兰州大学机构库 >物理科学与技术学院
Role of magnetostrictive effect in magnetization dynamics of SmFe thin films
He, Xiaodong1; Wu, Guanjie2; Zhao, Bingcheng2; Zhang, Linlin1; Zhou, Xiaowei1; Liu, Zhu1; Ren, Y(任杨)1; Cao, Jiangwei3; Xi, Li3; Zuo, Yalu3; Yao, Jinlin3; Jin, Qingyuan2; Zhang, Zongzhi2
2019
Source PublicationApplied Physics Express
ISSN18820786
Volume12Issue:12
AbstractLaser induced magnetization dynamic behaviors of SmxFe1-x thin films with tunable x (0.25 ≤ x ≤ 0.5) are investigated by the time-resolved magneto-optical Kerr effect. It is found that the demagnetization process is accomplished by a two-stage process, the demagnetization time of stage I is within 1.0 ps (t1) for all the samples with different x, while it increases from 0 to 16 ps at stage II (t2) due to the reduced exchange coupling. By introducing an additional magneto-elastic energy contribution, the dispersion relation of precession frequency is deduced, by which the field-dependent frequency curves are well fitted.
© 2019 The Japan Society of Applied Physics.
DOI10.7567/1882-0786/ab509b
Indexed BySCIE ; EI
Language英语
Funding ProjectFudan University[] ; [] ; [] ; Applied Basic Research Key Project of Yunnan[2019J0027] ; Yunnan University[] ; National Natural Science Foundation of China[61664009 11674142 11874120 51671057 51671098 51771169]
WOS Research AreaPhysics
WOS SubjectPhysics, Applied
WOS IDWOS:000499936500001
PublisherInstitute of Physics Publishing
EI Accession Number20195207894840
EI KeywordsBinary alloys ; Demagnetization ; Iron alloys ; Magnetization ; Samarium alloys ; Thin films
EI Classification NumberIron Alloys:545.2 ; Rare Earth Metals:547.2 ; Magnetism: Basic Concepts and Phenomena:701.2 ; Light/Optics:741.1
Original Document TypeJournal article (JA)
Citation statistics
Document Type期刊论文
Identifierhttp://ir.lzu.edu.cn/handle/262010/417160
Collection物理科学与技术学院
Affiliation1.School of Physics and Astronomy, Yunnan University, Kunming; 650091, China
2.Department of Optical Science and Engineering, Fudan Universin, 200433, China
3.Key Lab for Magnetism and Magnetic Materials, Ministry of Education, Lanzhou University, Lanzhou; 730000, China
Recommended Citation
GB/T 7714
He, Xiaodong,Wu, Guanjie,Zhao, Bingcheng,et al. Role of magnetostrictive effect in magnetization dynamics of SmFe thin films[J]. Applied Physics Express,2019,12(12).
APA He, Xiaodong.,Wu, Guanjie.,Zhao, Bingcheng.,Zhang, Linlin.,Zhou, Xiaowei.,...&Zhang, Zongzhi.(2019).Role of magnetostrictive effect in magnetization dynamics of SmFe thin films.Applied Physics Express,12(12).
MLA He, Xiaodong,et al."Role of magnetostrictive effect in magnetization dynamics of SmFe thin films".Applied Physics Express 12.12(2019).
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