期刊
SOLID STATE COMMUNICATIONS
卷 147, 期 3-4, 页码 111-113出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2008.05.010
关键词
superconductor; electronic transport
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.
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