UNSPECIFIED (2002) Vortex lattice transitions in YNi2B2C. In: International Symposium on Advances in Superconductivity and Magnetism: Materials, Mechanisms, and Devices (ASMM2D-2001), SEP 25-28, 2001, MUMBAI, INDIA.

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Abstract

We have performed extensive small-angle neutron scattering (SANS) diffraction studies of the vortex lattice in single crystal YNi2B2C for B parallel to c. High-resolution SANS, combined with a field-oscillation vortex lattice preparation technique, allows us to separate Bragg scattered intensities from two orthogonal domains and accurately determine the unit cell angle, beta. The data suggest that upon increasing field there is a finite transition width where both low- and high-field distorted hexagonal vortex lattice phases, mutually rotated by 45degrees, coexist. The smooth variation of diffracted intensity from each phase through the transition corresponds to a redistribution of populations between the two types of domains.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PRAMANA-JOURNAL OF PHYSICS
Publisher:	INDIAN ACADEMY SCIENCES
ISSN:	0304-4289
Date:	May 2002
Volume:	58
Number:	5-6
Number of Pages:	5
Page Range:	pp. 913-917
Publication Status:	Published
Title of Event:	International Symposium on Advances in Superconductivity and Magnetism: Materials, Mechanisms, and Devices (ASMM2D-2001)
Location of Event:	MUMBAI, INDIA
Date(s) of Event:	SEP 25-28, 2001
URI:	http://wrap.warwick.ac.uk/id/eprint/10734

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