Actions for Vortex lattice structures in YNi{sub 2}B{sub 2}C [electronic resource].

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Vortex lattice structures in YNi{sub 2}B{sub 2}C [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy, 1997.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
5 pages : digital, PDF file
Additional Creators
Oak Ridge National Laboratory, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
The authors observe a flux lattice with square symmetry in the superconductor YNi₂B₂C when the applied field is parallel to the c-axis of the crystal. A square lattice observed previously in the isostructural magnetic analog ErNi₂B₂C was attributed to the interaction between magnetic order in that system and the flux lattice. Since the Y-based compound does not order magnetically, it is clear that the structure of the flux lattice is unrelated to magnetic order. In fact, they show that the flux lines have a square cross-section when the applied field is parallel to the c-axis of the crystal, since the measured penetration depth along the 100 crystal direction is larger than the penetration depth along the 110 by approximately 60%. This is the likely reason for the square symmetry of the lattice. Although they find considerable disorder in the arrangement of the flux lines at 2.5T, no melting of the vortex lattice was observed.
Report Numbers
E 1.99:ornl/cp--95242
E 1.99: conf-970814--
conf-970814--
ornl/cp--95242
Subject(s)
Other Subject(s)
Note
Published through SciTech Connect.
12/01/1997.
"ornl/cp--95242"
" conf-970814--"
"DE98000793"
"KC0202010"
International conference on neutron scattering (ICNS), Toronto (Canada), 17-21 Aug 1997.
Paul, D.M.; Yethiraj, M.; Forgan, E.M.; Tomy, C.V.
Funding Information
AC05-96OR22464
View MARC record | catkey: 14452111