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25 April 2024

» arxiv » cond-mat/0211232

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Pressure induced Superconductor-Insulator transition in the spinel compound CuRh2S4
M. Ito ; J. Hori ; H. Kurisaki ; H. Okada ; A. J. Perez Kuroki ; N. Ogita ; M. Udagawa ; H. Fujii ; F. Nakamura ; T. Fujita ; T. Suzuki ;
Date:	12 Nov 2002
Journal:	Phys. Rev. Lett. 91, 077001 (2003)
Subject:	Superconductivity; Strongly Correlated Electrons \| cond-mat.supr-con cond-mat.str-el
Abstract:	We performed resistivity measurements in CuRh$_{2}$S$_{4}$ under quasi-hydrostatic pressure of up to 8.0 GPa, and found a pressure induced superconductor-insulator (SI) transition. Initially, with increasing pressure, the superconducting transition temperature $T_c$ increases from 4.7 K at ambient pressure to 6.4 K at 4.0 GPa, but decreases at higher pressures. With further compression, superconductivity in CuRh$_{2}$S$_{4}$ disappears abruptly at a critical pressure $P_{ m SI}$ between 5.0 and 5.6 GPa, when it becomes an insulator.
Source:	arXiv, cond-mat/0211232
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