Nickel-based phosphide superconductor with infinite-layer structure, BaNi2P2

被引：113

作者：

Mine, Takashi ^{[1
]}

Yanagi, Hiroshi ^{[1
]}

Kamiya, Toshio ^{[1
,2
]}

Karnihara, Yoichi ^{[2
]}

Hirano, Masahiro ^{[2
]}

Hosono, Hideo ^{[1
,2
]}

机构：

[1] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

[2] Tokyo Inst Technol, Frontier Res Ctr, JST, ERATO SORST,Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

SOLID STATE COMMUNICATIONS | 2008年 / 147卷 / 3-4期

关键词：

superconductor; electronic transport;

D O I：

10.1016/j.ssc.2008.05.010

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Analogous to cuprate high-T-c superconductors, a NiP-based compound system has several crystals in which the Ni-P layers have different stacking structures. Herein, the properties of BaNi2P2 are reported. BaNi2P2 has an infinite-layer structure, and shows a superconducting transition at similar to 3 K. Moreover, it exhibits metallic conduction and Pauli paramagnetism in the temperature range of 4-300 K. Below 3 K, the resistivity sharply drops to zero, and the magnetic susceptibility becomes negative, while the volume fraction of the superconducting phase estimated from the diamagnetic susceptibility reaches similar to 100 vol.% at 1.9 K. These observations substantiate that BaNi2P2 is a bulk superconductor. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：111 / 113

页数：3

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