Piezoelectric and ferroelectric properties of CN-doped K0.5Na0.5NbO3 lead-free ceramics

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題名:	Piezoelectric and ferroelectric properties of CN-doped K0.5Na0.5NbO3 lead-free ceramics
作者:	Yang, Ming-Ru Tsai, Cheng-Che Hong, Cheng-Shong Chu, Sheng-Yang Yang, Song-Ling 蔡震哲 (東方設計學院電子與資訊系)
貢獻者:	東方設計學院電子與資訊系
日期:	2010-11
上傳時間:	2015-07-07 14:18:53 (UTC+8)
摘要:	In this paper, lead-free (Na0.5K0.5)NbO3ceramicsdoped with 1 mol % CuNb2O6ceramics have been prepared by the conventional mixed oxide method with sintering temperature at 1075 °C. Microstructural analyses of NKN–xCN ceramics have been carried out and compared using x-ray diffraction and scanning electron microscope. The dependence of doping amount of the CN-doped NKN ceramics on the piezoelectric and ferroelectric properties has been investigated. The results show that the CN-doped NKN specimens sintered at 1075 °C present excellent “hard” piezoelectric properties of kp=40%, kt=45%, k33=57%, and ferroelectric properties Ec=25.5 kV/cm and Pr=22.63 μC/cm2. The mechanical quality factor (Qm) of NKN ceramics with CN additive is extraordinarily high (1933).
關聯:	Journal of Applied Physics, Vol.108 no.9, pp.094103 J. Appl. Phys.
顯示於類別:	[電子與資訊系(遊戲動畫系、動畫科)] 期刊論文

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