Piezoelectric enhancement of relaxor-based lead-free piezoelectric ceramics by nanodomain engineering

Ichiro Fujii, Ryuta Mitsui, Kouichi Nakashima, Nobuhiro Kumada, Satoshi Wada, Hisato Yabuta, Mikio Shimada, Takayuki Watanabe, Kaoru Miura

研究成果: 著書/レポートタイプへの貢献会議での発言

抄録

0.3BaTiO 3-0.1Bi(Mg 1/2Ti 1/2)O 3-0.6BiFeO 3 ceramics were either doped with vanadium or sintered in calcined powder with the same composition. Compared to an undoped ceramic sintered without the calcined powder, both ceramics showed reduced leakage current densities (lower than 1 x 10 -7 A/cm 2) and absence of dielectric relaxation behaviors observed in frequency-and temperature-dependent dielectric measurements. The Curie temperatures of both samples were higher than 460°C. The maximum field-induced strain over the applied field, S max/E max, of 366 pm/V of the undoped ceramic sintered without the calcined powder increased to 455 and 799 pm/V for the V-doped sample and the sample sintered with the calcined powder, respectively. The increase was related to a reduced concentration of bismuth vacancy - oxygen vacancy defect dipoles.

元の言語英語
ホスト出版物のタイトルProc. of 2012 21st IEEE International Symposium on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE, ISAF/ECAPD/PFM 2012
DOI
出版物ステータス出版済み - 10 31 2012
イベント2012 21st IEEE Int. Symp. on Applications of Ferroelectrics Held with 11th IEEE European Conf. on Applications of Polar Dielectrics and 4th IEEE Int. Symp on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials, ISAF/ECAPD/PFM - Aveiro, ポルトガル
継続期間: 7 9 20127 13 2012

その他

その他2012 21st IEEE Int. Symp. on Applications of Ferroelectrics Held with 11th IEEE European Conf. on Applications of Polar Dielectrics and 4th IEEE Int. Symp on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials, ISAF/ECAPD/PFM
ポルトガル
Aveiro
期間7/9/127/13/12

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Piezoelectric ceramics
Lead
Powders
Dielectric relaxation
Oxygen vacancies
Curie temperature
Bismuth
Leakage currents
Vanadium
Vacancies
Current density
Defects
Chemical analysis
Temperature

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

これを引用

Fujii, I., Mitsui, R., Nakashima, K., Kumada, N., Wada, S., Yabuta, H., ... Miura, K. (2012). Piezoelectric enhancement of relaxor-based lead-free piezoelectric ceramics by nanodomain engineering. : Proc. of 2012 21st IEEE International Symposium on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE, ISAF/ECAPD/PFM 2012 [6297767] https://doi.org/10.1109/ISAF.2012.6297767

Piezoelectric enhancement of relaxor-based lead-free piezoelectric ceramics by nanodomain engineering. / Fujii, Ichiro; Mitsui, Ryuta; Nakashima, Kouichi; Kumada, Nobuhiro; Wada, Satoshi; Yabuta, Hisato; Shimada, Mikio; Watanabe, Takayuki; Miura, Kaoru.

Proc. of 2012 21st IEEE International Symposium on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE, ISAF/ECAPD/PFM 2012. 2012. 6297767.

研究成果: 著書/レポートタイプへの貢献会議での発言

Fujii, I, Mitsui, R, Nakashima, K, Kumada, N, Wada, S, Yabuta, H, Shimada, M, Watanabe, T & Miura, K 2012, Piezoelectric enhancement of relaxor-based lead-free piezoelectric ceramics by nanodomain engineering. : Proc. of 2012 21st IEEE International Symposium on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE, ISAF/ECAPD/PFM 2012., 6297767, 2012 21st IEEE Int. Symp. on Applications of Ferroelectrics Held with 11th IEEE European Conf. on Applications of Polar Dielectrics and 4th IEEE Int. Symp on Piezoresponse Force Microscopy and Nanoscale Phenomena in Polar Materials, ISAF/ECAPD/PFM, Aveiro, ポルトガル, 7/9/12. https://doi.org/10.1109/ISAF.2012.6297767
Fujii I, Mitsui R, Nakashima K, Kumada N, Wada S, Yabuta H その他. Piezoelectric enhancement of relaxor-based lead-free piezoelectric ceramics by nanodomain engineering. : Proc. of 2012 21st IEEE International Symposium on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE, ISAF/ECAPD/PFM 2012. 2012. 6297767 https://doi.org/10.1109/ISAF.2012.6297767
Fujii, Ichiro ; Mitsui, Ryuta ; Nakashima, Kouichi ; Kumada, Nobuhiro ; Wada, Satoshi ; Yabuta, Hisato ; Shimada, Mikio ; Watanabe, Takayuki ; Miura, Kaoru. / Piezoelectric enhancement of relaxor-based lead-free piezoelectric ceramics by nanodomain engineering. Proc. of 2012 21st IEEE International Symposium on Applications of Ferroelectrics Held Jointly with 11th IEEE European Conference on the Applications of Polar Dielectrics and IEEE, ISAF/ECAPD/PFM 2012. 2012.
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author = "Ichiro Fujii and Ryuta Mitsui and Kouichi Nakashima and Nobuhiro Kumada and Satoshi Wada and Hisato Yabuta and Mikio Shimada and Takayuki Watanabe and Kaoru Miura",
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AU - Wada, Satoshi

AU - Yabuta, Hisato

AU - Shimada, Mikio

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AB - 0.3BaTiO 3-0.1Bi(Mg 1/2Ti 1/2)O 3-0.6BiFeO 3 ceramics were either doped with vanadium or sintered in calcined powder with the same composition. Compared to an undoped ceramic sintered without the calcined powder, both ceramics showed reduced leakage current densities (lower than 1 x 10 -7 A/cm 2) and absence of dielectric relaxation behaviors observed in frequency-and temperature-dependent dielectric measurements. The Curie temperatures of both samples were higher than 460°C. The maximum field-induced strain over the applied field, S max/E max, of 366 pm/V of the undoped ceramic sintered without the calcined powder increased to 455 and 799 pm/V for the V-doped sample and the sample sintered with the calcined powder, respectively. The increase was related to a reduced concentration of bismuth vacancy - oxygen vacancy defect dipoles.

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