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Influence of randomness on the effective dielectric function of metal-dielectric composites for metamaterial purposes


Sancho-Parramon, Jordi; Janicki, Vesna; Bosch, Salvador; Zorc, Hrvoje
Influence of randomness on the effective dielectric function of metal-dielectric composites for metamaterial purposes // Metamaterials 2011 Barcelona, Conference Proceedings / Martín, Ferran ; Bonache, Jordi ; Sisó, Gerard (ur.).
Barcelona, 2011. str. 131-133 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
Influence of randomness on the effective dielectric function of metal-dielectric composites for metamaterial purposes

Autori
Sancho-Parramon, Jordi ; Janicki, Vesna ; Bosch, Salvador ; Zorc, Hrvoje

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Metamaterials 2011 Barcelona, Conference Proceedings / Martín, Ferran ; Bonache, Jordi ; Sisó, Gerard - Barcelona, 2011, 131-133

ISBN
978-952-67611-0-7

Skup
Metamaterials '2011: The Fifth International Congress on Advanced Electromagnetic Materials in Microwaves and Optics

Mjesto i datum
Barcelona, Spain, 10-15.10.2011

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Metal-dielectric composites; randomness; surface plasmon resonance

Sažetak
The effective dielectric function of metal-dielectric composites consisting of spherical particles randomly distributed in a matrix is numerically investigated. The study, based on the spectral density theory, shows that local field fluctuations may critically affect the composite performance for metamaterial applications. It appears that randomness significantly modifies the effective dielectric function of composites consisting of metal inclusions embedded in dielectric matrix. The effect is less remarkable for dielectric inclusions in a metal matrix.

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-0000000-3191 - Optička svojstva nanostrukturnih slojeva (Hrvoje Zorc, )

Ustanove
Institut "Ruđer Bošković", Zagreb