Abstract:The impact of inter-valley scattering in modifying the density of optically injected spin polarized electrons in Al
x
Ga1−x
As/GaAs heterostructure is investigated. Polarization resolved photoluminescence excitation measurements are performed for studying the spectral dependence of degree of circular polarization (DCP) of photoluminescence signal emanating from an adjacent quantum well layer. The experimental DCP spectra is found to deviate from the theoretically calculated curve at high excitation energy and … Show more
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