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	Photoinduced spin alignment of the magnetic ions in (ga,mn)as
	Sun, Baoquan; Jiang, Desheng; Sun, Zheng; Ruan, Xuezhong; Deng, Jiajun; Zhao, Jianhua; Ji, Yang; Xu, Zhongying
刊名	Journal of applied physics
	2006-10-15
卷号	100期号:8页码:5
ISSN号	0021-8979
DOI	10.1063/1.2358407
通讯作者	Sun, baoquan(bqsun@red.semi.ac.cn)
英文摘要	Time-resolved kerr rotation measurement in the (ga,mn)as diluted magnetic semiconductor allows direct observation of the dynamical properties of the spin system of the magnetic ions and the spin-polarized holes. experimental results show that the magnetic ions can be aligned by the polarized holes, and the time scales of spin alignment and relaxation take place in tens and hundreds of picoseconds, respectively. the larmor frequency and effective g factor obtained in the voigt geometry show an unusual temperature dependence in the vicinity of the curie temperature due to the exchange coupling between the photoexcited holes and magnetic ions. such a spin coherent precession can be amplified or destructed by two sequential excitation pulses with circularly copolarized or oppositely polarized helicity, respectively. (c) 2006 american institute of physics.
WOS关键词	CDTE/CD1-XMNXTE QUANTUM-WELLS ; SEMICONDUCTOR HETEROSTRUCTURES ; LARMOR PRECESSION ; MN2+ MOMENTS ; DYNAMICS ; POLARONS ; SPECTROSCOPY ; ORGANIZATION ; CD1-XMNXSE ; CARRIERS
WOS研究方向	Physics
WOS类目	Physics, Applied
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000241721900004
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2426757
专题	半导体研究所
通讯作者	Sun, Baoquan
作者单位	Chinese Acad Sci, Inst Semicond, SKLSM, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Sun, Baoquan,Jiang, Desheng,Sun, Zheng,et al. Photoinduced spin alignment of the magnetic ions in (ga,mn)as[J]. Journal of applied physics,2006,100(8):5.
APA	Sun, Baoquan.,Jiang, Desheng.,Sun, Zheng.,Ruan, Xuezhong.,Deng, Jiajun.,...&Xu, Zhongying.(2006).Photoinduced spin alignment of the magnetic ions in (ga,mn)as.Journal of applied physics,100(8),5.
MLA	Sun, Baoquan,et al."Photoinduced spin alignment of the magnetic ions in (ga,mn)as".Journal of applied physics 100.8(2006):5.

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