Magneto-optical properties and the potential application of GaAs with magnetic MnAs nanoclusters

被引：88
|
作者：
Akinaga, H
Miyanishi, S
Tanaka, K
Van Roy, W
Onodera, K
机构：
[1] Natl Inst Adv Interdisciplinary Res, Joint Res Ctr Atom Technol, Tsukuba, Ibaraki 3058562, Japan
[2] JRCAT, Angstrom Technol Partnership, Tsukuba, Ibaraki 3050046, Japan
[3] TOKIN Corp, Tsukuba, Ibaraki 3050875, Japan
来源：
APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 01期
关键词：
D O I：
10.1063/1.125668
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The giant magneto-optical effect of ferromagnetic MnAs nanoclusters embedded in GaAs is shown. The Faraday rotation angle at 0.98 mu m reaches about 0.2 degrees/mu m at 2000 Oe. The potential of this magneto-optical material for use as a Faraday rotator operating at 0.98 mu m is demonstrated by the Verdet constant of the film which is 16 times larger than that of (Cd,Mn,Hg)Te commercially developed for an optical isolator. The fabrication of this material is compatible with that of semiconductor-based devices. (C) 2000 American Institute of Physics. [S0003-6951(00)03601-9].
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页码：97 / 99
页数：3
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