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Journal of Superconductivity and Novel Magnetism

, Volume 25, Issue 2, pp 441–445 | Cite as

EuRu2As2: A New Ferromagnetic Metal with Collapsed ThCr2Si2-Type Structure

  • W. H. Jiao
  • I. Felner
  • I. Nowik
  • G. H. Cao
Original Paper

Abstract

EuRu2As2 was characterized by structural, resistivity, magnetization and Mössbauer measurements. It crystallizes in collapsed ThCr2Si2-type structure with c/a=2.58 and space group I4/mmm. The temperature and field dependences of magnetization indicate that the material is ferromagnetically ordered at T C=17.3±0.5 K, where the electrical resistivity shows a kink. Mössbauer spectroscopy studies determine that the Eu2+ moments align basically along the crystallographic c-axis, which is in contrast to the case in EuFe2As2 in which the Eu2+ spins lie in the basal planes.

Keywords

Crystal structure Ferromagnetism Mössbauer spectroscopy 

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of PhysicsZhejiang UniversityHangzhouChina
  2. 2.Racah Institute of PhysicsThe Hebrew UniversityJerusalemIsrael

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