Effect of poling temperature on piezoelectric coefficient in (Na0.52K0.4425Li0.0375)(Nb0.86Ta0.06Sb0.08)O3 ceramics

Effect of poling temperature on piezoelectric coefficient in (Na0.52K0.4425Li0.0375)(Nb0.86Ta0.06Sb0.08)O3 ceramics

The influence of poling temperature (Tp) on d33 and d33* of (Na0.52K0.4425Li0.0375)(Nb0.86Ta0.06Sb0.08)O3 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...

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Veröffentlicht in:Physica status solidi. A, Applications and materials science Applications and materials science, 2013-12, Vol.210 (12), p.2579-2582
Hauptverfasser: Huan, Yu, Wang, Xiaohui, Zhang, Shaopeng, Gao, Renlong, Li, Longtu
Format: Artikel
Sprache:eng
Schlagworte:
Ceramics
domains
Phase transitions
piezoelectric ceramics
poling temperature
stress
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Zusammenfassung:The influence of poling temperature (Tp) on d33 and d33* of (Na0.52K0.4425Li0.0375)(Nb0.86Ta0.06Sb0.08)O3 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 (To–t). However, stress emerges by phase transition when poled above To–t leading to degrade d33. Consequently, the ceramics poled near To–t exhibit the best d33 of 350 pC N−1. In addition, d33*, derived from intrinsic and extrinsic contributions, remains about the same with Tp because the ultrafine, lamellar domains could easily respond to an external electric field.
ISSN:1862-6300
1862-6319
DOI:10.1002/pssa.201330040