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  Y4Be33Pt16 - a non-centrosymmetric cage superconductor with multi-centre bonding in the framework

Amon, A., Svanidze, E., Prots, Y., Nicklas, M., Burkhardt, U., Ormeci, A., et al. (2020). Y4Be33Pt16 - a non-centrosymmetric cage superconductor with multi-centre bonding in the framework. Dalton Transactions, 49(27), 9362-9368. doi:10.1039/d0dt01374a.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-CB1E-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0006-CB20-1
Genre: Journal Article

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 Creators:
Amon, Alfred1, Author              
Svanidze, Eteri1, Author              
Prots, Yurii2, Author              
Nicklas, Michael3, Author
Burkhardt, Ulrich4, Author              
Ormeci, Alim1, Author              
Leithe-Jasper, Andreas5, 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              
3External Organizations, ou_persistent22              
4Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
5Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863406              
6Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: The new ternary compound Y4Be33Pt16 was prepared from elements by arc melting, and its crystal structure was determined from single-crystal X-ray diffraction data (space group I (4) over bar 3d, a = 13.4849(3) angstrom). The material is the first representative of a new structure type of complex intermetallic compounds and reveals a cage-like crystal structure. Analysis of chemical bonding by means of the electron localizabilty approach indicates ionic interaction of yttrium with the rest of the crystal structure, characteristic for cage compounds, in particular for clathrates. In contrast to the mostly two-centre bonding in the framework of clathrates, the new compound is characterized by a multi-centre interaction within the framework, caused by the demand of the valence electrons in the system. The non-centrosymmetric material enters the superconducting state at T-C = 0.9 K.

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Language(s): eng - English
 Dates: 2020-06-252020-06-25
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000549100400022
DOI: 10.1039/d0dt01374a
 Degree: -

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Title: Dalton Transactions
  Abbreviation : Dalton Trans.
Source Genre: Journal
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Publ. Info: Cambridge, UK : Royal Society of Chemistry
Pages: - Volume / Issue: 49 (27) Sequence Number: - Start / End Page: 9362 - 9368 Identifier: ISSN: 1477-9226
CoNE: https://pure.mpg.de/cone/journals/resource/954925269323