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Effect of barium doping on the field-induced piezoelectric properties of Pb(Mg1/3Nb2/3)O3-PbTiO 3 ceramics

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4 Author(s)
Huebner, W. ; Dept. of Ceramic Eng., Missouri Univ., Rolla, MO, USA ; Ciardullo, D. ; Xue, W. ; Pei Wen Lu

The objective of this research was to characterize the dielectric and induced piezoelectric properties of Ba2+-doped, 0.87Pb(Mg 1/3Nb2/3)O3-0.13PbTiO3 relaxor ferroelectrics. The induced kt's measured at 25°C depended strongly on the Ba2+ amount and electric field, maximizing at a value of 0.59 for an applied field of 5 kV/cm and a 2% doping level. The corresponding kp was 0.38. These results correlate well with the dielectric properties; the 2% composition exhibits the highest permittivity, with the macro-microdomain transition near 25°C

Published in:

Applications of Ferroelectrics, 1996. ISAF '96., Proceedings of the Tenth IEEE International Symposium on  (Volume:2 )

Date of Conference:

18-21 Aug 1996