STRUCTURAL, COMPOSITIONAL, AND OPTICAL PROPERTIES OF ULTRATHIN Si/Ge SUPERLATTICES

K. EBERL; G. KRÖTZ; R. ZACHAI; G. ABSTREITER

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STRUCTURAL, COMPOSITIONAL, AND OPTICAL PROPERTIES OF ULTRATHIN Si/Ge SUPERLATTICES

K. EBERL G. KRÖTZ R. ZACHAI G. ABSTREITER

Year: 1987 Journal: Springer Link (Chiba Institute of Technology) Publisher: Chiba Institute of Technology

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Abstract

Strained-layer superlattices (SLS) composed of a sequence of ultrathin Si and Ge layers are grown on Ge(110) buffer layers by MBE. Crystalline quality, relaxation of asymmetrically SLS, and interdiffusion are studied in situ by LEED and AES. New optical transitions in the range of 0.7 to 0.8 eV are observed with photoluminescence experiments.

Keywords:

Superlattice Photoluminescence In situ Relaxation (psychology) Range (aeronautics) Heterojunction Silicon Thin film

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STRUCTURAL, COMPOSITIONAL, AND OPTICAL PROPERTIES OF ULTRATHIN Si/Ge SUPERLATTICES

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