Femtosecond magneto-optics of EuO

被引：8
|
作者：
Formisano, F. [1 ]
Medapalli, R. [2 ,3 ]
Xiao, Y. [2 ]
Ren, H. [2 ]
Fullerton, E. E. [2 ]
Kimel, A., V [1 ]
机构：
[1] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6525 AJ Nijmegen, Netherlands
[2] Univ Calif San Diego, Ctr Memory & Recording Res, La Jolla, CA 92093 USA
[3] Natl Inst Technol, Sch Sci, Dept Phys, Tadepalligudem 534102, Andhra Pradesh, India
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2020年 / 502卷 / 502期
关键词：
DILUTED MAGNETIC SEMICONDUCTORS; OPTICAL MANIPULATION; ULTRAFAST; REFLECTANCE; DYNAMICS; ENERGY;
D O I：
10.1016/j.jmmm.2020.166479
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on the photoinduced dynamics of the magneto-optical Faraday effect and the transmittivity of ferromagnetic semiconducting phase of EuO. Excitation with 8-fs laser pulses launches significantly different dynamics of the Faraday effect compared to magnetic refraction. It is argued that the effects are dynamic probes of the magnetization and the exchange interaction in the material which have distinctly different dynamics at the sub-100 fs time scale.
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页数：6
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