μSR study of [Mn12O12(O2CC6H5)16(H2O)4]•2C6H5CO2H

被引：5

作者：

Takeda, K ^{[1
]}

Awaga, K

Ohira, S

Watanabe, I

机构：

[1] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan

[2] Nagoya Univ, Grad Sch Sci, Dept Chem, Nagoya, Aichi 4648602, Japan

[3] RIKEN, Inst Phys & Chem Res, Wako, Saitama 3510198, Japan

来源：

SYNTHETIC METALS | 2003年 / 133卷

关键词：

Muon spin relaxation; Mn-12; cluster; blocking temperature;

D O I：

10.1016/S0379-6779(02)00362-4

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The crystals of a Mn-12 cluster, [Mn12O12(O2CC6H5)(16)(H2O)(4)]-2C(6)H(5)CO(2)H, are mosaic involving two kinds of molecules with different relaxation rates. The ratios of the two components in the crystals are strongly batch-dependent. We prepared a batch of crystals in which mainly contained the fast relaxation (FR) species and studied the muon spin relaxation (muSR) measurements in the range 0.3-80 K at zero-field (ZF). As the temperature was lowered, the decay of the muon asymmetry showed systematic temperature dependence: the dynamic and the static behavior of the internal-field appear alternately. This is probably due to the magnetization blocking of the FR molecule. (C) 2002 Elsevier Science B.V All rights reserved.

引用

页码：609 / 610

页数：2

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