Ferroelectric properties of PbTiO3

Bhide, V. G. ; Deshmukh, K. G. ; Hegde, M. S. (1962) Ferroelectric properties of PbTiO3 Physica, 28 (9). pp. 871-876. ISSN 0031-8914

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/003189...

Related URL: http://dx.doi.org/10.1016/0031-8914(62)90075-7


A new method for growing single crystals of ferroelectric PbTiO3 is described. A mixture of TiO2, Pb3O4 and KF in the ratio 1 : 2.5 : 6.5 is taken in a platinum crucible and heated to a temperature of about 900°C to 950°C for about 20 hours. The melt is then slowly cooled to room temperature. Flat plates of PbTiO3 crystals are grown by this method. The dielectric properties of these single crystals of PbTiO3 are studied in the temperature range 0-600°C. The Curie temperature has been found to be 495°C with a Curie constant of the order of 1.1 X 105. The conductivity of these samples shows an anomalous variation at and near the Curie temperature.

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Deposited On:18 Oct 2010 05:07
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