Photoreflectance study of AlAs/GaAs gradient period superlattice

Hongwei Xu; Xiaochuan Zhou
November 1992
Applied Physics Letters;11/2/1992, Vol. 61 Issue 18, p2193
Academic Journal
Explores the possibility of constructing a graded band-gap barrier by gradient period (AlAs)[sub n]/(GaAs)[sub m] superlattice. Attribution of oscillation to oscillation induced by quasielectric field in the gradient period superlattice regions; Formation of graded band gap; Determination of the band gap in the graded region.


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