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Structures and Physical Properties of Ternary Antimonides RE3MSb5 (M = Zr, Hf), U3MSb5 (M = Zr, Hf, Nb), and YbCrSb3

Published online by Cambridge University Press:  01 February 2011

Andriy V. Tkachuk ,
Shane J. Crerar ,
Xing Wu ,
Craig P. T. Muirhead ,
Laura Deakin  and
Arthur Mar
Andriy V. Tkachuk
Affiliation:
Department of Chemistry, University of Alberta, Edmonton, AB Canada T6G 2G2
Shane J. Crerar
Affiliation:
Department of Chemistry, University of Alberta, Edmonton, AB Canada T6G 2G2
Xing Wu
Affiliation:
Department of Chemistry, University of Alberta, Edmonton, AB Canada T6G 2G2
Craig P. T. Muirhead
Affiliation:
Department of Chemistry, University of Alberta, Edmonton, AB Canada T6G 2G2
Laura Deakin
Affiliation:
Department of Chemistry, University of Alberta, Edmonton, AB Canada T6G 2G2
Arthur Mar
Affiliation:
Department of Chemistry, University of Alberta, Edmonton, AB Canada T6G 2G2
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Abstract

Ternary rare-earth transition-metal antimonides RExMySbz have provided fertile ground for discovering materials with varied electrical and magnetic properties such as superconductivity and ferromagnetism. The properties of two important classes of these compounds, RE3TiSb5 and RECrSb3, have been previously investigated. These studies have now been extended to RE3MSb5 (M = Zr, Hf), which show anomalies in their resistivity curves suggestive of electronic transitions, and YbCrSb3, which undergoes long-range magnetic ordering at 285 K, the highest Tc observed so far of all RECrSb3 members. Strong magnetic exchange interactions develop through coupling of f and d electrons in these compounds. The substitution of uranium for rare earth in RE3MSb5 results in the compounds U3MSb5 (M = Zr, Hf, Nb), which also display prominent transitions in their electrical resistivity and magnetic susceptibility curves.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 848: Symposium FF – Solid-State Chemistry of Inorganic Materials V , 2004 , FF2.6
Copyright
Copyright © Materials Research Society 2005

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