NDLI: Processing optimization and field-induced strain response in laminated 0.6(Bi0.85La0.15) FeO3-0.4PbTiO3 ceramics

Content Provider	IEEE Xplore Digital Library
Author	Jin, G.X. Chen, J.G. Cheng, J.R.
Copyright Year	2014
Description	Author affiliation: Sch. of Mater. Sci. & Eng., Shanghai Univ., Shanghai, China (Jin, G.X.; Chen, J.G.; Cheng, J.R.)
Abstract	$0.6(Bi_{0.85}La_{0.15})FeO_{3}-0.4PbTiO_{3}$ (BLF-PT) ceramics with pure perovskite structure were produced and laminated from a non-aqueous tape casting method. The effects of pressure and temperature, during the tapes lamination process, on the bulk density, ferroelectric and piezoelectric properties of BLF-PT ceramics were systematically investigated. The field-induced strain level and remnant polarization $P_{r}$ of the laminated BLF-PT ceramics increased while the dielectric loss tanδ decreased with the rising of lamination temperature from 30 to 90°C due to the stronger combination between the ceramic tapes and relative higher bulk density. On the contrary, with the rising of lamination pressure from 30 to 150 MPa, The field-induced strain level and $P_{r}$ first increased and then decreased. The dielectric constant and loss, remnant polarization, strain, and high field piezoelectric constant of BLF-PT ceramics obtained under optimal conditions are 409, 1.4% at 1 kHz, 33 $μC/cm^{2},$ 0.07% and 141 pm/V $(S_{max}/E_{max})$ at 50kV/cm, respectively. The results show that the laminated ceramics derived from tapes casting method exhibit comparable dielectric, ferroelectric and piezoelectric properties to those prepared by conventional powder forming technique, which is the basic step for the continuous developing for piezoelectric devices with multilayered or graded structure.
Starting Page	1
Ending Page	4
File Size	2242442
Page Count	4
File Format	PDF
ISBN	9781479938605
DOI	10.1109/ISAF.2014.6922985
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-12
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ceramics Strain Lamination Tape casting Temperature Hysteresis Powders optimization ceramics tape casting lamination field-induced strain
Content Type	Text
Resource Type	Article

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