Creep in 0.91(Na1/2Bi1/2)TiO3-0.06BaTiO3-0.03K0.5Na0.5NbO3 lead-free piezoceramic under constant electric field loads

被引：0
作者：
Chen, Di [1 ,2 ]
Ayrikyan, Azatuhi [3 ]
Chu, Xiangcheng [2 ,4 ]
Kamlah, Marc [5 ]
Webber, Kyle G. [3 ]
机构：
[1] Grandblue Environm Co Ltd, Grandblue Res Inst, Ronghe Rd 23, Foshan 528200, Peoples R China
[2] Foshan Southern China Inst New Mat, Smart Devices & High end Equipment Lab, Foshan 528247, Peoples R China
[3] Friedrich Alexander Univ Erlangen Nurnberg, Dept Mat Sci & Engn, Martensstr 5, D-91058 Erlangen, Germany
[4] Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China
[5] Karlsruhe Inst Technol, Inst Appl Mat IAM WBM, Hermann von Helmholtz Pl 1, D-76344 Eggenstein leopoldshafen, Germany
来源：
JOURNAL OF PHYSICS D-APPLIED PHYSICS | 2024年 / 57卷 / 06期
关键词：
lead-free piezoceramic; constant electric field loading; creep behavior; PHASE-TRANSITION; MICROSCOPY; CERAMICS; BEHAVIOR;
D O I：
10.1088/1361-6463/ad090e
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
This work explores the creep behavior of polycrystalline 0.91(Na1/2Bi1/2)TiO3-0.06BaTiO(3)-0.03K(0.5)Na(0.5)NbO(3) under constant electric fields. It reveals intriguing time-dependent variations in both polarization and strain response, which can be attributed to a transformation from the relaxor state to a long-range ferroelectric order. Meanwhile, bulk volume resistivity values are obtained to eliminate the influence of leakage current on the polarization assessment. The findings provide valuable insights into the creep behavior of lead-free relaxor ferroelectrics, laying a solid foundation for enhancing the performance and reliability of piezoactuators.
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页数：9
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