SYNTHESIS, STRUCTURE, AND MAGNETIC-PROPERTIES OF THE SODIUM IRON CHALCOGENIDES NA6FES4 AND NA6FESE4

被引:23
作者
BRONGER, W
BALKHARDTDEGEN, H
RUSCHEWITZ, U
机构
[1] Institut für Anorganische Chemie, RWTH, Aachen
来源
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE | 1992年 / 616卷 / 10期
关键词
SODIUM IRON CHALCOGENIDES; NA6FES4; NA6FESE4; PREPARATION; CRYSTAL STRUCTURE;
D O I
10.1002/zaac.19926161003
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The compounds Na6FeS4 and Na6FeSe4 have been synthesized by fusion reactions of sodium carbonate with iron and chalcogen in a stream of hydrogen. Structural investigations on single crystals show that both compounds crystallize in an atomic arrangement isotypic with Na6ZnO4 (space group P63mc). The structure is characterized by isolated [FeX4]-tetrahedra. The magnetic susceptibilities show Curie-Weiss behaviour. The deviations at low temperatures are obviously caused by antiferromagnetic interactions.
引用
收藏
页码:14 / 18
页数:5
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