Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/22404
Title: Dielectric and pyroelectric properties of (Pb0.50Sr 0.50)TiO3 ceramics
Authors: Jiang, YP
Tang, XG
Liu, QX
Zhou, YC
Chan, HLW 
Issue Date: 2008
Publisher: Chinese Physical Society
Source: Chinese physics letters, 2008, v. 25, no. 8, p. 3044-3047 How to cite?
Journal: Chinese physics letters 
Abstract: Lead strontium titanate (Pb0.50Sr0.50) TiO 3 (PST) ceramics are prepared by the traditional ceramic processing. The dielectric constants and dielectric loss have been investigated in a temperature range from 25°C to 300°C. The maximum dielectric constants for unpoled and poled samples are 9924 and 9683, respectively. The temperatures of phase transition for unpoled and poled samples are observed at 153°C and 157°C, respectively. The phase-transition temperatures for unpoled and poled samples are not equal, which results from the polarization state of the domains. The remnant polarization and the coercive electric field are 18μC/cm2 and 6kV/cm, respectively, from polarization-electric field (P - E) hysteresis loop. The temperature dependence of pyroelectric coefficients of the PST ceramics is measured by a dynamic technique. The dielectric constant and loss tan δ of the poled PST ceramics are 813 and 0.010, respectively. The pyroelectric coefficients and figure of merit are 294μC/cm2K and 13.6 × 10-6 Pa-0.5, respectively, at room temperature 25°C and frequency 100Hz.
URI: http://hdl.handle.net/10397/22404
ISSN: 0256-307X
EISSN: 1741-3540
DOI: 10.1088/0256-307X/25/8/083
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