UNSPECIFIED (1998) Nonlocal effects and vortex lattice transitions in YNi2B2C. PHYSICAL REVIEW LETTERS, 80 (7). pp. 1517-1520. ISSN 0031-9007

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Abstract

High resolution, neutron small angle scattering studies have been performed to investigate the low field (B < 250 mT) region of the phase diagram for the vortex lattice in the superconducting state of YNi2B2C. The data present clear evidence for a vortex lattice reorientation transition from a state with the diagonal of the rhombic unit cell along a [110] direction to a [100] direction. Above this transition the lattice distorts under the influence of the applied field until the apex angle becomes constant at some higher field. For B parallel to c a square lattice configuration is formed. These experiments confirm qualitatively many of the predictions of a general model based on nonlocal corrections to the London model as applied to this and similar materials.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICAL REVIEW LETTERS
Publisher:	AMERICAN PHYSICAL SOC
ISSN:	0031-9007
Date:	16 February 1998
Volume:	80
Number:	7
Number of Pages:	4
Page Range:	pp. 1517-1520
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/15998

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