The observation of two compensation temperatures in a cobalt-manganese hexacyanochromate

被引：25
|
作者：
Ohkoshi, S
Hozumi, T
Utsunomiya, M
Abe, M
Hashimoto, K
机构：
[1] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538904, Japan
[2] Sci Univ Tokyo, Fac Sci & Technol, Dept Ind Engn Chem, Noda, Chiba 278, Japan
来源：
PHYSICA B-CONDENSED MATTER | 2003年 / 329卷
关键词：
ferromagnetism; ferrimagnetism; compensation temperature; Prussian blue analogs;
D O I：
10.1016/S0921-4526(02)01995-6
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We have prepared a new series of ternary metal Prussian blue analogs, K-a([) ((CoxMn1-xII)-Mn-II)(1.5-0.5a)[Cr-III(CN)(6)] (.) zH(2)O, incorporating ferromagnetic interaction between Co-II and Cr-III ions and antiferromagnetic interaction between Mn-II and Cr-III ions. The material for the composition of (a, x) = (0.18,0.39) exhibited two compensation temperatures of 34 and 14 K, i.e., the spontaneous magnetization changed its sign twice with changing temperature. This material is the second example of the bulk magnet exhibiting two compensation temperatures. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：691 / 692
页数：2
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