Structural model for thermal expansion in MZr2P3O12 (M=Li, Na, K, Rb, Cs)

G. E. Lenain, H. A. McKinstry, J. Alamo, Dinesh Kumar Agrawal

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Abstract

A structural model is proposed to describe the highly anisotropic thermal expansion in the sodium zirconium phosphate NaZr2P3O12 structure as a result of the thermal motion of the polyhedra in the structure. In the proposed model the rotations of the phosphate tetrahedra are coupled to the rotation of the zirconium octahedra. Of the two versions considered, the first one allows angular distortions to occur only in the ZrO6 octahedra; the second one permits all polyhedra to be distorted.

Original languageEnglish (US)
Pages (from-to)17-22
Number of pages6
JournalJournal of Materials Science
Volume22
Issue number1
DOIs
StatePublished - Jan 1 1987

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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