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 language | English (US) |
|---|---|
| Pages (from-to) | L425-L428 |
| Journal | Japanese Journal of Applied Physics |
| Volume | 19 |
| Issue number | 7 |
| DOIs | |
| State | Published - Jul 1980 |
All Science Journal Classification (ASJC) codes
- General Engineering
- General Physics and Astronomy
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