A New High Pressure Calcium Silicate with Five-Coordinated Silicon, α-CaSi2O5Synthesized at 1500°C and 10 GPa

Y. Kudoh, Masami Kanzaki

Research output: Contribution to journalArticle

Abstract

Crystal structure of α-CaSi2O5 synthesized at conditions of 1500°C and 10 GPa, has been solved and refined in œntrosymmetric space group PL The structure is closely related to that of titanite, CaTiSiO5 and consists the square pyramid five-fold coordination of silicon by oxygen. The ionic radius for five-coordinated Si calculated from the bond distances is 0.33 Å.

Original languageEnglish
Pages (from-to)131-133
Number of pages3
JournalReview of High Pressure Science and Technology/Koatsuryoku No Kagaku To Gijutsu
Volume7
DOIs
Publication statusPublished - 1998

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calcium silicates
Calcium silicate
Silicon
pyramids
Crystal structure
Oxygen
crystal structure
radii
silicon
oxygen
calcium silicate

Keywords

  • CaSiO
  • Crystal structure
  • Five-coordinated silicon
  • Square pyramid

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

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abstract = "Crystal structure of α-CaSi2O5 synthesized at conditions of 1500°C and 10 GPa, has been solved and refined in œntrosymmetric space group PL The structure is closely related to that of titanite, CaTiSiO5 and consists the square pyramid five-fold coordination of silicon by oxygen. The ionic radius for five-coordinated Si calculated from the bond distances is 0.33 {\AA}.",
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AU - Kudoh, Y.

AU - Kanzaki, Masami

PY - 1998

Y1 - 1998

N2 - Crystal structure of α-CaSi2O5 synthesized at conditions of 1500°C and 10 GPa, has been solved and refined in œntrosymmetric space group PL The structure is closely related to that of titanite, CaTiSiO5 and consists the square pyramid five-fold coordination of silicon by oxygen. The ionic radius for five-coordinated Si calculated from the bond distances is 0.33 Å.

AB - Crystal structure of α-CaSi2O5 synthesized at conditions of 1500°C and 10 GPa, has been solved and refined in œntrosymmetric space group PL The structure is closely related to that of titanite, CaTiSiO5 and consists the square pyramid five-fold coordination of silicon by oxygen. The ionic radius for five-coordinated Si calculated from the bond distances is 0.33 Å.

KW - CaSiO

KW - Crystal structure

KW - Five-coordinated silicon

KW - Square pyramid

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