Proton Ordering and Conduction in TIH2PO4 with a Paraelectric-antiferroelectric Mixed Order
- Authors
- Kim, Se-Hun; Lee, K. W.; Han, J. H.; Lee, Cheol Eui; Lee, K. -S.
- Issue Date
- 10월-2009
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- Proton ordering and conduction; TIH2PO4; Paraelectric-Antiferroelectric mixed order
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.55, no.4, pp.1716 - 1719
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 55
- Number
- 4
- Start Page
- 1716
- End Page
- 1719
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/119254
- DOI
- 10.3938/jkps.55.1716
- ISSN
- 0374-4884
- Abstract
- We have studied proton ordering and proton conduction in a TIH2PO4 single crystal associated with the recently identified intermediate paraelectric-antiferroelectric mixed phase with a phase boundary temperature T-s = 327 K. According to the H-1 nuclear magnetic resonance rotating-frame 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.
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