Investigation on Resonant Vibration Performances of Fe-Doped BiScO3-PbTiO3 Ceramics in High-Temperature Environment

Jingen Wu, Yang Yu, Xiaotian Li, Xiangyu Gao, Shuxiang Dong

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The high-temperature performance of a series of Fe-doped BiScO3-PbTiO3 (BSPT) piezoelectric ceramics at the morphotropic phase boundary was investigated. The effects of different Fe contents on the piezoceramics were assessed with regard to variations in structure, morphology, dielectric properties, piezoelectric properties, and high-temperature resonant vibration. X-ray diffraction (XRD) results indicated that the Fe-doped BSPT ceramics show a single perovskite structure and that the c/a ratio undergoes a slight increase with increasing Fe concentrations. It was also found that, as the proportion of Fe in the ceramics was increased, the grain size was enlarged somewhat, the dielectric loss (tan δ) decreased, the mechanical quality factor (Qm) was gradually improved, and the Curie temperature (TC) was increased from 426C to approximately 460C. Despite these complex effects, it was evident that Fe doping can improve the high-temperature resonant vibration performance of BSPT ceramics, and that these materials exhibit stable resonant vibration velocities at temperatures as high as 225C. Our results indicate that Fe-doped BSPT ceramics have the potential to be used as piezoelectric power devices intended for high-temperature environments.

Original languageEnglish (US)
Pages (from-to)3145-3152
Number of pages8
JournalJournal of the American Ceramic Society
Volume98
Issue number10
DOIs
StatePublished - Oct 1 2015

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Temperature
Piezoelectric ceramics
Phase boundaries
Dielectric losses
Curie temperature
Dielectric properties
Perovskite
Doping (additives)
X ray diffraction
perovskite

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

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title = "Investigation on Resonant Vibration Performances of Fe-Doped BiScO3-PbTiO3 Ceramics in High-Temperature Environment",
abstract = "The high-temperature performance of a series of Fe-doped BiScO3-PbTiO3 (BSPT) piezoelectric ceramics at the morphotropic phase boundary was investigated. The effects of different Fe contents on the piezoceramics were assessed with regard to variations in structure, morphology, dielectric properties, piezoelectric properties, and high-temperature resonant vibration. X-ray diffraction (XRD) results indicated that the Fe-doped BSPT ceramics show a single perovskite structure and that the c/a ratio undergoes a slight increase with increasing Fe concentrations. It was also found that, as the proportion of Fe in the ceramics was increased, the grain size was enlarged somewhat, the dielectric loss (tan δ) decreased, the mechanical quality factor (Qm) was gradually improved, and the Curie temperature (TC) was increased from 426C to approximately 460C. Despite these complex effects, it was evident that Fe doping can improve the high-temperature resonant vibration performance of BSPT ceramics, and that these materials exhibit stable resonant vibration velocities at temperatures as high as 225C. Our results indicate that Fe-doped BSPT ceramics have the potential to be used as piezoelectric power devices intended for high-temperature environments.",
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Investigation on Resonant Vibration Performances of Fe-Doped BiScO3-PbTiO3 Ceramics in High-Temperature Environment. / Wu, Jingen; Yu, Yang; Li, Xiaotian; Gao, Xiangyu; Dong, Shuxiang.

In: Journal of the American Ceramic Society, Vol. 98, No. 10, 01.10.2015, p. 3145-3152.

Research output: Contribution to journalArticle

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