Diffuse ferroelectric transition and relaxational dipolar freezing in (Ba,Sr)TiO3

Tiwari, V. S. ; Singh, N. ; Pandey, D. (1995) Diffuse ferroelectric transition and relaxational dipolar freezing in (Ba,Sr)TiO3 Journal of Physics: Condensed Matter, 7 (7). pp. 1441-1460. ISSN 0953-8984

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Official URL: http://iopscience.iop.org/0953-8984/7/7/024

Related URL: http://dx.doi.org/10.1088/0953-8984/7/7/024

Abstract

The effect of Sr2+ substitution on the structure and dielectric behaviour of BaTiO3 is reported. It is shown that the smearing of the variation of dielectric constant with temperature in such samples is not due to compositional inhomogeneities. Observation of relaxational dipolar freezing below the hump temperature indicates the similarity of diffuse ferroelectric transition and orientational glass behaviour.

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Deposited On:10 Dec 2010 12:58
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