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  Synthesis, Crystal Structure, and Properties of the Ordered Double Perovskite Sr2CoOsO6

Paul, A. K., Reehuis, M., Felser, C., Abdala, P. M., & Jansen, M. (2013). Synthesis, Crystal Structure, and Properties of the Ordered Double Perovskite Sr2CoOsO6. Zeitschrift für anorganische und allgemeine Chemie, 639(14), 2421-2425. doi:10.1002/zaac.201300429.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0017-B1EA-A Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0017-C231-1
Genre: Journal Article

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 Creators:
Paul, Avijit Kumar1, Author              
Reehuis, Manfred2, Author
Felser, Claudia3, Author              
Abdala, Paula M.2, Author
Jansen, Martin2, Author
Affiliations:
1Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
2external, ou_persistent22              
3Claudia Felser, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863429              

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 Abstract: Sr2CoOsO6, a new osmium based ordered semiconductor double perovskite was prepared by solid state synthesis from the respective binary oxides. Room temperature PXRD analysis shows the compound to be tetragonal [I4/m; a = 5.5503(1) angstrom and c = 7.9320(1) angstrom], whereas low temperature synchrotron data refinement has revealed a second monoclinic polymorph [I2/m; a = 5.4969(2) angstrom, b = 5.4979(2) angstrom, c = 8.0090(1) angstrom and = 90.527(1)degrees] with a fully ordered rocksalt arrangement of cobalt and osmium atoms over the perovskite B-sites. Heat capacity and magnetic measurements indicate that Sr2CoOsO6 shows antiferromagnetic ordering below T-N = 108 K followed by a second magnetic transition at T-2 = 65 K. It was shown that the change from the tetragonal to the monoclinic phase occurs at T-N.

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 Dates: 2013-09-20
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000329497900009
DOI: 10.1002/zaac.201300429
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Title: Zeitschrift für anorganische und allgemeine Chemie
  Other : Journal of Inorganic and General Chemistry
  Other : J. Inorg. Gen Chem.
  Other : Zeitschrift fuer Anorganische und Allgemeine Chemie
  Abbreviation : Z. Anorg. Allg. Chem.
Source Genre: Journal
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Publ. Info: Weinheim : WILEY-VCH Verlag GmbH & Co. KGaA
Pages: - Volume / Issue: 639 (14) Sequence Number: - Start / End Page: 2421 - 2425 Identifier: ISSN: 0044-2313
CoNE: /journals/resource/954925453895