Fabrication and optical properties of Si/CaF2(111) multi-quantum wells

被引：52

作者：

Bassani, F ^{[1
]}

Vervoort, L ^{[1
]}

Mihalcescu, I ^{[1
]}

Vial, JC ^{[1
]}

dAvitaya, FA ^{[1
]}

机构：

[1] UNIV GRENOBLE 1,SPECTROMETRIE PHYS LAB,F-38042 ST MARTIN DHERES,FRANCE

来源：

JOURNAL OF APPLIED PHYSICS | 1996年 / 79卷 / 08期

关键词：

D O I：

10.1063/1.361834

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have synthesized, by molecular beam epitaxy, Si/CaF2(111) multi-quantum wells which are photoluminescent at room temperature after ageing in air. In this article, we report on the structural properties and on a detailed optical study of these heterostructures. The photoluminescence spectra for various confinements and the temperature dependence of the lifetimes as a function of emission wavelength are described in comparison with the corresponding characteristics of porous silicon and hydrogenated amorphous silicon. A model based on quantum confinement is proposed to explain the experimental data. (C) 1996 American Institute of Physics.

引用

页码：4066 / 4071

页数：6

共 35 条

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