UNSPECIFIED. (2000) Neutron diffraction study of metamagnetic phases in ErNi2B2C. SOLID STATE COMMUNICATIONS, 115 (4). pp. 213-216. ISSN 0038-1098

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Abstract

Neutron diffraction has been used to determine the magnetic order in the metamagnetic phases of ErNi2B2C, with the magnetic field applied parallel to the [0 1 0] and [1 1 0] crystallographic axes. Below 6 K, ErNi2B2C has an incommensurate antiferromagnetic structure with a modulation along the a-axis of wavevector delta = (0.55, 0, 0). For both orientations three first-order metamagnetic transitions are observed below 6 K as the applied field is increased. The first two transitions are to incommensurate antiferromagnetic states with different values of the a-axis modulation, and the third transition is to a saturated paramagnetic state in which the spins are aligned ferromagnetically by the applied field. With the field applied parallel to the [0 1 0] direction, which is the magnetically easy axis, the upper incommensurate state has an additional ferromagnetic component which is not observed with the field applied parallel to the [1 1 0] direction. (C) 2000 Elsevier Science Ltd. All rights reserved.

Item Type:	Journal Article
Subjects:	Q Science > QC Physics
Journal or Publication Title:	SOLID STATE COMMUNICATIONS
Publisher:	PERGAMON-ELSEVIER SCIENCE LTD
ISSN:	0038-1098
Official Date:	2000
Dates:	Date Event 2000 UNSPECIFIED
Volume:	115
Number:	4
Number of Pages:	4
Page Range:	pp. 213-216
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/13278

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