Magnetization in molecular iron rings

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	Magnetization in molecular iron rings
	Normand, B; Wang, X; Zotos, X; Loss, D; Normand, B , Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany.
	2001
发表期刊	PHYSICAL REVIEW B
ISSN	0163-1829
卷号	63 期号:18 页码:-
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.
部门归属	Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany; Univ Basel, Dept Phys & Astron, CH-4056 Basel, Switzerland; PPH Ecublens, Inst Romand Rech Numer Phys Mat, CH-1015 Lausanne, Switzerland; Max Planck Inst Phys Komplexer Syst, D-01187 Dresden, Germany; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词	Torque Magnetometry Anisotropy Magnets Clusters Fe-6 Ions
学科领域	Physics
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收录类别	SCI
WOS记录号	WOS:000168730200058
引用统计
文献类型	期刊论文
条目标识符	http://ir.itp.ac.cn/handle/311006/12760
专题	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	Normand, B,Wang, X,Zotos, X,et al. Magnetization in molecular iron rings[J]. PHYSICAL REVIEW B,2001,63(18):-.
APA	Normand, B,Wang, X,Zotos, X,Loss, D,&Normand, B , Univ Augsburg, Inst Phys, D-86135 Augsburg, Germany..(2001).Magnetization in molecular iron rings.PHYSICAL REVIEW B,63(18),-.
MLA	Normand, B,et al."Magnetization in molecular iron rings".PHYSICAL REVIEW B 63.18(2001):-.

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