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Ferroelectric nanoparticles in low refractive index liquid crystals for strong electro-optic response

Ferroelectric nanoparticles in low refractive index liquid crystals for strong electro-optic response
Ferroelectric nanoparticles in low refractive index liquid crystals for strong electro-optic response
Functional materials based on ferroelectric, inorganic nanoparticles, and low refractive index nematic liquid crystals show strong induced birefringence and dielectric anisotropy. Birefringence can increase by a factor of 2 and dielectric anisotropy by a factor of 3 as compared with nominally pure liquid crystals. The enhancement of the electro-optic performance is higher in liquid crystals with Sn2P2S6 (SPS) nanoparticles than with BaTiO3 nanoparticles. The shape and size distribution of both types of ferroelectric particles were characterized using atomic force microscopy. The average size of SPS nanoparticles was 45 nm and of BaTiO3 nanoparticles was 20 nm.
atomic force microscopy, barium compounds, birefringence, electro-optical effects, ferroelectric materials, nanoparticles, nematic liquid crystals, phosphorus compounds, photorefractive materials, refractive index, tin compounds
0003-6951
103307-[3pp]
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Buchnev, O.
60cdb0d2-3388-47be-a066-61b3b396f69d
Nandhakumar, I.
e9850fe5-1152-4df8-8a26-ed44b5564b04
Kaczmarek, M.
408ec59b-8dba-41c1-89d0-af846d1bf327
Buchnev, O.
60cdb0d2-3388-47be-a066-61b3b396f69d
Nandhakumar, I.
e9850fe5-1152-4df8-8a26-ed44b5564b04

Kaczmarek, M., Buchnev, O. and Nandhakumar, I. (2008) Ferroelectric nanoparticles in low refractive index liquid crystals for strong electro-optic response. Applied Physics Letters, 92 (10), 103307-[3pp]. (doi:10.1063/1.2884186).

Record type: Article

Abstract

Functional materials based on ferroelectric, inorganic nanoparticles, and low refractive index nematic liquid crystals show strong induced birefringence and dielectric anisotropy. Birefringence can increase by a factor of 2 and dielectric anisotropy by a factor of 3 as compared with nominally pure liquid crystals. The enhancement of the electro-optic performance is higher in liquid crystals with Sn2P2S6 (SPS) nanoparticles than with BaTiO3 nanoparticles. The shape and size distribution of both types of ferroelectric particles were characterized using atomic force microscopy. The average size of SPS nanoparticles was 45 nm and of BaTiO3 nanoparticles was 20 nm.

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More information

Published date: 10 March 2008
Keywords: atomic force microscopy, barium compounds, birefringence, electro-optical effects, ferroelectric materials, nanoparticles, nematic liquid crystals, phosphorus compounds, photorefractive materials, refractive index, tin compounds
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 57316
URI: https://eprints.soton.ac.uk/id/eprint/57316
ISSN: 0003-6951
PURE UUID: 8f114af0-ed3d-4769-b8f6-c06c94ba919c
ORCID for I. Nandhakumar: ORCID iD orcid.org/0000-0002-9668-9126

Catalogue record

Date deposited: 13 Aug 2008
Last modified: 15 Aug 2019 00:51

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