High-field ferromagnetic resonance in fine particles

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	High-field ferromagnetic resonance in fine particles
	Respaud M; Goiran M; Yang F; Broto JM; Ely TO; Amiens C; Chaudret B; Askenazy S; Broto JM Inst Natl Sci Appl SNCMP Complexe Sci Rangueil F-31077 Toulouse France. 电子邮箱地址: Broto@insatlse.fr
	1998
会议名称	5th International Symposium on Research in High Magnetic Fields
会议录名称	PHYSICA B-CONDENSED MATTER, 246
页码	580-583
会议日期	AUG 04-06, 1997
会议地点	SYDNEY, AUSTRALIA
出版地	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
出版者	ELSEVIER SCIENCE BV
ISSN	0921-4526
部门归属	inst natl sci appl, sncmp, f-31077 toulouse, france; inst natl sci appl, lpmc, f-31077 toulouse, france; cas, inst semicond, nlsm, beijing, peoples r china; cnrs, chim coordinat lab, f-31077 toulouse, france
摘要	We investigate high-field ferromagnetic resonance of superparamagnetic particles with uniaxial anisotropy, In this case, since the field is large enough to saturate the magnetization, the thermal orientational fluctuations of the magnetic moment of the particle are negligible. Thus, we derive the dynamic susceptibility of the system on the basis of an independent particle model. High-field ferromagnetic resonance has been performed on fine cobalt particles, The analysis of the spectra obtained at different frequencies allows us to estimate the effective magnetic anisotropy, the gyromagnetic ratio, and the transverse relaxation time. (C) 1998 Elsevier Science B.V. All rights reserved.
关键词	High-field Ferromagnetic Resonance Fine Particles
学科领域	半导体物理
收录类别	CPCI-S
语种	英语
文献类型	会议论文
条目标识符	http://ir.semi.ac.cn/handle/172111/15073
专题	中国科学院半导体研究所（2009年前）
通讯作者	Broto JM Inst Natl Sci Appl SNCMP Complexe Sci Rangueil F-31077 Toulouse France. 电子邮箱地址: Broto@insatlse.fr
推荐引用方式 GB/T 7714	Respaud M,Goiran M,Yang F,et al. High-field ferromagnetic resonance in fine particles[C]. PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS:ELSEVIER SCIENCE BV,1998:580-583.

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