Wavy Fringes at Domain Boundaries in Barium Titanate Observed in the Electron Microscope | Zendy

Remaut G. | Zendy; Gevers R. | Zendy; Amelinckx S. | Zendy

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Wavy Fringes at Domain Boundaries in Barium Titanate Observed in the Electron Microscope

Author(s) -

Remaut G.,

Gevers R.,

Amelinckx S.

Publication year - 1967

Publication title -

physica status solidi (b)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.51

H-Index - 109

eISSN - 1521-3951

pISSN - 0370-1972

DOI - 10.1002/pssb.19670200223

Subject(s) - barium titanate , domain (mathematical analysis) , boundary (topology) , materials science , electron microscope , electron , optics , condensed matter physics , geometry , physics , mathematics , optoelectronics , dielectric , mathematical analysis , quantum mechanics

A series of numerically calculated fringe profiles shows that images of zig‐zag fringes superposed on wavy fringe patterns in BaTiO 3 result from three superposed ferro‐electric domain walls. The two outer walls being 90° boundaries, while the central interface is a 180° boundary which, in order to decrease the electrostatic energy, “meanders” between the two 90° walls.

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