Electrostructive effects in paraelectric-ferroelectric-antiferroelectric phase transitions

Kenji Uchino, Leslie E. Cross, Robert E. Newnham

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Electrostrictive terms have been introduced into the Kittel free energy expression by means of a fourth-order cross term of the two-sublattice polarizations, giving rise to multiple phase transitions. Schematic p-T diagrams of the nonpolar, polar and antipolar phases are classified by the electrostrictive Ω coefficient. Spontaneous strain curves are derived for each of the four types of phase diagrams.

Original languageEnglish (US)
Pages (from-to)L425-L428
JournalJapanese Journal of Applied Physics
Volume19
Issue number7
DOIs
StatePublished - Jul 1980

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physics and Astronomy(all)

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