Magnetization in molecular iron rings

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	Magnetization in molecular iron rings
	Loss, D; Normand, B; Wang, X; Zotos, X; Normand, B , Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
刊名	PHYSICAL REVIEW B
	2001
卷号	63 期号:18 页码:-
关键词	Torque Magnetometry Anisotropy Magnets Clusters Fe-6 Ions
ISSN号	0163-1829
英文摘要	The organometallic ring molecules Fe-6 and Fe-10 are leading examples of a class of nanoscopic molecular magnets which have been of intense recent interest both for their intrinsic magnetic properties and as candidates for the observation of macroscopic quantum coherent phenomena. Torque magnetometry experiments have been performed to measure the magnetization in single crystals of both systems. We provide a detailed interpretation of these results, with a view to full characterization of the material parameters. We present both the most accurate numerical simulations performed to date for ring molecules, using exact diagonalization and density-matrix renormalization-group techniques, and a semiclassical description for purposes of comparison. The results permit quantitative analysis of the variation of critical fields with angle, of the nature and height of magnetization and torque steps, and of the width and rounding of the plateau regions in both quantities.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000168730200058
公开日期	2012-08-29
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/12760]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Normand, B , Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
推荐引用方式 GB/T 7714	Loss, D,Normand, B,Wang, X,et al. Magnetization in molecular iron rings[J]. PHYSICAL REVIEW B,2001,63(18):-.
APA	Loss, D,Normand, B,Wang, X,Zotos, X,&Normand, B , Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany..(2001).Magnetization in molecular iron rings.PHYSICAL REVIEW B,63(18),-.
MLA	Loss, D,et al."Magnetization in molecular iron rings".PHYSICAL REVIEW B 63.18(2001):-.