Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/43790
Title: Enhancement of optical transparency in Bi<inf>2</inf>O<inf>3</inf>-modified (K<inf>0.5</inf>Na<inf>0.5</inf>)<inf>0.9</inf>Sr<inf>0.1</inf>Nb<inf>0.9</inf>Ti<inf>0.1</inf>O<inf>3</inf> ceramics for electro-optic applications
Authors: Liu, Z
Fan, H
Peng, B
Issue Date: 2015
Publisher: Springer
Source: Journal of materials science, 2015, v. 50, no. 24, p. 7958-7966 How to cite?
Journal: Journal of materials science 
Abstract: Transparent relaxor ferroelectrics, (K<inf>0.5</inf>Na<inf>0.5</inf>)<inf>0.9</inf>Sr<inf>0.1</inf>Nb<inf>0.9</inf>Ti<inf>0.1</inf>O<inf>3</inf>–x%Bi<inf>2</inf>O<inf>3</inf> (x = 0, 0.5, 1.0, 1.5, and 2, abbreviated as KNSNT-10x), were fabricated using a pressureless sintering method. With the modification of Bi<inf>2</inf>O<inf>3</inf>, the crystal phase of KNSNT ceramics transformed from tetragonal to cubic-like symmetry, and dielectric behaviors became more relaxor like. These changes could reduce the light scattering arisen from birefringence and long-range ordering structure, thus enhancing the optical properties. For KNSNT-10 transparent ceramics, fingerprint morphological nanodomains were observed in the transmission electron microscope image, which made the ceramics sensitive to electric field. Therefore, a large effective linear electro-optic coefficient of 26.1 pm/V was obtained for the KNSNT-10 ceramics, and it is higher than the value (19.9 pm/V) for LiNbO<inf>3</inf> single crystal.
URI: http://hdl.handle.net/10397/43790
ISSN: 0022-2461
EISSN: 1573-4803
DOI: 10.1007/s10853-015-9360-y
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