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Correlations Between the Bipolar- and Unipolar-Electric Field Induced Strain in Pb(Mg1/3Nb2/3)O3-PbTiO3 Ceramics

Published online by Cambridge University Press:  16 February 2011

Jae-Hwan Park ,
Byung-Kook Kim  and
Soon Ja Park
Jae-Hwan Park
Affiliation:
Department of Inorganic Materials Engineering, Seoul National University, Seoul 151–742, Korea
Byung-Kook Kim
Affiliation:
Department of Inorganic Materials Engineering, Seoul National University, Seoul 151–742, Korea
Soon Ja Park
Affiliation:
Department of Inorganic Materials Engineering, Seoul National University, Seoul 151–742, Korea
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Abstract

Correlations between the strains induced by a unipolar-electric field and the strains induced by a bipolar-electric field were investigated for Pb(Mg1/3Nb2/3)O3 (PMN) and 0.9{Pb(Mg1/3Nb2/3)O3}-0.1PbTiO3 (0.9PMN- 0.1PT) relaxor ferroelectric ceramics in the temperature range of −50°C ∼ 150°C. The magnitudes of the unipolarly induced-strains are almost the same as the differences between the bipolarly induced-strains and the residual strains, which were attributed to the absence of change of spontaneous polarization direction when the unipolar-electric field is applied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 360 , 1994 , 311
Copyright
Copyright © Materials Research Society 1995

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References

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