107 citations · 562 across the 22 of their papers we have counts for
22 papers
Removal of GaAs growth substrates from II-VI semiconductor heterostructures
S. Bieker, P. Hartmann, T. Kießling +5
We report on a process that enables the removal of II-VI semiconductor epilayers from their GaAs growth substrate and their subsequent transfer to arbitrary host environments. The…
Ultrafast supercontinuum fiber-laser based pump-probe scanning MOKE microscope for the investigation of electron spin dynamics in semiconductors at cryogenic temperatures with picosecond time and micrometer spatial resolution
T. Henn, T. Kiessling, W. Ossau +3
We describe a two-color pump-probe scanning magneto-optical Kerr effect (MOKE) microscope which we have developed to investigate electron spin phenomena in semiconductors at cryoge…
Magnetic field-induced exchange effects between Mn ions and free carriers in ZnSe quantum well through the intermediate nonmagnetic barrier studied by photoluminescence
D. M. Zayachuk, T. Slobodskyy, G. V. Astakhov +5
Photoluminescence (PL) of the 50 nm / nm / 2.5 nm / 30 nm structures is investigated as a f…
Interaction between Mn Ions and Free Carriers in Quantum Wells with Asymmetrical Semimagnetic Barriers
D. M. Zayachuk, T. Slobodskyy, G. V. Astakhov +4
Investigations of photoluminescence (PL) in the magnetic field of quantum structures based on the ZnSe quantum well with asymmetrical ZnBeMnSe and ZnBeSe barriers reveal that the i…
Local control of spin flow in weak magnetic fields
J. -H. Quast, G. V. Astakhov, W. Ossau +4
We demonstrate that optical illumination strongly influences spin transport in n-type GaAs. Specifically, increasing the power density of optical spin pumping results in a signific…
Non-thermal photocoercivity effect in a ferromagnetic semiconductor
G. V. Astakhov, H. Hoffmann, V. L. Korenev +7
We report a photoinduced change of the coercive field, i.e., a photocoercivity effect (PCE), under very low intensity illumination of a low-doped (Ga,Mn)As ferromagnetic semiconduc…