Volume 116, Number 1, October 2016
|Number of page(s)||4|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||08 November 2016|
A new property of the effective permittivity in polymeric medium with random distribution of spherical nanoparticles
1 Department of Electronic Science, Xiamen University - Xiamen, Fujian 361005, China
2 Department of Electrical and Computer Engineering, Duke University - Durham, NC 27708, USA
Received: 22 September 2016
Accepted: 20 October 2016
In polymeric medium with random distribution of plasmonic spherical nanoparticles, we find that the real and imaginary parts of the effective permittivity form a circle. Though the effective permittivity depends on the permittivity of the host medium, the fill fraction of guest nanoparticles, the resonance frequency of plasmonic spherical particles and the frequency of incident wave, the center and the radius of the circle are only decided by the permittivity of the host medium and the fill fraction of guest nanoparticles. Numerical computations for different kinds of polymeric media and different fill fractions verify the results.
PACS: 77.84.Jd – Polymers; organic compounds / 42.70.Jk – Polymers and organics / 78.20.Ci – Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity)
© EPLA, 2016
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