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7 papers · 2 filters
Magnetization dynamics down to zero field in dilute (Cd,Mn)Te quantum wells
Mateusz Goryca, David Ferrand, Piotr Kossacki +8
The evolution of the magnetization in (Cd,Mn)Te quantum wells after a short pulse of magnetic field was determined from the giant Zeeman shift of spectroscopic lines. The dynamics…
Temperature dependence of the electron spin g factor in GaAs
W. Zawadzki, P. Pfeffer, R. Bratschitsch +4
The temperature dependence of the electron spin factor in GaAs is investigated experimentally and theoretically. Experimentally, the factor was measured using time-resolved…
GaMnAs: layers, wires and dots
Janusz Sadowski
Thin layers of GaMnAs ferromagnetic semiconductor grown by molecular beam epitaxy on GaAs(001) substrates were studied. To improve their magnetic properties the post-growth anneali…
Mapping of quantum well eigenstates with semimagnetic probes
Ł. Kłopotowski, A. Gruszczyńska, E. Janik +4
We present results of transmission measurements on CdTe quantum wells with thin semimagnetic CdMnTe probe layers embedded in various positions along the growth axis. The presence o…
Controlled aggregation of magnetic ions in a semiconductor. Experimental demonstration
A. Bonanni, A. Navarro-Quezada, Tian Li +8
The control on the distribution of magnetic ions into a semiconducting host is crucial for the functionality of magnetically doped semiconductors. Through a structural analysis at…
Charge fluctuations and feedback effect in shot noise in a Y-terminal system
Bogdan R. Bulka
We investigate a dynamical Coulomb blockade effect and its role in the enhancement of current-current correlations in a three-terminal device with a multilevel splitter, as well as…