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Textured Potassium Sodium Niobate Lead-Free Ceramics with High d33 and Qm for Meeting High-Power Applications.
Liu, Dong; Zhu, Li-Feng; Tang, Ting; Li, Jin-Rui; Wang, Long; Liu, Yi-Xuan; Hao, Junjie; Wang, Shidong; Wang, Ke.
Afiliación
  • Liu D; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Zhu LF; Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China.
  • Tang T; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Li JR; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Wang L; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Liu YX; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China.
  • Hao J; State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Tsinghua University, Beijing 100084, China.
  • Wang S; Institute for Advanced Materials and Technology, University of Science and Technology Beijing, Beijing 100083, China.
  • Wang K; Musculoskeletal Tumor Center, Peking University People's Hospital, Beijing 100044, China.
ACS Appl Mater Interfaces ; 16(6): 7444-7452, 2024 Feb 14.
Article en En | MEDLINE | ID: mdl-38302429
ABSTRACT
Potassium sodium niobate (KNN) lead-free piezoceramics have garnered significant attention for their environmentally friendly attributes, desired piezoelectric activity (d33), and high Curie temperature (Tc). However, the limited applicability of most KNN systems in high-power apparatus, including ultrasonic motors, transformers, and resonators, persists due to the inherent low mechanical quality factor (Qm). Herein, we proposed an innovative strategy for achieving high Qm accompanied by desirable d33 via synergistic chemical doping and texturing in KNN piezoceramics. Comprehensive electrical measurements along with quantitative structural characterization at multilength scales reveal that the excellent electromechanical properties (kp = 0.58, d33 ∼ 134 pC·N-1, Qm = 582, and Tc ∼ 415 °C) originate from the high <001> texturing degree, nanodomain, as well as acceptor hardening. Our findings provide an insight and guidance for achieving high-power performance in lead-free KNN-based piezoceramics, which were expected to be used in advanced transducer technology.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: ACS Appl Mater Interfaces Asunto de la revista: BIOTECNOLOGIA / ENGENHARIA BIOMEDICA Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Estados Unidos