High pressure study on quasi-one-dimensional compounds M2Mo6X6

P. H. Hor, R. L. Meng, C. W. Chu, J. M. Tarascon, M. K. Wu

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Abstract

We have investigated resistively the M2Mo6X6 polycrystalline compounds under pressures up to 160 kbar down to 1 K. The broad M-I transition and the activation energy during the transition are suppressed monotonically by pressure. Superconductivity has been induced in K2Mo6Se6, K2Mo6Te6, Na2Mo6Te6, Na2Mo6Se6 and Rb2Mo6 Se6 by pressure with a transition temperature Tc between 1 and 4 K. A large resistance-increase prior to the superconducting transition is always observed. While the critical pressure for the induction of superconductivity depends on M, the Tc-behavior under pressure is affected only by X.

Original languageEnglish
Pages (from-to)245-247
Number of pages3
JournalPhysica B+C
Volume135
Issue number1-3
DOIs
Publication statusPublished - 1985 Dec 2

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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