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Photoreflectance characteristic about AlGaAs/GaAs heterostructure

Jae-In Yu1, Jae-Gon Yun, Dong-Lyeul Kim

  • 1Department of Physics, Yeungnam University, Gyeongsan 712-749, South Korea.

Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
|March 15, 2006
PubMed

Abstract:

We investigated the photoreflectance (PR) spectra of as-grown, etched AlGaAs/GaAs heterostructure sample. As etching time increases, the electric fields are reduced. And the surface and interface electric field calculated for the AlGaAs/GaAs sample, respectively.

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