Metamagnetic transition in EuSe2: A new, metastable binary rare-earth polychalcogenide

Jennifer A. Aitken, Jerry A. Cowen, Mercouri G. Kanatzidis*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

The reaction of Eu with molten lithium polyselenide produced a new rare-earth dichalcogenide, EuSe2. This compound cannot be obtained via direct combination of the elements and is therefore an example of how alkali metal chalcogenide fluxes can access metastable or kinetically stable phases. The crystals of EuSe2 are very dark red and air stable for several months. The structure was determined with single-crystal X-ray diffraction. The compound crystallizes in the tetragonal space group, I4/mcm (#140) with a = 6.391(1) Å and c = 7.848-.

Original languageEnglish (US)
Pages (from-to)3928-3935
Number of pages8
JournalChemistry of Materials
Volume10
Issue number12
DOIs
StatePublished - 1998

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Chemistry

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