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Elastic constants, viscosity and response time in nematic liquid crystals doped with ferroelectric nanoparticles

Elastic constants, viscosity and response time in nematic liquid crystals doped with ferroelectric nanoparticles
Elastic constants, viscosity and response time in nematic liquid crystals doped with ferroelectric nanoparticles
We report on the role of ferroelectricity on the physical and electro-optic parameters in suspensions of nanoparticles in cyclohexane based, fluorinated nematic liquid crystals. The dielectric and elastic constants, response time, and viscosity of the suspensions were analyzed experimentally and compared with the undoped samples. Our study shows a decrease in the splay elastic constant and an increase in the dielectric constants, together with an increase in the average rotational viscosity.
2046-2069
46068-46074
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Herrington, Mark
c3562483-6312-4ffe-85d1-6201a16c3e2f
Mavrona, Elena
5a22f290-d08a-4d6c-af9f-5762b753ed03
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Kanaras, Antonios G.
667ecfdc-7647-4bd8-be03-a47bf32504c7
Stratakis, Emmanuel
73e27da3-b109-4404-94ef-12b8f1ab2d16
Blach, Jean-François
d3cfe01d-b1e5-4840-9d03-33795e43c7eb
Henninot, Jean-François
2efeee5c-5e90-49b0-9862-95846444732a
Warenghem, Marc
3bcded9d-7f89-4556-9b9b-6b74fab65cff
Podoliak, Nina
0908b951-00a7-48a5-bc82-631640910b9c
Buchnev, Oleksandr
60cdb0d2-3388-47be-a066-61b3b396f69d
Herrington, Mark
c3562483-6312-4ffe-85d1-6201a16c3e2f
Mavrona, Elena
5a22f290-d08a-4d6c-af9f-5762b753ed03
Kaczmarek, Malgosia
408ec59b-8dba-41c1-89d0-af846d1bf327
Kanaras, Antonios G.
667ecfdc-7647-4bd8-be03-a47bf32504c7
Stratakis, Emmanuel
73e27da3-b109-4404-94ef-12b8f1ab2d16
Blach, Jean-François
d3cfe01d-b1e5-4840-9d03-33795e43c7eb
Henninot, Jean-François
2efeee5c-5e90-49b0-9862-95846444732a
Warenghem, Marc
3bcded9d-7f89-4556-9b9b-6b74fab65cff

Podoliak, Nina, Buchnev, Oleksandr, Herrington, Mark, Mavrona, Elena, Kaczmarek, Malgosia, Kanaras, Antonios G., Stratakis, Emmanuel, Blach, Jean-François, Henninot, Jean-François and Warenghem, Marc (2014) Elastic constants, viscosity and response time in nematic liquid crystals doped with ferroelectric nanoparticles. RSC Advances, 4 (86), 46068-46074. (doi:10.1039/C4RA06248E).

Record type: Article

Abstract

We report on the role of ferroelectricity on the physical and electro-optic parameters in suspensions of nanoparticles in cyclohexane based, fluorinated nematic liquid crystals. The dielectric and elastic constants, response time, and viscosity of the suspensions were analyzed experimentally and compared with the undoped samples. Our study shows a decrease in the splay elastic constant and an increase in the dielectric constants, together with an increase in the average rotational viscosity.

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c4ra06248e - Version of Record
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Accepted/In Press date: 9 September 2014
Published date: 9 September 2014
Organisations: Optoelectronics Research Centre, Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 377402
URI: https://eprints.soton.ac.uk/id/eprint/377402
ISSN: 2046-2069
PURE UUID: 19699efa-cace-4201-ae8e-60acfc203e30
ORCID for Nina Podoliak: ORCID iD orcid.org/0000-0002-3146-0355
ORCID for Antonios G. Kanaras: ORCID iD orcid.org/0000-0002-9847-6706

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Date deposited: 04 Jun 2015 12:19
Last modified: 27 Nov 2018 01:32

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