Proton ordering and conduction in TlH 2PO 4 with a paraelectric-antiferroelectric mixed order

Se Hun Kim, K. W. Lee, J. H. Han, Cheol Eui Lee, K. S. Lee

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


We have studied proton ordering and proton conduction in a TlH 2PO 4 single crystal associated with the recently identified intermediate paraelectric-antiferroelectric mixed phase with a phase boundary temperature T s = 327 K. According to the 1H nuclear magnetic resonance rotatingframe spin-lattice relaxation measurements, proton ordering takes place at T s rather than at the structural phase transition temperature T c = 230 K. Distinct temperature dependencies of the electrical conductivity were observed below and above T s, indicating that proton conduction in the system is dictated by the proton and the electric dipole orders.

Original languageEnglish
Pages (from-to)1716-1719
Number of pages4
JournalJournal of the Korean Physical Society
Issue number4
Publication statusPublished - 2009 Oct


  • Paraelectric-antiferroelectric mixed order
  • Proton ordering and conduction
  • TlH PO

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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