Green's function theory of ferromagnetic resonance in magnetic superlattices with damping

IMR OpenIR

	Green's function theory of ferromagnetic resonance in magnetic superlattices with damping
	Qiu, R. K.; Guo, F. F.; Zhang, Z. D.; rkqiu@163.com
	2016
发表期刊	JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
ISSN	0304-8853
卷号	399 页码:228-235
摘要	We explore a quantum Green's-function method to study the resonance absorption of magnetic materials. The relationship between the resonance magnon (spin wave) density and the resonance frequency of a superlattice consisting of two magnetic layers with damping and antiferromagnetic interlayer exchange coupling is studied. The effects of temperature, interlayer coupling, anisotropy, external magnetic field and damping on the the resonance frequency and resonance magnon density are investigated. The resonance excitation probability for a magnon is proportional to the resonance magnon density. In the classic methods, the imaginary part of magnetic permeability represents the resonance absorption in magnetic materials. In the quantum approach, the resonance magnon density can be used to estimate the strength of the resonance absorption. In the present work, a quantum approach is developed to study resonance absorption of magnetic materials and the results show the method to obtain a magnetic multilayered materials with both high resonance frequency and high resonance absorption. (C) 2015 Elsevier B.V. All rights reserved.
部门归属	[qiu, r. k. ; guo, f. f.] shenyang univ technol, shenyang 110870, peoples r china ; [zhang, z. d.] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china
关键词	Quantum Green's-function Method Resonance Magnon Density Resonance Frequency Magnetic Superlattice With Damping
资助者	National Natural Science Foundation of China [51331006]
收录类别	sci
语种	英语
WOS记录号	WOS:000363463700037
引用统计	被引频次：3[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/74870
专题	中国科学院金属研究所
通讯作者	rkqiu@163.com
推荐引用方式 GB/T 7714	Qiu, R. K.,Guo, F. F.,Zhang, Z. D.,et al. Green's function theory of ferromagnetic resonance in magnetic superlattices with damping[J]. JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,2016,399:228-235.
APA	Qiu, R. K.,Guo, F. F.,Zhang, Z. D.,&rkqiu@163.com.(2016).Green's function theory of ferromagnetic resonance in magnetic superlattices with damping.JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS,399,228-235.
MLA	Qiu, R. K.,et al."Green's function theory of ferromagnetic resonance in magnetic superlattices with damping".JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 399(2016):228-235.