Structure variations within RSi2 and R2Si3 silicides. Part II. Structure driving factors

Nentwich, M.; Zschornak, M.; Sonntag, M.; Gumeniuk, R.; Gemming, S.; Leisegang, T.; Meyer, D. C.

doi:10.1107/S2052520620003893

Acta Crystallographica Section B
Acta Crystallographica
Section B STRUCTURAL SCIENCE, CRYSTAL ENGINEERING AND MATERIALS

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Figure 6
Correlations between the shortest Si—T distance d and the ratio c/a. AlB₂-like disilicides have an almost constant c/a ≈ 1.08 like the prototype AlB₂. The large actinide atoms elongate the weaker bonds along c in ThSi₂-like compounds, and thus c/a increases.

STRUCTURAL SCIENCE
CRYSTAL ENGINEERING
MATERIALS

ISSN: 2052-5206

Volume 76| Part 3| June 2020| Pages 378-410

https://doi.org/10.1107/S2052520620003893

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