Study of the structure of ferroelectric domain walls in barium titanate ceramics

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Structure of 90{degree} ferroelectric domain boundaries in barium titanate ceramics has been studied by means of Transmission Electron Microscopy and High Resolution TEM. Tilts of specific fringes across domain walls are measured on HREM images and Selected Area Diffraction Patterns. They are in a good agreement with the twin model admitted for these domain boundaries. A computerized method has been developed to give access to quantitative information about atomic displacements across these ferroelectric domain walls. The so calculated displacement field is then compared with Landau-Ginzburg based theoretical predictions.

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5 p.

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Normand, L.; Thorel, A.; Kilaas, R. & Montardi, Y. February 1, 1995.

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Structure of 90{degree} ferroelectric domain boundaries in barium titanate ceramics has been studied by means of Transmission Electron Microscopy and High Resolution TEM. Tilts of specific fringes across domain walls are measured on HREM images and Selected Area Diffraction Patterns. They are in a good agreement with the twin model admitted for these domain boundaries. A computerized method has been developed to give access to quantitative information about atomic displacements across these ferroelectric domain walls. The so calculated displacement field is then compared with Landau-Ginzburg based theoretical predictions.

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5 p.

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OSTI as DE96004715

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  • 7. international conference on intergranular and interphase boundaries in materials (IIB-7), Lisbon (Portugal), 26-30 Jun 1995

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  • Other: DE96004715
  • Report No.: LBL--37985
  • Report No.: CONF-9506281--2
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 188656
  • Archival Resource Key: ark:/67531/metadc665211

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  • February 1, 1995

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  • June 29, 2015, 9:42 p.m.

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  • April 5, 2016, 12:31 p.m.

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Normand, L.; Thorel, A.; Kilaas, R. & Montardi, Y. Study of the structure of ferroelectric domain walls in barium titanate ceramics, article, February 1, 1995; California. (digital.library.unt.edu/ark:/67531/metadc665211/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.