Specific heat of (BiPb)2Sr2Ca2Cu3O10-y from 78 to 300 K

J. E. Gordon, S. Prigge, S. J. Collocott, R. Driver

Research output: Contribution to journalArticle

Abstract

The specific heat anomaly of a polycrystalline sample of BPSCCO (2223 phase) was found to have a peak height δC(Tc)/Tc ≈ 24 mJ/mole K2 at Tc ≈ 107 K. The anomaly provides evidence for a fluctuation contribution above Tc, whereas below Tc it is not possible to separate fluctuation and strong-coupling effects. A second, considerably smaller, anomaly appears at T ≈ 101 K when the sample is cooled rapidly from 140 K to 78 K.

Original languageEnglish (US)
Pages (from-to)1351-1352
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume185-189
Issue numberPART 2
DOIs
StatePublished - Dec 1 1991
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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