Direct observation of alloy scattering of two-dimensional electrons in AlxGa1-xAs

被引：26

作者：

Li, WL ^{[1
]}

Csáthy, GA

Tsui, DC

Pfeiffer, LN

West, KW

机构：

[1] Princeton Univ, Dept Phys, Princeton, NJ 08544 USA

[2] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA

[3] Bell Labs, Lucnet Technol, Murray Hill, NJ 07974 USA

来源：

APPLIED PHYSICS LETTERS | 2003年 / 83卷 / 14期

关键词：

D O I：

10.1063/1.1611650

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have measured the alloy scattering of two-dimensionally (2D) confined electrons in AlxGa1-xAs in the dilute Al concentration limit. Alloy scattering is independent of temperature below 4.2 K, and from its linear dependence on the Al concentration we obtain a scattering rate of 35 ns(-1) per 1% Al impurities. The alloy scattering potential determined from our data, using the Fang-Howard approximation of the wave function for the 2D electrons, is 1.13 eV. (C) 2003 American Institute of Physics.

引用

页码：2832 / 2834

页数：3

共 19 条

[1] SELF-CONSISTENT RESULTS FOR A GAAS/ALXGA1-XAS HETEROJUNCTION .2. LOW-TEMPERATURE MOBILITY [J].