Giant coercivity in a one-dimensional cobalt-radical coordination magnet

被引：258
作者：
Ishii, Norio [1 ]
Okamura, Yoshitomo [1 ]
Chiba, Susumu [1 ]
Nogami, Takashi [1 ]
Ishida, Takayuki [1 ,2 ]
机构：
[1] Univ Electrocommun, Dept Appl Phys & Chem, Tokyo 1828585, Japan
[2] Univ Electrocommun, Course Coherent Opt Sci, Tokyo 1828585, Japan
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 01期
关键词：
D O I：
10.1021/ja077666e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A metal-radical polymer (Co(hfac)(2) BPNN] showed a very large coercive field of 52 kOe (4.1 MA m(-1)) at 6 K, indicating that it is the hardest magnet ever reported. Above 10 K, a soft character appeared, owing to the fast dynamics of magnetization reorientation.
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页码：24 / +
页数：3
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