Optical and electrical spin injection and spin transport in hybrid Fe/GaAs devices

被引：18

作者：

Crooker, S. A. ^{[1
]}

Furis, M.

Lou, X.

Crowell, P. A.

Smith, D. L.

Adelmann, C.

Palmstrom, C. J.

机构：

[1] Los Alamos Natl Lab, Natl High Magnet Field Lab, Los Alamos, NM 87545 USA

[2] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[3] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[4] Univ Minnesota, Dept Chem Engn & Mat Sci, Minneapolis, MN 55455 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2007年 / 101卷 / 08期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1063/1.2722785

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We discuss methods for imaging the nonequilibrium spin polarization of electrons in Fe/GaAs spin transport devices. Both optically and electrically injected spin distributions are studied by scanning magneto-optical Kerr rotation microscopy. Related methods are used to demonstrate electrical spin detection of optically injected spin-polarized currents. Dynamical properties of spin transport are inferred from studies based on the Hanle effect, and the influence of strain on spin transport data in these devices is discussed.

引用

页数：5

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