Quantum transport and magneto-optics in a magnetic two-dimensional electron gas

被引：8

作者：

Smorchkova, I ^{[1
]}

Samarth, N ^{[1
]}

Kikkawa, JM ^{[1
]}

Awschalom, DD ^{[1
]}

机构：

[1] UNIV CALIF SANTA BARBARA,DEPT PHYS,SANTA BARBARA,CA 93106

来源：

JOURNAL OF APPLIED PHYSICS | 1997年 / 81卷 / 08期

关键词：

D O I：

10.1063/1.364857

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A new class of magnetic heterostructures is studied wherein a two-dimensional electron gas (2DEG) is strongly exchange coupled to a systematic distribution of local moments. From the longitudinal magnetoresistance we extract the sheet concentration, single particle scattering time, and carrier effective mass. Magnetophotoluminescence measurements yield an estimate of the spin splitting of the 2DEG states, implying a high degree of spin polarization in modest magnetic fields at cryogenic temperatures. (C) 1997 American Institute of Physics.

引用

页码：4858 / 4860

页数：3

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