Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/3270
Title: Dielectric behavior and phase transition in perovskite oxide Pb(Fe[sub ½]Nb[sub ½])[sub 1−x]Ti[sub x]O₃ single crystal
Authors: Jia, Y
Luo, H
Or, DSW 
Wang, Y 
Chan, HLW 
Keywords: Crystal growth from melt
Ferroelectric Curie temperature
Ferroelectric materials
Ferroelectric transitions
Hopping conduction
Iron compounds
Lead compounds
Niobium compounds
Permittivity
Vacancies (crystal)
Issue Date: 15-Jun-2009
Publisher: American Institute of Physics
Source: Journal of applied physics, 15 June 2009, v. 105, no. 12, 124109, p. 1-4 How to cite?
Journal: Journal of applied physics 
Abstract: Perovskite oxide Pb(Fe[sub ½]Nb[sub ½])₀.₅₂Ti₀.₄₈O₃ crystals, which were grown using a modified Bridgman method, show a high low-frequency dielectric constant response at room temperature. The Curie phase transition occurs at 523 K. The characteristic frequency of the dielectric dispersion versus the inverse of temperature obeys an Arrhenius relation, which shows a thermally activated behavior. The thermal activation energy for relaxation was found to be ~0.14 eV. The high dielectric permittivity was attributed to oxygen vacancies and conduction via hopping carriers.
URI: http://hdl.handle.net/10397/3270
ISSN: 0021-8979 (print)
1089-7550 (online)
DOI: 10.1063/1.3156655
Rights: © 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Y. Jia et al., J. Appl. Phys. 105, 124109 (2009) and may be found at http://jap.aip.org/resource/1/japiau/v105/i12/p124109_s1.
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