Journal
ELECTRONICS LETTERS
Volume 46, Issue 10, Pages 693-694Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2010.0752
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Funding
- Engineering and Physical Sciences Research Council (EPSRC) [GR/S12074/02]
- Centre for Advanced Photonics and Electronics (CAPE)
- EPSRC [EP/F00897X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/F00897X/1] Funding Source: researchfish
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Liquid crystals are attractive materials for microwave applications as tunable dielectrics owing to low losses and high anisotropy of dielectric properties. The possibility of further enhancing their dielectric anisotropy is studied by loading with highly polarisable and anisotropic rods-carbon nanotubes at various concentrations. The studies are performed using two different methods, one in the range 1-4 GHz and the other at 30 GHz. More than two times increase of microwave dielectric anisotropy in liquid crystals is reported when loaded with 0.01% wt of carbon nanotubes, which is a metastable suspension and 28% increase in an equilibrated suspension. The stability of the LC-CNT composites is discussed.
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