Structural and magnetic properties of ErFe 2D 3.1 / Sherstobitova E.A., Gubkin A.F., Terent'Ev P.B., Sherstobitov A.A., Pirogov A.N., Mushnikov N.V. // Journal of Alloys and Compounds. - 2012. - V. 538, l. . - P. 79-84.

ISSN:
09258388
Type:
Article
Abstract:
The crystal structure and magnetic properties of ErFe 2D 3.1 have been studied by means of magnetic measurements and neutron powder diffraction in a wide temperature range from the highest temperature T = 450 K down to the lowest one T = 12 K. The crystal structure of ErFe 2D 3.1 is found to be strongly modified by temperature: the high-temperature cubic structure decomposes to the deuterium-deficient cubic and deuterium-rich distorted phases which coexist in a wide temperature range below 400 K and exhibit successive structural transitions. The neutron powder diffraction patterns analysis revealed ordering of deuterium atoms over preferential A 2B 2 interstitial sites upon cooling. Below the Curie temperature ErFe 2D 3.1 is a ferrimagnet. Two separate magnetic ordering temperatures for Er and Fe magnetic sublattices were observed. A large magnetic anisotropy has been found in ErFe 2D 3.1 at low temperature. © 2012 Elsevier B.V. All rights reserved.
Author keywords:
Cristal structure; Magnetism; Metal hydrides; Neutron powder diffraction
Index keywords:
Cubic structure; Distorted phasis; Ferrimagnets; High temperature; Highest temperature; Interstitial sites; Low temperatures; Magnetic ordering temperatures; Magnetic sublattices; Metal hydrides; Stru
DOI:
10.1016/j.jallcom.2012.05.107
Смотреть в Scopus:
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84863485006&doi=10.1016%2fj.jallcom.2012.05.107&partnerID=40&md5=8e8918e80affce522e4a5238b531b31f
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Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-84863485006&doi=10.1016%2fj.jallcom.2012.05.107&partnerID=40&md5=8e8918e80affce522e4a5238b531b31f
Affiliations Institute of Metal Physics UB, RAS, Kovalevskaya 18, 620990 Ekaterinburg, Russian Federation; Ural Federal University, Mira Street 19, 620002 Ekaterinburg, Russian Federation
Author Keywords Cristal structure; Magnetism; Metal hydrides; Neutron powder diffraction
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Correspondence Address Sherstobitova, E.A.; Institute of Metal Physics UB, RAS, Kovalevskaya 18, 620990 Ekaterinburg, Russian Federation; email: sherl@imp.uran.ru
CODEN JALCE
Language of Original Document English
Abbreviated Source Title J Alloys Compd
Source Scopus