期刊
APPLIED PHYSICS LETTERS
卷 103, 期 17, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4826504
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资金
- Polish Ministry of Sciences and Higher Education [O R00 0144 12]
- National Science Center [2012/07/N/ST8/03284]
In this Letter, we report on measurements of the complex permittivity of highly anisotropic nematic liquid crystals at microwave frequencies as a function of the AC bias voltage. Permittivity measurements have been performed by the split post dielectric resonator technique. The experiments have shown that when the AC bias voltage increases from 0 to 8 V, the real part of the permittivity of these liquid crystals changes by up to 28%. The tunability and the relatively low dielectric losses observed in these liquid crystal mixtures mean that they are ideal materials for the design of tunable microwave components. (C) 2013 AIP Publishing LLC.
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