Superconductivity at 3.85 K in BaPd2As2 with the ThCr2Si2-type structure

被引：18

作者：

Guo, Qi ^{[1
,2
]}

Yu, Jia ^{[1
,2
]}

Ruan, Bin-Bin ^{[1
,2
]}

Chen, Dong-Yun ^{[1
,2
]}

Wang, Xiao-Chuan ^{[1
,2
]}

Mu, Qing-Ge ^{[1
,2
]}

Pan, Bo-Jin ^{[1
,2
]}

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

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

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

来源：

EPL | 2016年 / 113卷 / 01期

基金：

中国国家自然科学基金;

关键词：

RARE-EARTH-METAL; BA; APD2X2-COMPOUNDS; PNICTIDES; SR;

D O I：

10.1209/0295-5075/113/17002

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The single crystal of ThCr2Si2-type BaPd2As2 was successfully prepared by a self-flux method, and the crystal structure was characterized by X-ray diffraction method with the lattice parameters a = 4.489(2) angstrom and c = 10.322(3) angstrom (space group I4/mmm, No. 139). Bulk super-conductivity below a T-c (critical temperature) of 3.85K was revealed in this compound by the measurements of resistivity, magnetic susceptibility and specific heat, and this T-c is much higher than those of other isostructural Pd-based superconductors. Copyright (C) EPLA, 2016

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