Observation of flux lattice melting in YBCO by small angle neutron scattering

M. T. Wylie, E. M. Forgan, S. Lloyd, S. Lee, R. Cubitt, M. Yethiraj, H. A. Mook

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


We have performed detailed SANS investigations on a large, high quality, twinned YBCO single crystal. The crystal was oriented with H 51 degrees to c to reduce the effect of twin plane pinning. The diffracted intensity was found to disappear at a temperature well below Hc2(T). The data is consistent with a Lindemann melting criterion, giving a physically reasonable value for cL of 0.15 that is in good agreement with previous work. The disappearance of the diffracted intensity coincides with the irreversibility line as measured by an inductance technique.

Original languageEnglish
Pages (from-to)1569-1570
Number of pages2
JournalCzechoslovak Journal of Physics
Issue numberSUPPL. 3
Publication statusPublished - 1996


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