Polarized neutron investigation in the mixed-valence compound Sm3Te4 at different temperatures

被引：4

作者：

Boucherle, JX ^{[1
]}

Givord, F

Schweizer, J

Gukasov, A

Mignot, JM

Lelièvre-Berna, E

Aoki, H

Ochiai, A

机构：

[1] CEA Grenoble, MDN, SPSMS, Dept Rech Fondamentale Mat Condensee, F-38054 Grenoble 9, France

[2] CEA Saclay, CNRS, CEA, Leon Brillouin Lab, F-91191 Gif Sur Yvette, France

[3] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France

[4] Niigata Univ, Dept Mat Sci & Technol, Niigata 9502181, Japan

[5] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan

来源：

PHYSICA B | 2000年 / 281卷

关键词：

polarized-neutron diffraction; samarium compounds; mixed valence states;

D O I：

10.1016/S0921-4526(99)00960-6

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Cubic Sm3Te4 can be characterized as a semiconducting, inhomogeneous mixed-valence system. No evidence of charge ordering has been found. The magnetization density was previously measured at 1.5K using polarized neutrons with a magnetic field applied along a twofold axis: the Sm atoms are distributed on two subsites with very different induced moments. A new experiment performed with the field applied along a fourfold axis at two temperatures (T = 1.5 and 100 K) shows the role of the anisotropy of the Sm3+ ions. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：139 / 140

页数：2

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