Order-disorder behavior in KNbO3 and KNbO3/KTaO 3 solid solutions and superlattices by molecular-dynamics simulation

S. R. Phillpot, M. Sepliarsky, M. G. Stachiotti, R. L. Migoni, S. K. Streiffer

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

We use molecular-dynamics simulation to examine the order-disorder behavior in pure ferroelectric KNbO3and in KNbO3-KTaO 3 ferroelectric-paraelectric solid solutions and superlattices. We find that the order-disorder behavior is remarkably robust and plays an important role in both the polarization rotation associated with switching of the perfect crystal and in the dynamical behavior of the solid solutions and superlattices.

Original languageEnglish
Pages (from-to)3213-3217
Number of pages5
JournalJournal of Materials Science
Volume40
Issue number12
DOIs
StatePublished - Jun 2005
Externally publishedYes

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