Order-disorder mixed phase in Tl H2 P O4

Se Hun Kim, Kyu Won Lee, B. H. Oh, Cheol Eui Lee

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

An intermediate phase of partial order, associated with antiferroelectricity, is elucidated in hydrogen-bonded Tl H2 P O4 undergoing separated antiferroelectric and ferroelastic phase transitions. Our H1 and P31 nuclear magnetic resonance linewidth measurements revealed marked changes at an intermediate phase boundary, involving an intermediate phase of mixed order of coexistence of paraelectricity and antiferroelectricity, which was identified by means of impedance spectroscopy. A coupling of the proton and the P O4 tetrahedral motions to the proton ordering in the hydrogen bonds is also manifested.

Original languageEnglish
Article number172104
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume76
Issue number17
DOIs
Publication statusPublished - 2007 Nov 20

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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