Magnetic and Transport Properties of the Kondo Lattice Compound YbPtAs

被引：0

作者：

Liang, Hui ^{[1
,2
,3
]}

Zhang, Shuai ^{[1
,2
]}

Long, Yu-Jia ^{[1
,2
]}

He, Jun-Bao ^{[1
,2
]}

Li, Jing ^{[1
,2
,3
]}

Wang, Xin-Min ^{[1
,2
,3
]}

Ren, Zhi-An ^{[1
,2
,3
,4
]}

Chen, Gen-Fu ^{[1
,2
,3
,4
]}

机构：

[1] Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China

[2] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China

[3] Univ Chinese Acad Sci, Sch Phys Sci, Beijing 100049, Peoples R China

[4] Collaborat Innovat Ctr Quantum Matter, Beijing 100190, Peoples R China

来源：

CHINESE PHYSICS LETTERS | 2018年 / 35卷 / 07期

基金：

中国国家自然科学基金;

关键词：

HIGH-TEMPERATURE SUPERCONDUCTIVITY; RARE-EARTH ELEMENT; SUSCEPTIBILITY; RESISTIVITY; MAXIMUM; SYSTEMS; HEAT;

D O I：

10.1088/0256-307X/35/7/077503

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the electrical resistivity, magnetic susceptibility, and heat capacity studies on a new intermetallic compound YbPtAs, which crystallizes in a modified A1B(2) type structure. The Yb ions in YbPtAs are in a trivalent state and order antiferromagnetically around Neel temperatures T-N1 = 6.5 K and T-N2 = 2.2 K, respectively, deduced both from the magnetic susceptibility chi(T) and heat capacity C(T) measurements. The magnetic contribution in resistivity, rho(m)(T), exhibits a broad maximum at around 100 K and a logarithmic temperature dependence in the high-temperature region, indicative of the presence of the Kondo effect in YbPtAs.

引用

页数：4

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