ABSORPTION-SPECTRA OF QUANTUM-WELL EXCITONS IN ALKALI-HALIDE MULTILAYER STRUCTURES

被引：5

作者：

EJIRI, A

NAKAGAWA, K

HATANO, A

机构：

[1] University of Tokyo, Department of Pure and Applied Sciences, Meguro-ku, Tokyo, 153, 3-8-1, Komaba

[2] Kobe University, Tsurukabuto, Noda-ku, Kobe

来源：

PHYSICA SCRIPTA | 1990年 / 41卷 / 01期

关键词：

D O I：

10.1088/0031-8949/41/1/024

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Optical absorption spectra of quantum well excitons in KCl-KBr and RbCl-KBr alternating multilayer structures are studied. The absorption bands of excitons confined in the well exhibit blue shifts and steeper rise as compared with the bulk exciton band. These spectral characters are explained in terms of the quantum confinements. A sinusoidal potential profile of the multilayer is proposed to explain the interface-mixture effect and is confirmed by the observed spectra. A simple model of the sinusoidal well is also proposed. © 1990 IOP Publishing Ltd.

引用

页码：95 / 98

页数：4

共 21 条

[1] EXCITON BINDING-ENERGY IN QUANTUM WELLS [J].