Crystal structure and physical properties of YbCuZnSb2

被引：2

作者：

Nateprov, A. N. ^{[1
]}

Kravtsov, V. Ch. ^{[1
]}

Moshnyaga, V. ^{[2
]}

Schorr, S. ^{[3
]}

机构：

[1] Moldavian Acad Sci, Inst Appl Phys, MD-2028 Kishinev, Moldova

[2] Univ Gottingen, Inst Phys, D-37077 Gottingen, Germany

[3] Free Univ Berlin, Inst Geol Sci, D-12249 Berlin, Germany

来源：

SURFACE ENGINEERING AND APPLIED ELECTROCHEMISTRY | 2012年 / 48卷 / 04期

关键词：

Ground state;

D O I：

10.3103/S1068375512040126

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The crystal structure of YbCuZnSb2 has been determined for the first time by single-crystal X-ray diffraction analysis. It is shown that YbCuZnSb2 has a CaAl2Si2-type structure, space group is P-3m1, with the following unit cell parameters: a = 4.4394(1) and c = 7.4139(3) . Magnetic susceptibility measurements performed in the temperature range from 2 to 300 K show that ytterbium ions are found in a nonmagnetic 4f (14) ground state (Yb2+). YbCuZnSb2 exhibits p-type conductivity. The temperature dependence of the resistivity has a metallic character. The variations in the Cu/Zn ratio in the synthesized material occur without any disturbance of the structural type. This fact may confirm the existence of a solid solution between the YbZn2Sb2 and YbCuZnSb2 compounds.

引用

页码：375 / 379

页数：5

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