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.
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页数：4
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