Dynamics of spins in semiconductor quantum wells under drift

Author(s)
Miah, M Idrish
Griffith University Author(s)
Year published
2009
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Abstract
The dynamicsofspinsinsemiconductorquantumwellsunderappliedelectricbiashasbeen investigatedbyphotoluminescence(PL)spectroscopy.Thebias-dependentpolarizationofPL(PPL) was measuredatdifferenttemperatures.The PPL wasfoundtodecaywithanenhancementofincreasingthe strength ofthenegativebias,withanexceptionoccurredforalowvalueofthenegativebias.The PPL wasalsofoundtodependonthetemperature.The PPL in thepresenceofatransversemagneticfieldwas also studied.Theresultsshowedthat PPL in themagneticfieldoscillatesunderanappliedbias, demonstratingthatthedephasingofelectronspinoccursduringthedrifttransportinsemiconductor quantumwells.
Journal Title
Journal of Luminescence
Volume
129
Issue
9
DOI
Subject
Atomic, Molecular, Nuclear, Particle and Plasma Physics not elsewhere classified
Optical Physics
Physical Chemistry (incl. Structural)
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