Effect of poling temperature on piezoelectric coefficient in (Na sub(0.52)K sub(0.4425)Li sub(0.0375))(Nb sub(0.86)Ta sub( 0.06)Sb sub(0.08))O sub(3) ceramics

The influence of poling temperature (T sub(p)) on d sub(33) and [Formulaomitted] of (Na sub(0.52)K sub(0.4425)Li sub(0.0375))(Nb sub(0.86)Ta sub( 0.06)Sb sub(0.08))O sub(3) ceramics is investigated. No notable stress is induced as there is not apparent phase transition on cooling when the ceramics a...

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Published inPhysica status solidi. A, Applications and materials science Vol. 210; no. 12; pp. 2579 - 2582
Main Authors Huan, Yu, Wang, Xiaohui, Zhang, Shaopeng, Gao, Renlong, Li, Longtu
Format Journal Article
LanguageEnglish
Published 01.12.2013
Subjects
Ceramics
Cooling
Deoxidizing
Electric fields
Materials science
Phase transformations
Piezoelectricity
Stresses
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Summary:The influence of poling temperature (T sub(p)) on d sub(33) and [Formulaomitted] of (Na sub(0.52)K sub(0.4425)Li sub(0.0375))(Nb sub(0.86)Ta sub( 0.06)Sb sub(0.08))O sub(3) ceramics is investigated. No notable stress is induced as there is not apparent phase transition on cooling when the ceramics are poled below orthorhombic-tetragonal phase transition temperature (T sub(o-t)). However, stress emerges by phase transition when poled above T sub(o-t) leading to degrade d sub(33). Consequently, the ceramics poled near T sub(o-t) exhibit the best d sub(33) of 350pCN super(-1). In addition, [Formulaomitted], derived from intrinsic and extrinsic contributions, remains about the same with T sub(p) because the ultrafine, lamellar domains could easily respond to an external electric field.
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ISSN:1862-6300
1862-6319
DOI:10.1002/pssa.201330040