Dynamics of spins in semiconductor quantum wells under drift
Author(s)
Miah, M Idrish
Griffith University Author(s)
Year published
2009
Metadata
Show full item recordAbstract
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.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.
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Journal Title
Journal of Luminescence
Volume
129
Issue
9
Subject
Atomic, molecular and optical physics
Physical chemistry