Thermal Stability of (1−x)BiScO3−xPbTiO3 Piezoelectric Ceramics for High‐Temperature Sensor Applications
S Chen, X Dong, C Mao, F Cao - Journal of the American …, 2006 - Wiley Online Library
S Chen, X Dong, C Mao, F Cao
Journal of the American Ceramic Society, 2006•Wiley Online LibraryHigh‐temperature piezoelectric (1− x) BiScO3− xPbTiO3 ceramics with composition (x=
0.62, 0.63, 0.64, and 0.65) near the morphotropic phase boundary were fabricated. A
thermal depoling experiment was used to investigate the stability of polarization at the
temperature range from 200° to 460° C. The results indicated that samples with
rhombohedral phase began to depole when the temperature was higher than 300° C, while
samples with a tetragonal phase showed good resistance to thermal depoling up to 440° C …
0.62, 0.63, 0.64, and 0.65) near the morphotropic phase boundary were fabricated. A
thermal depoling experiment was used to investigate the stability of polarization at the
temperature range from 200° to 460° C. The results indicated that samples with
rhombohedral phase began to depole when the temperature was higher than 300° C, while
samples with a tetragonal phase showed good resistance to thermal depoling up to 440° C …
High‐temperature piezoelectric (1−x)BiScO3−xPbTiO3 ceramics with composition (x=0.62, 0.63, 0.64, and 0.65) near the morphotropic phase boundary were fabricated. A thermal depoling experiment was used to investigate the stability of polarization at the temperature range from 200° to 460°C. The results indicated that samples with rhombohedral phase began to depole when the temperature was higher than 300°C, while samples with a tetragonal phase showed good resistance to thermal depoling up to 440°C, close to their Curie temperature.
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