Thermal Expansion of Compounds of Zircon Structure

Eleswarapu C. Subbarao, Dinesh Kumar Agrawal, Herbert A. McKinstry, Christopher W. Sallese, Rustum Roy

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The thermal expansion behavior of 13 members of ABO4 compounds of the zircon family is examined in terms of crystal chemical (size, charge, and mass of cations) and crystallographic (a and c) parameters. The systematic trend in the thermal expansion coefficients, αa and αc, with the ionic radii, rA and rB, can be explained in terms of the unique arrangement of M‐O polyhedra along a and c directions of this lattice. In the zircon structure, edge‐sharing ZrO8 dodecahedra form a chain along the a direction while the chain along the c direction consists of alternate edgesharing SiO4 tetrahedra and ZrO8 triangular dodecahedra. Substitution in the A sites affects a and αa more than c and αc and the reverse is true for replacements in the B sites. Unequal valencies on the A and B sites affect thermal expansion coefficients, particularly αc.

Original languageEnglish (US)
Pages (from-to)1246-1252
Number of pages7
JournalJournal of the American Ceramic Society
Volume73
Issue number5
DOIs
StatePublished - Jan 1 1990

Fingerprint

Zircon
thermal expansion
Thermal expansion
zircon
Cations
substitution
Substitution reactions
replacement
cation
Positive ions
crystal
Crystals
Direction compound

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Subbarao, E. C., Agrawal, D. K., McKinstry, H. A., Sallese, C. W., & Roy, R. (1990). Thermal Expansion of Compounds of Zircon Structure. Journal of the American Ceramic Society, 73(5), 1246-1252. https://doi.org/10.1111/j.1151-2916.1990.tb05187.x
Subbarao, Eleswarapu C. ; Agrawal, Dinesh Kumar ; McKinstry, Herbert A. ; Sallese, Christopher W. ; Roy, Rustum. / Thermal Expansion of Compounds of Zircon Structure. In: Journal of the American Ceramic Society. 1990 ; Vol. 73, No. 5. pp. 1246-1252.
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Subbarao, EC, Agrawal, DK, McKinstry, HA, Sallese, CW & Roy, R 1990, 'Thermal Expansion of Compounds of Zircon Structure', Journal of the American Ceramic Society, vol. 73, no. 5, pp. 1246-1252. https://doi.org/10.1111/j.1151-2916.1990.tb05187.x

Thermal Expansion of Compounds of Zircon Structure. / Subbarao, Eleswarapu C.; Agrawal, Dinesh Kumar; McKinstry, Herbert A.; Sallese, Christopher W.; Roy, Rustum.

In: Journal of the American Ceramic Society, Vol. 73, No. 5, 01.01.1990, p. 1246-1252.

Research output: Contribution to journalArticle

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