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  The impact of boron atoms on clathrate-I silicides: composition range of the borosilicide K8−xBySi46−y

Jung, W., Böhme, B., Hübner, J. M., Burkhardt, U., Borrmann, H., Bobnar, M., et al. (2021). The impact of boron atoms on clathrate-I silicides: composition range of the borosilicide K8−xBySi46−y. Dalton Transactions, 50(4), 1274-1282. doi:10.1039/d0dt03339a.

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 Creators:
Jung, Walter1, Author              
Böhme, Bodo2, Author              
Hübner, Julia M.1, Author              
Burkhardt, Ulrich3, Author              
Borrmann, Horst4, Author              
Bobnar, Matej1, Author              
Nguyen, Hong Duong1, Author              
Pantenburg, Ingo5, Author
Etter, Martin5, Author
Schwarz, Ulrich6, Author              
Grin, Yuri7, Author              
Baitinger, Michael8, Author              
Affiliations:
1Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
2Bodo Böhme, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863408              
3Ulrich Burkhardt, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863422              
4Horst Borrmann, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863410              
5External Organizations, ou_persistent22              
6Ulrich Schwarz, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863423              
7Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              
8Michael Baitinger, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863416              

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 Abstract: The clathrate-I borosilicide K8−xBySi46−y(0.8 ≤x≤ 1.2 and 6.4 ≤y≤ 7.2; space groupPm3̄n) was prepared in sealed tantalum ampoules between 900 °C and 1000 °C. By high-pressure preparation at 8 GPa and 1000 °C, a higher boron content is achieved (x= 0.2,y= 7.8). Crystal structure and composition were established from X-ray diffraction data, chemical analysis, WDX spectroscopy, and confirmed by11B and29Si NMR, and magnetic susceptibility measurements. The compositions are electron-balanced according to the Zintl rule within one estimated standard deviation. The lattice parameter varies with composition froma= 9.905 Å for K7.85(2)B7.8(1)Si38.2(1)toa= 9.968(1) Å for K6.80(2)B6.4(5)Si39.6(5) © The Royal Society of Chemistry 2021.

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Language(s): eng - English
 Dates: 2021-01-042021-01-04
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1039/d0dt03339a
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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: 50 (4) Sequence Number: - Start / End Page: 1274 - 1282 Identifier: ISSN: 1477-9226
CoNE: https://pure.mpg.de/cone/journals/resource/954925269323