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

Jennifer A. Aitken; Jerry A. Cowen; Mercouri G. Kanatzidis

doi:10.1021/cm980364e

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

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

Northwestern University

Research output: Contribution to journal › Article › peer-review

37 Citations (Scopus)

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 language	English
Pages (from-to)	3928-3935
Number of pages	8
Journal	Chemistry of Materials
Volume	10
Issue number	12
DOIs	https://doi.org/10.1021/cm980364e
Publication status	Published - 1998

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Chemistry

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

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) {\AA} and c = 7.848-.",

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T1 - Metamagnetic transition in EuSe2

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AU - Cowen, Jerry A.

AU - Kanatzidis, Mercouri G.

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Y1 - 1998

N2 - 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-.

AB - 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-.

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