OPTICAL AND STRUCTURAL CHARACTERIZATIONS OF ZNSE/ZNSSE SUPERLATTICES GROWN BY METALORGANIC CHEMICAL VAPOR-DEPOSITION

被引：18

作者：

KURODA, Y ^{[1
]}

SUEMUNE, I ^{[1
]}

FUJIMOTO, M ^{[1
]}

FUJII, Y ^{[1
]}

OTSUKA, N ^{[1
]}

NAKAMURA, Y ^{[1
]}

机构：

[1] PURDUE UNIV,SCH MAT ENGN,W LAFAYETTE,IN 47907

来源：

JOURNAL OF APPLIED PHYSICS | 1992年 / 72卷 / 07期

关键词：

D O I：

10.1063/1.351512

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

ZnSe/ZnSSe superlattices (SLs) grown on GaAs substrates were studied with transmission electron microscopy and x-ray diffraction. Defects were observed in the initial growth stage, but they were recovered with the growth of short-period SL. The temperature dependent decrease of photoluminescence (PL) intensities improved in the short-period SL. Clear excitonic absorption peaks were observed in photocurrent spectra and the blue shift of the absorption peaks by the quantum confinement was in reasonable agreement with the calculated peak shift. In a SL with the well width of 93 angstrom, a biexciton PL peak was observed from the very low excitation power of less than 1 mW/cm2. Details of the biexciton properties are discussed.

引用

页码：3029 / 3033

页数：5

共 20 条

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