Excess specific heat due to phase transition in blue molybdenum oxide bronze Tl0.3MoO3

Mingliang Tian, Decheng Tian, Zhaojia Chen, Keqin Wang, Zhiqiang Mao

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Specific heat of Blue Molybdenum Oxide Bronze Tl0.3 MoO3 was measured from 80K to 200K. It was found that an excess specific heat spanned over a range from 164K to 184K with a peak at about 172K. The excess specific heat has been attributed to Peierls transition in the crystal and nearly symmetrical form of ΔCp - T curve explained as a result of inhomogeneous distribution of defect. The value of enthalpy change due to phase transition is about 46.71mJ/g. The corresponding entropy change ΔS is about 368.28×10-3mJ/g.K.

Original languageEnglish (US)
Pages (from-to)75-77
Number of pages3
JournalSolid State Communications
Volume71
Issue number2
DOIs
StatePublished - Jan 1 1989

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics

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