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  Crystal structure and superconducting properties of Sc5Ir6Sn18

Levytskyi, V., Feig, M., Akselrud, L., Schnelle, W., Leithe-Jasper, A., Dyadkin, V., et al. (2019). Crystal structure and superconducting properties of Sc5Ir6Sn18. Journal of Physics: Condensed Matter, 31(44): 445603, pp. 1-9. doi:10.1088/1361-648X/ab32d0.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-88B4-7 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-88BD-E
Genre: Journal Article

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 Creators:
Levytskyi, Volodymyr1, Author
Feig, Manuel2, Author              
Akselrud, Lev2, Author              
Schnelle, Walter3, Author              
Leithe-Jasper, Andreas4, Author              
Dyadkin, Vadim1, Author
Chernyshov, Dmitry1, Author
Gumeniuk, Roman5, Author              
Affiliations:
1External Organizations, ou_persistent22              
2Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
3Walter Schnelle, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863441              
4Andreas Leithe-Jasper, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863406              
5Roman Gumeniuk, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863421              

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 Abstract: Sc5Ir6Sn18 crystallizes with a split variant of the Tb5Rh6Sn18 structure type (space group I4(1)/acd, a = 13.5826(2) angstrom, c = 27.1504(6) angstrom). DFT calculations confirmed the instability of the structural arrangement with the fully occupied and unsplit crystallographic sites. high quality single crystals were grown from a Sn melt. Sc5Ir6Sn18 is a diamagnetic metal showing a superconducting transition at a critical temperature T-c = 2.64 K. The relatively low critical magnetic field B-c2(0) approximate to 3.2 T as well as the obtained values of the specific heat ratio Delta c(p)/gamma T-N(c) = 1.73(3) and energy-gap ratio Delta(0)/k(B)T(c) = 1.85(1) suggest this system to be a weakly coupled BCS-like superconductor.

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Language(s): eng - English
 Dates: 2019-08-072019-08-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1088/1361-648X/ab32d0
 Degree: -

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Title: Journal of Physics: Condensed Matter
  Abbreviation : J. Phys. Condens. Matter.
Source Genre: Journal
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Publ. Info: Bristol : IOP Publishing
Pages: - Volume / Issue: 31 (44) Sequence Number: 445603 Start / End Page: 1 - 9 Identifier: ISSN: 0953-8984
CoNE: https://pure.mpg.de/cone/journals/resource/954928562478