Quantum confined Stark effects of heavy-hole confined states in In0.53Ga0.47As/In0.52Al0.48As multiquantum well structure using photocurrent spectroscopy

被引：13

作者：

Tanaka, K ^{[1
]}

Kotera, N

Nakamura, H

机构：

[1] Kyushu Inst Technol, Dept Comp Sci & Elect, Iizuka, Fukuoka 820, Japan

[2] Hitachi Ltd, Cent Res Lab, Kokubunji, Tokyo 185, Japan

来源：

ELECTRONICS LETTERS | 1998年 / 34卷 / 22期

关键词：

D O I：

10.1049/el:19981189

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Photocurrents in an In0.53Ga0.47As/In0.52Al0.48As multiquantum well structure containing 10 nm wide wells were measured at room temperature. The spectra showed fine steplike structures accented by exciton peaks of interband transitions. The exciton peaks of heavy-hole transitions responded very sensitively to the electric field due to the quantum confined Stark effect. The energies of the experimental confined states of the heavy-hole extrapolated from the larger electric field were roughly proportional to the squares of quantum numbers. The nonparabolicity of an effective mass of the heavy-hole was surmised to be very small in a direction normal to the well plane.

引用

页码：2163 / 2164

页数：2

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