First-order phase transition in the ternary sulfide NiV2S 4

Y. K. Kuo, K. M. Sivakumar, J. Y. Lin, C. N. Kuo, C. S. Lue

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5 Citations (Scopus)

Abstract

We report our investigations of the electrical resistivity, Seebeck coefficient, thermal conductivity, and heat capacity on the ternary sulfide NiV2S4 as a function of temperature. All measured physical quantities exhibit pronounced anomalies at around 165K, with a significant hysteresis of about 10K. The results of electrical transport measurements show conventional metallic-like characteristics below and above the transition, indicative of the first-order metal-metal transition in NiV2S 4. The anomalous features of NiV2S4 are compared to those of other thiospinels, and possible origins responsible for the present transition are provided.

Original languageEnglish
Article number216210
JournalJournal of Physics Condensed Matter
Volume19
Issue number21
DOIs
Publication statusPublished - 2007 May 30

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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