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Proceedings Paper

Ferroelectric nanodomain patterning in a stoichiometric LiNbO3 crystal
Author(s): Shinji Higuchi; Kazuya Terabe; Masaru Nakamura; Shunji Takekawa; Sixin Wu; Yoshihiko Gotoh; Kenji Kitamura
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Paper Abstract

Microscale to nanoscale ferroelectric domain engineering of a near-stoichiometric LiNbO3 crystal was investigated by using a scanning force microscope. The single crystal LiNbO3 was grown by the double-crucible Czochralski method with automatic powder supply system. The electric field required to inverse the polarization direction of the domain was about one-ninth of the filed for a conventional congruent LiNbO3. The near-stoichiometric LiNbO3 crystal fixed on metal substrate was polished to a thickness of approximately 5 μm. Polarization directions of the domains were locally inverted by applying voltages with a conductive cantilever of the scanning force microscope. Furthermore, the domain structure was patterned in the LiNbO3 samples, where the domains were inverted by scanning with the cantilever on the sample while applying voltages.

Paper Details

Date Published: 16 June 2003
PDF: 7 pages
Proc. SPIE 4970, Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization, (16 June 2003); doi: 10.1117/12.479165
Show Author Affiliations
Shinji Higuchi, National Institute for Materials Science (Japan)
Tokyo Univ. of Science (Japan)
Kazuya Terabe, National Institute for Materials Science (Japan)
Masaru Nakamura, National Institute for Materials Science (Japan)
Shunji Takekawa, National Institute for Materials Science (Japan)
Sixin Wu, National Institute for Materials Science (Japan)
Yoshihiko Gotoh, Tokyo Univ. of Science (Japan)
Kenji Kitamura, National Institute for Materials Science (Japan)


Published in SPIE Proceedings Vol. 4970:
Laser Crystals, Glasses, and Nonlinear Materials Growth and Characterization
Yehoshua Y. Kalisky, Editor(s)

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