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  Dumbbells of Five-Connected Silicon Atoms and Superconductivity in the Binary Silicides MSi3 (M = Ca, Y, Lu)

Schwarz, U., Wosylus, A., Rosner, H., Schnelle, W., Ormeci, A., Meier, K., et al. (2012). Dumbbells of Five-Connected Silicon Atoms and Superconductivity in the Binary Silicides MSi3 (M = Ca, Y, Lu). Journal of the American Chemical Society, 134(33), 13558-13561. doi:10.1021/ja3055194.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0015-2067-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-F758-7
Genre: Journal Article

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 Creators:
Schwarz, U.1, Author              
Wosylus, A.2, Author              
Rosner, H.3, Author              
Schnelle, W.4, Author              
Ormeci, A.5, Author              
Meier, K.5, Author              
Baranov, A.5, Author              
Nicklas, M.6, Author              
Leipe, S.5, Author              
Müller, C. J.2, Author              
Grin, Y.7, Author              
Affiliations:
1Ulrich Schwarz, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863423              
2Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863404              
3Helge Rosner, Physics of Correlated Matter, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863450              
4Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
5Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
6Michael Nicklas, Physics of Quantum Materials, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863472              
7Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: The new metastable binary silicides MSi3 (M = Ca, Y, Lu) have been synthesized by high-pressure, high-temperature reactions at pressures between 12(2) and 15(2) GPa and temperatures from 900(100) to 1400(150) K. The atomic patterns comprise intricate silicon layers of condensed molecule-like Si2 dimers. The alkaline-earth element adopts the oxidation state +2, while the rare-earth and transition metals realize +3. All of the compounds exhibit BCS-type superconductivity with weak electron?phonon coupling below critical temperatures of up to 7 K.

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Language(s): eng - English
 Dates: 2012-07-30
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 618066
DOI: 10.1021/ja3055194
 Degree: -

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Title: Journal of the American Chemical Society
  Other : J. Am. Chem. Soc.
  Abbreviation : JACS
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 134 (33) Sequence Number: - Start / End Page: 13558 - 13561 Identifier: ISSN: 0002-7863
CoNE: /journals/resource/954925376870