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Condens. Matter 2018, 3(1), 1; https://doi.org/10.3390/condmat3010001

Single Crystal Growth and Superconducting Properties of Antimony-Substituted NdO0.7F0.3BiS2

1
Department of Physics, Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan
2
The World Premier International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
*
Author to whom correspondence should be addressed.
Received: 25 October 2017 / Revised: 18 December 2017 / Accepted: 19 December 2017 / Published: 27 December 2017
(This article belongs to the Special Issue Layered Superconductors)
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Abstract

Antimony (Sb) substitution of less than 8% was examined on a single crystal of a layered superconductor NdO0.7F0.3BiS2. The superconducting transition temperature of the substituted samples decreased as Sb concentration increased. A lattice constant along the c-axis showed a large decrease compared with that along the a-axis. Since in-plane chemical pressure monotonically decreased as Sb concentration increased, the suppression of the superconductivity is attributed to the decrease in the in-plane chemical pressure. View Full-Text
Keywords: BiS2-based superconductor; flux growth; layered structure; superconducting properties; magnetic susceptibility measurement; electrical resistivity measurement BiS2-based superconductor; flux growth; layered structure; superconducting properties; magnetic susceptibility measurement; electrical resistivity measurement
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Demura, S.; Otsuki, S.; Fujisawa, Y.; Takano, Y.; Sakata, H. Single Crystal Growth and Superconducting Properties of Antimony-Substituted NdO0.7F0.3BiS2. Condens. Matter 2018, 3, 1.

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