中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Determining the sign of g factor via time-resolved kerr rotation spectroscopy with a rotatable magnetic field

文献类型:期刊论文

作者Gu Xiao-Fang; Qian Xuan; Ji Yang; Chen Lin; Zhao Jian-Hua
刊名Chinese physics b
出版日期2011-08-01
卷号20期号:8页码:4
关键词G factor Time-resolved kerr rotation Gallium arsenide Rotatable magnetic field
ISSN号1674-1056
DOI10.1088/1674-1056/20/8/087503
通讯作者Ji yang(jiyang@semi.ac.cn)
英文摘要Time-resolved kerr rotation spectroscopy is used to determine the sign of the g factor of carriers in a semiconductor material, with the help of a rotatable magnetic field in the plane of the sample. the spin precession signal of carriers at a fixed time delay is measured as a function of the orientation of the magnetic field with a fixed strength b. the signal has a sine-like form and its phase determines the sign of the g factor of carriers. as a natural extension of previous methods to measure the (time-resolved) photoluminescence or time-resolved kerr rotation signal as a function of the magnetic field strength with a fixed orientation, such a method gives the correct sign of the g factor of electrons in gaas. furthermore, the sign of carriers in a (ga, mn) as magnetic semiconductor is also found to be negative.
WOS关键词ELECTRON G-FACTORS ; QUANTUM-WELLS ; GAAS ; SPINTRONICS ; BEATS
WOS研究方向Physics
WOS类目Physics, Multidisciplinary
语种英语
WOS记录号WOS:000294810700065
出版者IOP PUBLISHING LTD
URI标识http://www.irgrid.ac.cn/handle/1471x/2428435
专题半导体研究所
通讯作者Ji Yang
作者单位Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China
推荐引用方式
GB/T 7714
Gu Xiao-Fang,Qian Xuan,Ji Yang,et al. Determining the sign of g factor via time-resolved kerr rotation spectroscopy with a rotatable magnetic field[J]. Chinese physics b,2011,20(8):4.
APA Gu Xiao-Fang,Qian Xuan,Ji Yang,Chen Lin,&Zhao Jian-Hua.(2011).Determining the sign of g factor via time-resolved kerr rotation spectroscopy with a rotatable magnetic field.Chinese physics b,20(8),4.
MLA Gu Xiao-Fang,et al."Determining the sign of g factor via time-resolved kerr rotation spectroscopy with a rotatable magnetic field".Chinese physics b 20.8(2011):4.

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来源:半导体研究所

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