Phase transitions in MnO and FeO at low temperatures: A neutron powder diffraction study

被引：25

作者：

Kantor, AP

Dubrovinsky, LS ^{[1
]}

Dubrovinskaia, NA

Kantor, IY

Goncharenko, IN

机构：

[1] Univ Bayreuth, Bayer Geoinst, D-95440 Bayreuth, Germany

[2] CEA Saclay, Leon Brillouin Lab, Gif Sur Yvette, France

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2005年 / 402卷 / 1-2期

关键词：

neutron diffraction; phase transition;

D O I：

10.1016/j.jallcom.2005.04.155

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：

A powder neutron diffraction study of MnO and Fe0.92O was conducted at temperatures between 1.5 and 298 K in order to establish the relationship between magnetic and structural phase transformations. For MnO a strong coupling between magnetic ordering and cubic-to-rhombohedral transitions, as predicted by theory, could not be confirmed, neither rejected. For Fe0.92O a structural distortion was observed at a temperature of similar to 50 K lower than the Neel transition, implying indirect relations between the two phenomena. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：42 / 45

页数：4

共 16 条

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