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Commensurate magnetic structures in Er91.6%Tm8.4%
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UNSPECIFIED (1998) Commensurate magnetic structures in Er91.6%Tm8.4%. In: International Conference on Magnetism, CAIRNS, AUSTRALIA, JUL 27-AUG 01, 1997. Published in: JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 177 (Part 2). pp. 1014-1015. ISSN 0304-8853.
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Abstract
We have studied the magnetic behaviour of the alloy Er91.6%Tm8.4% using ultrasound, SQUID and neutron-scattering measurements. We have found that below 40 K the magnetic structure is very similar to the magnetic phase observed between 52 and 18 K in Er. However, high-order commensurate structures? which are stable over no more than approximately 2 K in pure Er, are stable over temperature ranges of up to 17 K in this alloy. Indeed, we find that in the region 26-18 K the magnetic structure is characterised by two modulation vectors. q = 2/7c* and q = 4/15c*. We suggest that, on cooling, the modulation of the basal plane and c-axis components of the magnetisation become decoupled at 26 K, with the modulation of the basal plane component remaining locked into a value of q(b) = 2/7c*, while the modulation of the c-axis component decreases towards a value of q(c) = 4/15c*. At 18 K the magnetic structure reverts to a single q structure with q = 4/15c*. (C) 1998 Elsevier Science B.V. All rights reserved.
Item Type: | Conference Item (UNSPECIFIED) | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) Q Science > QC Physics |
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Journal or Publication Title: | JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | ||||
Publisher: | ELSEVIER SCIENCE BV | ||||
ISSN: | 0304-8853 | ||||
Official Date: | January 1998 | ||||
Dates: |
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Volume: | 177 | ||||
Number: | Part 2 | ||||
Number of Pages: | 2 | ||||
Page Range: | pp. 1014-1015 | ||||
Publication Status: | Published | ||||
Title of Event: | International Conference on Magnetism | ||||
Location of Event: | CAIRNS, AUSTRALIA | ||||
Date(s) of Event: | JUL 27-AUG 01, 1997 |
Data sourced from Thomson Reuters' Web of Knowledge
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