Fluctuation of vortices in single-crystal Tl2Ba2CuO6 superconductors

F. Zuo, D. Vacaru, H. M. Duan, A. M. Hermann

Research output: Contribution to journalArticlepeer-review

33 Scopus citations


We report magnetization studies on single crystals of Tl2Ba2CuO6 superconductors. For magnetic fields parallel to the c-axis configuration, fluctuations of vortices are observed in this layered compound. The characteristic temperature T* where M is independent of applied field is about 84.2 K. Low-field magnetization measurements show Hc1=0 at Ts=86.5 K while the mean-field transition temperature Tc0=88.8 K. The experimental results strongly suggest the Tl compound is Josephson-coupled between superconducting layers, and the spontaneous excitations are thus the wandering vortex lines rather than pancakes.

Original languageEnglish (US)
Pages (from-to)8327-8330
Number of pages4
JournalPhysical Review B
Issue number13
StatePublished - Jan 1 1993

ASJC Scopus subject areas

  • Condensed Matter Physics


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