Structural and magnetic ordering in La0.6Ca0.4MnO3

被引：14
|
作者：
Das, A [1 ]
Chakraborty, KR
Gupta, SS
Kulshreshtha, SK
Paranjpe, SK
机构：
[1] Bhabha Atom Res Ctr, Div Solid State Phys, Trombay 400085, Mumbai, India
[2] Bhabha Atom Res Ctr, Novel Mat & Struct Chem Div, Trombay 400085, Mumbai, India
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2001年 / 237卷 / 01期
关键词：
magnetic oxides; neutron powder diffraction; magnetic order; neutron depolarization;
D O I：
10.1016/S0304-8853(01)00495-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structural and magnetic ordering in La0.6Ca0.4MnO3 has been studied by neutron powder diffraction as a function of temperature between 15 and 300 K. The para-ferromagnetic transition at T similar to 250 K is accompanied by significant structural distortions in the form of octahedral Mn-O-6 rotations. At 15 K, the total refined ferromagnetic moment on the Mn site was obtained as 3.1 mu (B), in reasonable agreement with the total expected average moment of mixed Mn3+/Mn4+ matrix. (C) 2001 Published by Elsevier Science B.V.
引用
收藏
页码：41 / 46
页数：6
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