3 papers
cond-mat.mes-hall2004
Spin dynamics and level structure of quantum-dot quantum wells
Jesse Berezovsky, Min Ouyang, Florian Meier +3
We have characterized CdS/CdSe/CdS quantum-dot quantum wells using time-resolved Faraday rotation (TRFR). The spin dynamics show that the electron g-factor varies as a function of…
cond-mat.mes-hall2004
Optically-patterned nuclear doughnuts in GaAs/MnAs heterostructures
J. Stephens, J. Berezovsky, R. K. Kawakami +2
We demonstrate a scheme for optically patterning nuclear spin polarization in semiconductor/ferromagnet heterostructures. A scanning time-resolved Kerr rotation microscope is used…
cond-mat.mtrl-sci2004
Spin accumulation in forward-biased MnAs/GaAs Schottky diodes
J. Stephens, J. Berezovsky, J. P. McGuire +3
We describe a new means for electrically creating spin polarization in semiconductors. In contrast to spin injection of electrons by tunneling through a reverse-biased Schottky bar…