Polarized neutron study of the magnetization density in La0.8Sr0.2MnO3

被引：7
|
作者：
Pierre, J
Gillon, B
Pinsard, L
Revcolevschi, A
机构：
[1] CNRS, Lab Magnetisme L Neel, F-38042 Grenoble, France
[2] CEA, CNRS, Lab Leon Brillouin, F-91191 Gif Sur Yvette, France
[3] CNRS, Lab Chim Solides, URA 446, F-91405 Orsay, France
来源：
EUROPHYSICS LETTERS | 1998年 / 42卷 / 01期
关键词：
D O I：
10.1209/epl/i1998-00556-5
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The magnetization density has been studied; by polarized neutron scattering in the ferromagnetic La0.8Sr0.2MnO3 manganite at 20 K and at 290 K, close to the Curie point. A weak preponderance of t(2g) Mn wave functions is observed, as well as a positive polarization on oxygen. At low temperature, the density on Mn corresponds to a well-localized moment of 3 mu(B) and a more diffuse component. Heating the sample leads to a non-uniform renormalization of the magnetization density.
引用
收藏
页码：85 / 90
页数：6
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