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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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Jung, Walter1, Autor           
Böhme, Bodo2, Autor           
Hübner, Julia M.1, Autor           
Burkhardt, Ulrich3, Autor           
Borrmann, Horst4, Autor           
Bobnar, Matej1, Autor           
Nguyen, Hong Duong1, Autor           
Pantenburg, Ingo5, Autor
Etter, Martin5, Autor
Schwarz, Ulrich6, Autor           
Grin, Yuri7, Autor           
Baitinger, Michael8, Autor           
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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 Zusammenfassung: 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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Sprache(n): eng - English
 Datum: 2021-01-042021-01-04
 Publikationsstatus: Erschienen
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 Identifikatoren: DOI: 10.1039/d0dt03339a
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Titel: Dalton Transactions
  Kurztitel : Dalton Trans.
Genre der Quelle: Zeitschrift
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Ort, Verlag, Ausgabe: Cambridge, UK : Royal Society of Chemistry
Seiten: - Band / Heft: 50 (4) Artikelnummer: - Start- / Endseite: 1274 - 1282 Identifikator: ISSN: 1477-9226
CoNE: https://pure.mpg.de/cone/journals/resource/954925269323