Low energy oscillatory phenomena in photoreflectance of GaMnAs films grown by LT-MBE

X D Luo,Y Q Wang,J N Wang,W K Ge,B D Ding,P S Liu

doi:10.1109/inec.2010.5425118

Low energy oscillatory phenomena in photoreflectance of GaMnAs films grown by LT-MBE

X D Luo, Y Q Wang + Show 4 more

https://doi.org/10.1109/inec.2010.5425118

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Publication Date: Jan 1, 2010

Affiliation: Institute of Solid State Physics, Hong Kong University of Science and Technology, University of Hong Kong, Nantong University

#Low Energy Oscillations #Band Gap Of Ga + Show 8 more

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Abstract

Low energy oscillations (LEOs), lower than the band gap of Ga(Mn)As, were observed well in the photo-modulation reflectance and reflectance spectra of GaMnAs grown by low temperature molecular-beam epitaxy. By simulating the oscillations of the reflectance spectra, These LEOs were contributed to the variable refractive indexes induced by the high hole density in GaMnAs.

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