CRYSTAL STRUCTURES AND MAGNETIC PROPERTIES OF COMPOUNDS TYPE La2Fe2S5.

被引：0
|
作者：
Besrest, F.
Collin, G.
Flahaut, J.
Gorochov, O.
Plumier, R.
机构：
来源：
| 1974年
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中图分类号：
O6 [化学]; TQ [化学工业];
学科分类号：
0703 ; 0817 ;
摘要：
La//2Fe//2S//5 is orthorhombic with a equals 11. 394, b equals 16. 485, c equals 3. 997 (Z equals 4). The Fe atoms are in octahedral and tetrahedral sites and are localized in infinites chains along c axis. Magnetic properties show important deviation from Curie-Weiss-law with a weak ferromagnetism at low temperature. The magnetic structure has been determinated and shows super and super-super exchange interactions in the chains and between adjacent chains. Superstructure of formule La//2Fe//2// minus //xS//5 are studied.
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页码：962 / 970
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