The crystal chemistry of BiFeO3-based ferroelectrics

D. I. Woodward, I. M. Reaney, A. R. West, C. A. Randall

Research output: Contribution to conferencePaper

Abstract

X-ray diffraction and transmission electron microscopy have been carried out on samples in the solid solution series (BiFeO3)x - (PbTiO3)1-x at x = 1, 0.8, 0.7, and 0.6. The amplitude of the antiphase tilt rotations of the FeO6 octahedra about the pseudocubic 〈111〉 axes in BiFeO3 has been shown to decrease on addition of PbTiO3. The tilt is absent in the tetragonal structure at x = 0.6. Both rhombohedral and tetragonal structures were found to coexist at x = 0.7, in the region of the morphotropic phase boundary. In addition, evidence of an intermediate phase was found in the same sample.

Original languageEnglish (US)
Pages65-68
Number of pages4
StatePublished - Dec 1 2002
EventProceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics - Nara, Japan
Duration: May 28 2002Jun 1 2002

Other

OtherProceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics
CountryJapan
CityNara
Period5/28/026/1/02

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Crystal chemistry
Phase boundaries
Ferroelectric materials
Solid solutions
Transmission electron microscopy
X ray diffraction

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Cite this

Woodward, D. I., Reaney, I. M., West, A. R., & Randall, C. A. (2002). The crystal chemistry of BiFeO3-based ferroelectrics. 65-68. Paper presented at Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics, Nara, Japan.
Woodward, D. I. ; Reaney, I. M. ; West, A. R. ; Randall, C. A. / The crystal chemistry of BiFeO3-based ferroelectrics. Paper presented at Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics, Nara, Japan.4 p.
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Woodward, DI, Reaney, IM, West, AR & Randall, CA 2002, 'The crystal chemistry of BiFeO3-based ferroelectrics', Paper presented at Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics, Nara, Japan, 5/28/02 - 6/1/02 pp. 65-68.

The crystal chemistry of BiFeO3-based ferroelectrics. / Woodward, D. I.; Reaney, I. M.; West, A. R.; Randall, C. A.

2002. 65-68 Paper presented at Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics, Nara, Japan.

Research output: Contribution to conferencePaper

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AU - Woodward, D. I.

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N2 - X-ray diffraction and transmission electron microscopy have been carried out on samples in the solid solution series (BiFeO3)x - (PbTiO3)1-x at x = 1, 0.8, 0.7, and 0.6. The amplitude of the antiphase tilt rotations of the FeO6 octahedra about the pseudocubic 〈111〉 axes in BiFeO3 has been shown to decrease on addition of PbTiO3. The tilt is absent in the tetragonal structure at x = 0.6. Both rhombohedral and tetragonal structures were found to coexist at x = 0.7, in the region of the morphotropic phase boundary. In addition, evidence of an intermediate phase was found in the same sample.

AB - X-ray diffraction and transmission electron microscopy have been carried out on samples in the solid solution series (BiFeO3)x - (PbTiO3)1-x at x = 1, 0.8, 0.7, and 0.6. The amplitude of the antiphase tilt rotations of the FeO6 octahedra about the pseudocubic 〈111〉 axes in BiFeO3 has been shown to decrease on addition of PbTiO3. The tilt is absent in the tetragonal structure at x = 0.6. Both rhombohedral and tetragonal structures were found to coexist at x = 0.7, in the region of the morphotropic phase boundary. In addition, evidence of an intermediate phase was found in the same sample.

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Woodward DI, Reaney IM, West AR, Randall CA. The crystal chemistry of BiFeO3-based ferroelectrics. 2002. Paper presented at Proceedings of the 13th IEEE International Symposium on Applications of Ferroelectronics, Nara, Japan.