Picosecond time-resolved X-ray ferromagnetic resonance measurements at Shanghai synchrotron radiation facility

被引：0

作者：

Xia Yang ^{[1
,2
]}

Jie-Feng Cao ^{[1
,3
]}

Jun-Qin Li ^{[1
,3
]}

Fang-Yuan Zhu ^{[3
]}

Rui Yu ^{[3
]}

Jian He ^{[3
]}

Zi-Long Zhao ^{[3
]}

Yong Wang ^{[1
,3
]}

Ren-Zhong Tai ^{[1
,3
]}

机构：

[1] Shanghai Institute of Applied Physics, Chinese Academy of Sciences

[2] University of Chinese Academy of Sciences

[3] Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences

来源：

Nuclear Science and Techniques | 2022年 / 33卷 / 05期

基金：

中国国家自然科学基金;

关键词：

D O I：

暂无

中图分类号：

O469 [凝聚态物理学]; O482.532 [];

学科分类号：

070205 ; 0805 ; 080502 ; 0809 ;

摘要：

An experimental picosecond time-resolved X-ray ferromagnetic resonance(TR-XFMR) apparatus with a time resolution of 13 ps(RMS) or 31 ps(FWHM)was constructed and demonstrated in the 07U and 08U1A soft X-ray beamlines at the Shanghai Synchrotron Radiation Facility(SSRF) using pump-probe detection and X-ray magnetic circular dichroism(XMCD) spectroscopy. Element and time-resolved ferromagnetic resonance was excited by continuous microwave phase-locking of the bunch clock within the photon beam during synchrotron radiation and was characterized by detecting the magnetic circular dichroism signals of the elements of interest in the magnetic films. Using this equipment, we measured the amplitude of the element-specific moment precession during ferromagnetic resonance(FMR) at 2 GHz in a single Ni81Fe19layer.

引用

页码：128 / 136

页数：9

共 28 条

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