Abstract
The influence of uniaxial stress along the , and directions to the conduction band (CB) energy valley (Γ valley, Δ valleys, and L valleys) of Germanium was investigated by deformation potential theory. The valence band (VB) structure model of Germanium in uniaxial stressed was established by using a six-band k·p model and coupled with deformation potential theory, and the variation of valence band edge energy level with stress was analyzed. The uniaxial stress induced band edge structure change, such as CB splitting energy, VB splitting energy, and band-gap were elaborated. The obtained quantitative results can provide reference for the calculation of other physical parameters of uniaxial stressed Germanium.
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