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
收藏
页码：609 / 610
页数：2
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