Heterogeneous mixed valence in YbPd3S4:: evidence from 170Yb Mossbauer and x-ray LIII-edge absorption measurements

被引：13

作者：

Bonville, P ^{[1
]}

Godart, C

Alleno, E

Takabashi, F

Matsuoka, E

Ishikawa, M

机构：

[1] CEA, Ctr Etud Saclay, Serv Phys Etat Condense, F-91191 Gif Sur Yvette, France

[2] CNRS, Grp Lab Thiais, LCMTR, F-94320 Thiais, France

[3] Univ Tokyo, Inst Solid State Phys, Minato Ku, Tokyo 1068666, Japan

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2003年 / 15卷 / 17期

关键词：

D O I：

10.1088/0953-8984/15/17/102

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

The intermetallic bronze YbPd3S4 is shown to be a heterogeneous mixed-valence system, by means of Yb-170 Mossbauer spectroscopy and x-ray L-III-edge absorption and magnetic measurements. Two valence states coexist in this compound: Yb3+ and close-to-divalent Yb. The trivalent fraction (about 50%) undergoes a transition to magnetic ordering at about 2 K, with the Gamma(7) doublet as the ground crystal field state. The possibility of charge (or valence) ordering is discussed.

引用

页码：L263 / L269

页数：7

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