Crystal structure and magnetic properties of CeV2Al20 and CeCr2Al20

被引：30

作者：

Moze, O

Tung, LD

Franse, JJM

Buschow, KHJ

机构：

[1] Univ Amsterdam, Van der Waals Zeeman Lab, NL-1018 XE Amsterdam, Netherlands

[2] Univ Modena, Dipartimento Fis, Ist Nazl Fis Mat, I-41100 Modena, Italy

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1998年 / 268卷 / 1-2期

关键词：

ternary cerium aluminides; structure determination; magnetic properties; Ce valency; neutron diffraction;

D O I：

10.1016/S0925-8388(97)00586-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The crystal structures of the compounds CeV2Al20 and CeCr2Al20 have been studied by time-of-flight neutron diffraction at room temperature. These compounds have the cubic ZrZn22 type of structure characterised by a single rare earth site and four non-rare earth sites. The neutron diffraction data show that these compounds are true ternary compounds in which the Ce atom occupies exclusively only one of these sites. From magnetic measurements it is derived that Ce is tetravalent. (C) 1998 Elsevier Science S.A.

引用

页码：39 / 41

页数：3

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