Pressure effects on the charge-density-wave phases in 2 H-TaSe2

C. W. Chu, L. R. Testardi, F. J. Di Salvo, D. E. Moncton

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

The transition temperatures from the commensurate to incommensurate phase (Td) and from the incommensurate to normal phase (T0) in 2 H-TaSe2 have been determined as a function of hydrostatic pressure up to 18 kbar. We found that while T0 increases only slightly with pressure, Td falls rapidly as (1-PPc)12 under pressure, extrapolating to a critical pressure Pc of 17 kbar for the complete stabilization of the incommensurate phase. We conclude that the interlayer coupling can not be neglected in discussing the stability of the charge-density-wave state.

Original languageEnglish
Pages (from-to)464-467
Number of pages4
JournalPhysical Review B
Volume14
Issue number2
DOIs
Publication statusPublished - 1976

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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