NEW 3-DIMENSIONAL FERRIMAGNETIC MATERIALS - K2MN[MN(CN)(6)], MN-3[MN(CN)(6)]CENTER-DOT(2)12H2O, AND CSMN[MN(CN)(6)]CENTER-DOT-1/2H2O

被引：199
|
作者：
ENTLEY, WR
GIROLAMI, GS
机构：
[1] UNIV ILLINOIS,SCH CHEM SCI,URBANA,IL 61801
[2] UNIV ILLINOIS,FREDERICK SEITZ MAT RES LAB,URBANA,IL 61801
来源：
INORGANIC CHEMISTRY | 1994年 / 33卷 / 23期
关键词：
D O I：
10.1021/ic00101a003
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The cyanomanganate complexes K2MnII[Mn-II(CN)(6)], Mn-3(II)[Mn-III(CN)(6)](2).12H(2)O, and CsMnII[Mn-III(CN)(6)].1/2H(2)O have perovskite-like lattices and are new examples of magnetic materials prepared from molecular building blocks. The compounds have magnetic ordering temperatures of 41, 37, and 31 K, respectively, and exhibit magnetic hysteresis with high coercive fields of 370-1100 G. The results suggest that, for these manganese-based Prussian blue analogues, the principal factors that lead to higher magnetic ordering temperatures are an ordered vacancy free structure and a larger number of antiferromagnetic contributions to the superexchange.
引用
收藏
页码：5165 / 5166
页数：2
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