Stabilization Effect in BaTiO3 Single Crystal during Aging below Tc

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High purity BaTiO3 single crystal was aged below its Curie temperature for different times. The reverse transformation (from tetragonal to cubic) temperature was measured precisely by differential scanning calorimetry (DSC). It was observed that the reverse transformation temperature increased with increasing aging time, indicating ferroelectric phase became stable with aging. This behavior is the same as found in ferroelastic alloys. The origin of the stabilization effect in ferroelectric single crystals was discussed with respect to the distribution of point defects.

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Periodical:

Materials Science Forum (Volumes 475-479)

Main Theme:

Edited by:

Z.Y. Zhong, H. Saka, T.H. Kim, E.A. Holm, Y.F. Han and X.S. Xie

Pages:

1169-1172

DOI:

10.4028/www.scientific.net/MSF.475-479.1169

Citation:

D. Z. Sun et al., "Stabilization Effect in BaTiO3 Single Crystal during Aging below Tc", Materials Science Forum, Vols. 475-479, pp. 1169-1172, 2005

Online since:

January 2005

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Price:

$35.00

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