UNSPECIFIED (1996) A neutron study of the flux lattice in the superconductor CeRu2. In: International Conference on Strongly Correlated Electron Systems (SCES 95), SEP 27-30, 1995, GOA, INDIA.

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Abstract

Small-angle neutron diffraction measurements from the flux lattice in a single crystal of the cubic Laves' phase superconductor, CeRu2, are reported. The mixed state is described in terms of aligned rigid bundles of vortices. The bundle diameters decrease above 1/2H(c2) (consistent with collective weak pinning theory) and become comparable with the penetration length at a field at which a 'peak effect' is seen in magnetisation measurements. A clear memory of field histories that pass through the 'peak effect' region is also found; however, some of the induced disorder can be removed by subsequently cycling the field.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICA B
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0921-4526
Date:	June 1996
Volume:	224
Number:	1-4
Number of Pages:	3
Page Range:	pp. 169-171
Publication Status:	Published
Title of Event:	International Conference on Strongly Correlated Electron Systems (SCES 95)
Location of Event:	GOA, INDIA
Date(s) of Event:	SEP 27-30, 1995
URI:	http://wrap.warwick.ac.uk/id/eprint/18575

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