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  Preparation, Crystal Structure and Physical Properties of the Superconducting Cage Compound Ba3Ge16Ir4

Nguyen, H. D., Prots, Y., Schnelle, W., Böhme, B., Baitinger, M., Paschen, S., et al. (2014). Preparation, Crystal Structure and Physical Properties of the Superconducting Cage Compound Ba3Ge16Ir4. Zeitschrift für anorganische und allgemeine Chemie, 640(5), 760-767. doi:10.1002/zaac.201300599.

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 Creators:
Nguyen, Hong Duong1, Author              
Prots, Yurii2, Author              
Schnelle, Walter3, Author              
Böhme, Bodo4, Author
Baitinger, Michael5, Author              
Paschen, Silke4, Author
Grin, Yuri6, Author              
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Yuri Prots, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863424              
3Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
4external, ou_persistent22              
5Michael Baitinger, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863416              
6Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: The cage compound Ba3Ge16Ir4 crystallizes with the Ba3Ge16Rh4 type of crystal structure, which represents a hierarchical derivative of the BaAl4 type. The crystal structure [Pearson symbol tI46, space group I4/mmm; a = 6.5312(2) angstrom, c = 22.2845(6) angstrom] was refined from single-crystal X-ray diffraction data. The phase was obtained after 10 d at 910 degrees C with small impurities of clathrate-I, BaGe7Ir2 and -Ge remaining at the grain boundaries. Ba3Ge16Ir4 is a Pauli-paramagnetic metal, which becomes superconducting below T-c = 5.1 K. Electronic structure and analysis of the chemical bonding were performed based on density functional theory calculations. The physical properties are discussed in comparison to the isotypic phase Ba3Ge16Rh4.

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 Dates: 2014-04-01
 Publication Status: Published in print
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 Rev. Type: -
 Identifiers: ISI: 000333697200011
DOI: 10.1002/zaac.201300599
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Title: Zeitschrift für anorganische und allgemeine Chemie
  Other : Zeitschrift fuer Anorganische und Allgemeine Chemie
  Other : Journal of Inorganic and General Chemistry
  Other : J. Inorg. Gen Chem.
  Abbreviation : Z. Anorg. Allg. Chem.
Source Genre: Journal
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Publ. Info: Weinheim : WILEY-VCH Verlag GmbH & Co. KGaA
Pages: - Volume / Issue: 640 (5) Sequence Number: - Start / End Page: 760 - 767 Identifier: ISSN: 0044-2313
CoNE: https://pure.mpg.de/cone/journals/resource/954925453895