Interband Light Absorption at a Rough Interface

L. Braginsky

doi:10.1016/s1386-9477(99)00256-8

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arXiv · cond-mat/9909444

Interband Light Absorption at a Rough Interface

L. Braginsky

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Abstract

Light absorption at the boundary of indirect-band-gap and direct-forbidden gap semiconductors is analyzed. It is found that the possibility of the electron momentum nonconservation at the interface leads to essential enhancement of absorption in porous and microcrystalline semiconductors. The effect is more pronounced at a rough boundary due to enlargement of the share of the interface atoms.

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L. Braginsky. 1999-09-30. Interband Light Absorption at a Rough Interface. https://doi.org/10.1016/s1386-9477(99)00256-8

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