Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21203
Title: A novel lead-free transparent ceramic with high electro-optic coefficient
Authors: Kwok, KW 
Li, F
Lin, D
Keywords: electro-optic ceramics
Lead-free ceramics
piezoelectric ceramics
transparent ceramics
Issue Date: 2011
Publisher: World Scientific Publ Co Pte Ltd
Source: Functional materials letters, 2011, v. 4, no. 3, p. 237-240 How to cite?
Journal: Functional Materials Letters 
Abstract: A novel lead-free transparent electro-optic ceramic (K0.5Na 0.5)0.95 Li0.05Nb0.95Bi 0.05O3+ 2 mol% excess Bi2O3 has been fabricated by hot-press sintering. The ceramic possesses a dense, fine-grained and pure-perovskite structure. Owing to the decreases in optical anisotropy of the crystal structure and optical scattering by the fine grains, the ceramic becomes visually clear. It exhibits a high transmittance of 60% in the near-IR region as well as a high effective linear electro-optic coefficient of 102 pm V-1. Although a relaxor behavior is induced, the ceramic exhibits reasonably good ferroelectric and piezoelectric properties (d33 = 64 pC N-1).
URI: http://hdl.handle.net/10397/21203
DOI: 10.1142/S1793604711001968
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