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Fabrication of 0.6(Bi0.85La0.15)FeO3-0.4PbTiO3 Multiferroic Ceramics by Tape Casting Method

Published online by Cambridge University Press:  13 May 2013

Guoxi Jin ,
Jianguo Chen ,
Shundong Bu ,
Dalei Wang ,
Rui Dai  and
Jinrong Cheng
Guoxi Jin
Affiliation:
School of Materials Science and Engineering, Shanghai University, 200072, P.R. China
Jianguo Chen*
Affiliation:
School of Materials Science and Engineering, Shanghai University, 200072, P.R. China
Shundong Bu
Affiliation:
School of Materials Science and Engineering, Shanghai University, 200072, P.R. China
Dalei Wang
Affiliation:
School of Materials Science and Engineering, Shanghai University, 200072, P.R. China
Rui Dai
Affiliation:
School of Materials Science and Engineering, Shanghai University, 200072, P.R. China
Jinrong Cheng*
Affiliation:
School of Materials Science and Engineering, Shanghai University, 200072, P.R. China
*
*Email: [email protected]
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Abstract

The 0.6(Bi0.85La0.15)FeO3-0.4PbTiO3 (BLF-PT) ceramics were prepared by tape casting method. Effects of binder (polyvinylbutyl dibutyl PVB), plasticizer (phthalate-polyethylene glycol DBP-PEG) and dispersant (triethylolamine, TEA) concentration on the rheological properties of BLF-PT slurry were investigated. The optimized component ratio for ceramics powders, binder, plasticizer, dispersant and solvent (ethanol, EtOH) in the slurry was 50 wt.%, 4 wt.%, 6 wt.%, 1 wt.% and 39 wt.%. The dielectric constant εr, loss tanδ, and remnant polarization Pr of BLF-PT ceramics laminated from the tapes were 525 (1 kHz), 1.7% (1 kHz) and 30 μC/cm2 (45 kV/cm), respectively, which were comparable to those of BLF-PT ceramics prepared by traditional solid state reaction method.

Keywords

slurrycastingceramic
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1547: Symposium M – Solution Synthesis of Inorganic Functional Materials—Films, Nanoparticles and Nanocomposites , 2013 , pp. 61 - 66
Copyright
Copyright © Materials Research Society 2013 

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References

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