Observation of vortex lattice melting in large untwinned YBa$_2$Cu$_3$O$_{7-x}$ single crystals

A. Rykov; C. Ager; C.M. Aegerter; D. McK. Paul; E.M. Forgan; H. Keller; I.M. Savic; M. Yethiraj; P.G.Kealey; R. Cubitt

arxiv: cond-mat/0305593 · v1 · submitted 2003-05-26 · ❄️ cond-mat.supr-con

Observation of vortex lattice melting in large untwinned YBa₂Cu₃O_(7-x) single crystals

C.M. Aegerter , H. Keller , S.H. Lloyd , P.G.Kealey , E.M. Forgan , S.T. Johnson , T.M. Riseman , R. Cubitt

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S.L. Lee C. Ager D. McK. Paul I.M. Savic M. Yethiraj S. Tajima A. Rykov

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classification ❄️ cond-mat.supr-con

keywords meltinganglecrystalslatticemeasurementstemperatureuntwinnedvortex

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We present a study of the vortex lattice in untwinned YBa$_2$Cu$_3$O$_{7-x}$ crystals, using a combination of muon spin rotation and neutron small angle scattering measurements. Both methods show a very sharp melting temperature consistent with a first order transition. The dependence of the melting temperature on the angle of the field with respect to the crystallographic c-axis is studied. The results are compared to thermal measurements.

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Observation of vortex lattice melting in large untwinned YBa₂Cu₃O_(7-x) single crystals

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