0.90(Bi1/2Na1/2)TiO3–0.05(Bi1/2K1/2)TiO3– 0.05BaTiO3transducer for ultrasonic wirebonding applications
✍ Scribed by S.H. Choy; X.X. Wang; C.P. Chong; H.L.W. Chan; P.C.K. Liu; C.L. Choy
- Publisher
- Springer
- Year
- 2006
- Tongue
- English
- Weight
- 256 KB
- Volume
- 84
- Category
- Article
- ISSN
- 1432-0630
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## Abstract The ac impedance measurement was used to investigate the yttrium (Y)‐doped 0.99BaTiO~3~‐0.01Bi~1/2~Na~1/2~TiO~3~ (0.99BT‐0.01BNT) lead‐free positive temperature coefficient of resistivity (PTCR) ceramics in the frequency range from 40 Hz to 2 MHz and in the temperature range from room t
Lead-free piezoelectric ceramics (1x)(0.98K 0.5 Na 0.5 NbO 3 -0.02LiTaO 3 )-x(0.96Bi 0.5 Na 0.5 TiO 3 -0.04BaTiO 3 ) (KNN-LT-BNT-BT) with x = 0-0.10 have been synthesized by a conventional sintering technique. All samples possess pure perovskite structure, showing room temperature symmetries of orth