Characteristic H-T boundaries and dissipation in YBa2Cu3O7-δ crystals

M. M. Miller, M. S. Osofsky, R. J. Soulen, S. A. Wolf, J. L. Cohn, E. F. Skelton, T. A. Vanderah

Research output: Contribution to journalArticlepeer-review


Characteristic H-T boundaries of a YBa2Cu3O7-δ crystal were determined form V(I) measurements for 0≤H≤6T with H∥ab and H∥c. These boundaries have the form H∼(Tc-T)x where x can be consistent with predictions of the vortex-glass model. However, such a temperature dependence is also consistent with an alternate, granular superconductor model. Furthermore, magnetization and resistivity measurements suggest that a granular, percolating superconductor model is more appropriate than the vortex-glass model.

Original languageEnglish (US)
Pages (from-to)2229-2230
Number of pages2
JournalPhysica C: Superconductivity and its applications
Issue numberPART 4
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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