The Mechanism of Current Transfer in n-GaAs – p(ZnSe)1-x-y(Ge2)x(GaAs1–δBiδ)y Heterostructures
Abstract
The I-V characteristics of heterostructures n-GaAs – p-(ZnSe)1–x–y(Ge2)x(GaAs1–δBiδ) exhibit a characteristic quadratic law - J~V2 I-V curve, followed by a sharp pre-breakdown current growth, which well explains the observed straight branch of the I-V characteristics and this regularity remains unchanged at different temperatures. The analysis of the I-V characteristics of n‑GaAs‑p‑(ZnSe)1‑x‑y(Ge2)x(GaAs1–δBiδ) heterostructures with an extended intermediate solid solution layer shows that the drift mechanism of charge transport predominates under forward bias conditions.
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References
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