Structure and physical properties of ternary antimonide YbCrSb3

被引：27

作者：

Crerar, SJ ^{[1
]}

Deakin, L ^{[1
]}

Mar, A ^{[1
]}

机构：

[1] Univ Alberta, Dept Chem, Edmonton, AB T8G 2G2, Canada

来源：

CHEMISTRY OF MATERIALS | 2005年 / 17卷 / 10期

关键词：

D O I：

10.1021/cm0506151

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：

The ternary rare-earth antimonide YbCrSb3 was prepared by arc-melting of the elements. Its structure was determined by single-crystal X-ray diffraction (Pearson symbol oP20, orthorhombic, space group Pbcm, Z = 4, a = 12.981(3) angstrom, b = 6.140(1) angstrom, c = 5.993(1) angstrom). YbCrSb3 is isostructural to LaCrSb3 and CeCrSb3, and extends the RECrSb3 series (previously known for RE = La, Ce, Pr, Nd, Sm, Gd, Tb, Dy) to the latest rare-earth member yet and to one that is essentially divalent instead of trivalent. Electrical resistivity measurements on single crystals and magnetic susceptibility measurements on powders revealed a magnetic ordering transition at T-C = similar to 280 K, the highest observed so far in the RECrSb3 series. The isothermal magnetization at 100 K indicated an approach to saturation, but with low values (0.08 mu(B)/mol at 9 T). These results suggest a ferromagnetic or canted antiferromagnetic structure.

引用

页码：2780 / 2784

页数：5

共 26 条

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