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Ferroelectric domains in pure $LiNbO_3$ and their influence on microhardness

Dhanaraj, G and Bhat, HL and Narayanan, PS (1994) Ferroelectric domains in pure $LiNbO_3$ and their influence on microhardness. In: 8th IUPAP International Meeting on Ferroelectricity: IMF-8, 8-13 Aug. 1993, Gaithersburg, MD, USA, pp. 7-12.

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Abstract

$LiNbO_3$ crystals were grown by Czochralski pulling method. By suitably optimizing the after-heater configuration a crystal to crucible diameter ratio of 64% was achieved. The boules were poled at high temperature for obtaining single domain crystals. Variation of microhardness with applied load was evaluated. Hardness studies on different domains revealed that the negative domains have higher microhardness than the positive ones

Item Type: Conference Paper
Additional Information: Copyright of this article belongs to Gordon & Breach Science Publ Inc.
Keywords: crystal growth from melt;electric domains;ferroelectric materials;lithium compounds;microhardness
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 08 Nov 2007
Last Modified: 11 Jan 2012 10:11
URI: http://eprints.iisc.ernet.in/id/eprint/11058

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