Long range correlations of the vortex structure in YBCO single crystals

D. López, G. Nieva, F. de la Cruz

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Transport measurements in the mixed state of YBa2Cu3O7 single crystals using the "DC flux transformer" configuration show that the glass-liquid phase transition at the irreversibility line, TI(H), behaves as a three dimensional vortex phase transition. These results together with resistance measurements in the c direction show that the vortex correlation across the sample is destroyed at a temperature Tth(H), higher than TI(H). The sample thickness dependence of Tth(H) suggest that in the real thermodynamic phase transition (infinite sample), the long range correlation in the ab plane as well in the c direction is lost at the single temperature TI(H).

Original languageEnglish (US)
Pages (from-to)2575-2576
Number of pages2
JournalPhysica C: Superconductivity and its applications
Volume235-240
Issue numberPART 4
DOIs
StatePublished - Dec 1994

All Science Journal Classification (ASJC) codes

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

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