UNSPECIFIED (1996) The multicritical region of the Gd-Lu alloy system. JOURNAL OF PHYSICS-CONDENSED MATTER, 8 (20). pp. 3661-3670. ISSN 0953-8984

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Abstract

The magnetic phase diagram of the Gd-Lu alloy system has been studied in the multicritical region using ultrasound velocity and attenuation measurements and neutron diffraction. A phase diagram has been drawn up on the basis of these measurements. The phase diagram has much in common with that of Gd-Y including the existence of a ferro I phase in which a net c-axis moment coexists with a paramagnetic distribution of spins in the basal plane. For Lu concentrations greater than 23.5% a helical antiferromagnetic (HAF) phase exists. At low temperatures all of the samples studied exhibit a canted ferromagnetic structure. The HAF-to-canted-ferromagnetic transition occurs when the pitch of the helix approaches zero and there is a small temperature range (approximate to 2 K) over which canted ferromagnetic and HAF domains coexist.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	JOURNAL OF PHYSICS-CONDENSED MATTER
Publisher:	IOP PUBLISHING LTD
ISSN:	0953-8984
Date:	13 May 1996
Volume:	8
Number:	20
Number of Pages:	10
Page Range:	pp. 3661-3670
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/18823

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