogalvanic effect (MPGE) and time-resolved Kerr rotation.…
Magneto-gyrotropic photogalvanic effects due to inter-subband absorption in quantum wells
H. Diehl, V. A. Shalygin, S. N. Danilov +6
We report on the observation of the magneto-photogalvanic effect (MPGE) due to inter-subband transitions in (001)-oriented GaAs quantum wells. This effect is related to the gyrotro…