TY - JOUR
T1 - Doping effects on the piezoelectric properties of loẇ-temperature sintered PbTiO3-based ceramics for SAW applications
AU - Chen, Te Yi
AU - Chu, Sheng Yuan
AU - Cheng, Chih Kao
PY - 2003
Y1 - 2003
N2 - The Sm-modified lead titanate ceramics with a composition of (Pb 0.85Sm0.1) (Ti0.98Mn0.02)O 3 piezoceramics, doped and undoped with BiFeO3 (BF) and Ba(Cu0.5W0.5)O3 (BCW) oxides, were prepared by conventional mixed-oxide method, using sintering temperature at 1075°C and 1100°C. Microstructural and compositional analyses of the PbTiO 3-based ceramics have been carried out using XRD and SEM. The effects of dopants on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that these additives were helpful in lowering of the sintering temperature and still keep high thickness electromechanical coupling coefficient, kt, and small planar electromechanical coupling coefficient, kp. Surface acoustic wave (SAW) filters were fabricated and the phase velocities were measured.
AB - The Sm-modified lead titanate ceramics with a composition of (Pb 0.85Sm0.1) (Ti0.98Mn0.02)O 3 piezoceramics, doped and undoped with BiFeO3 (BF) and Ba(Cu0.5W0.5)O3 (BCW) oxides, were prepared by conventional mixed-oxide method, using sintering temperature at 1075°C and 1100°C. Microstructural and compositional analyses of the PbTiO 3-based ceramics have been carried out using XRD and SEM. The effects of dopants on the sintering temperature and piezoelectric properties of the ceramics have been investigated. We successfully showed that these additives were helpful in lowering of the sintering temperature and still keep high thickness electromechanical coupling coefficient, kt, and small planar electromechanical coupling coefficient, kp. Surface acoustic wave (SAW) filters were fabricated and the phase velocities were measured.
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U2 - 10.1080/10584580390259641
DO - 10.1080/10584580390259641
M3 - Article
AN - SCOPUS:33751284049
SN - 1058-4587
VL - 58
SP - 1315
EP - 1324
JO - Integrated Ferroelectrics
JF - Integrated Ferroelectrics
ER -