Study of chevrel phase compounds InMo6(Se1-xSx)8 under high pressure

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

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Abstract

The pressure dependence of the superconducting transition in the Chevrel compounds InMo6(Se1-xSx)8, with x = 0.0, 0.18 and 0.30 was determined magnetically up to a hydrostatic pressure of 17 kbar using a clamp technique. The rhombohedral to rhombohedral structural transition was measured resistively for the x = 0.18 compound under quaihydrostatic pressures up to 25 kbar employing an anvil-arrangement. Pressure was found to suppressed to superconducting transition temperature Tc while enhancing the structure transition temperature TL of InMo6(Se1-xSx)8, in general. In fact, the negative pressure effect on the Tc of InMo6Se8 observed is the largest among the non-rare-earth ternary Chevrel selenides. However, the Tc of InMo6(Se0.82S0.18)8 increases with pressures above 10 kbar following the initial decrease. The results and their implications will be discussed.

Original languageEnglish
Pages (from-to)248-251
Number of pages4
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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