Depairing field, onset temperature and the nature of the transition in cuprates

  • Lu Li
  • , Yayu Wang
  • , J. G. Checkelsky
  • , M. J. Naughton
  • , Seiki Komiya
  • , Shimpei Ono
  • , Yoichi Ando
  • , N. P. Ong

Research output: Contribution to journalArticlepeer-review

Abstract

The depairing (upper critical) field Hc2 in hole-doped cuprates has been inferred from magnetization curves M-H measured by torque magnetometry in fields H up to 45 T. We discuss the implications of the results for the pair binding energy, onset temperature, fluctuation diamagnetism and the nature of the Meissner transition at Tc.

Original languageEnglish (US)
Pages (from-to)48-51
Number of pages4
JournalPhysica C: Superconductivity and its Applications
Volume460-462 I
Issue numberSPEC. ISS.
DOIs
StatePublished - Sep 1 2007

All Science Journal Classification (ASJC) codes

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

Keywords

  • Cuprates
  • Magnetization
  • Upper critical field
  • Vortex liquid

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