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The Inverse Perovskite (Ca 2 EuN x )Sn: A Rare Example for a Homogeneously Mixed‐Valent Compound?
Author(s) -
Gäbler Frank,
Bräunling Daniel,
Schnelle Walter,
Schellenberg Inga,
Pöttgen Rainer,
Niewa Rainer
Publication year - 2011
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.201000416
Subject(s) - europium , perovskite (structure) , mössbauer spectroscopy , electrical resistivity and conductivity , x ray absorption spectroscopy , magnetic susceptibility , crystallography , spectroscopy , doping , x ray crystallography , chemistry , analytical chemistry (journal) , diffraction , absorption spectroscopy , mössbauer effect , materials science , inorganic chemistry , ion , physics , optoelectronics , quantum mechanics , optics , organic chemistry , chromatography
The cubic Perovskite (Ca 2 EuN 0.75 )Sn was synthesized in a solid state reaction from EuN, Ca, and Sn. Nitrogen deficiency and Ca/Eu disorder is in agreement with results from chemical analysis, X‐ray diffraction, and Mössbauer spectroscopy. Magnetic susceptibility measurements as well as Mössbauer and X‐ray absorption spectroscopy indicate a mixed‐valent situation with di‐ and trivalent europium, apparently situated together with calcium on one crystallographic site. According to electrical resistivity measurements the title compound represents a heavily doped semiconductor.

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