Abstract

The observation of ordered domains and boundaries in Ba(Cd 1/3Ta 2/3)O 3 perovskite dielectrics by electron microscopy was presented. It was shown that the individual nanoscale domains were found to be well ordered with hexagonal symmetry. It was observed that the electron diffraction revealed a twinned crystallographic relationship between domains. The conservative twin boundaries along the (001) and (110) planes and nonconservative antiphase boundaries with a projected displacement vector of the type [001] were also observed. The relationship between the energy and structure of the domain boundaries was described.

Original languageEnglish (US)
Pages (from-to)3918-3920
Number of pages3
JournalApplied Physics Letters
Volume84
Issue number19
DOIs
StatePublished - May 10 2004

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antiphase boundaries
electron microscopy
electron diffraction
symmetry
energy

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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Ordered domains and boundary structure in Ba(Cd 1/3Ta 2/3)O 3 perovskite dielectrics. / Sun, J.; Liu, Shaojun; Newman, Nathan; Smith, David.

In: Applied Physics Letters, Vol. 84, No. 19, 10.05.2004, p. 3918-3920.

Research output: Contribution to journalArticle

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AB - The observation of ordered domains and boundaries in Ba(Cd 1/3Ta 2/3)O 3 perovskite dielectrics by electron microscopy was presented. It was shown that the individual nanoscale domains were found to be well ordered with hexagonal symmetry. It was observed that the electron diffraction revealed a twinned crystallographic relationship between domains. The conservative twin boundaries along the (001) and (110) planes and nonconservative antiphase boundaries with a projected displacement vector of the type [001] were also observed. The relationship between the energy and structure of the domain boundaries was described.

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