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Titolo:
Optical properties of Au-SiO2 composite films - a possible candidate as anelement in phase-change optical media
Autore:
Ashida, S; Kikitsu, A; Nagase, T; Nakamura, N; Ichihara, K;
Indirizzi:
Toshiba Corp, Mat & Devices Lab, Ctr Res & Dev, Saiwai Ku, Kawasaki, Kanagawa 2108582, Japan Toshiba Corp Kawasaki Kanagawa Japan 2108582 aki, Kanagawa 2108582, Japan Toshiba Corp, Multimedia Engn Lab, Saiwai Ku, Kawasaki, Kanagawa 2108501, Japan Toshiba Corp Kawasaki Kanagawa Japan 2108501 aki, Kanagawa 2108501, Japan
Titolo Testata:
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS
fascicolo: 3B, volume: 38, anno: 1999,
pagine: 1629 - 1633
SICI:
0021-4922(199903)38:3B<1629:OPOACF>2.0.ZU;2-2
Fonte:
ISI
Lingua:
ENG
Keywords:
phase change optical data storage; Maxwell Garnett theory; Au-SiO2 composite thin films; refractive index;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
4
Recensione:
Indirizzi per estratti:
Indirizzo: Ashida, S Toshiba Corp, Mat & Devices Lab, Ctr Res & Dev, Saiwai Ku, 1 Komukai Tochiba Cho, Kawasaki, Kanagawa 2108582, Japan Toshiba Corp 1 Komukai Tochiba Cho Kawasaki Kanagawa Japan 2108582
Citazione:
S. Ashida et al., "Optical properties of Au-SiO2 composite films - a possible candidate as anelement in phase-change optical media", JPN J A P 1, 38(3B), 1999, pp. 1629-1633

Abstract

The thin films used for phase-change recording media need to be chosen in consideration of both optical and thermal properties. Metal-dielectric composite films are one of the candidates for such films; they may allow adjustment of the light absorption and hear flow inside the recording medium. Theproperties of Au-SiO2 composite films are examined by comparing experimental results with theoretical predictions obtained using the Maxwell-Garnett theory. It is found that the optical constant for a sputter-deposited Au-SiO2 composite film cannot be accurately predicted by the theory for wavelengths longer than 500 nm if an assumed value of the optical constant of the bulk metal is used. However. much more accurate predictions are performed ifthe optical constant of the metal particles is used. It is shown that appropriate values for the optical constant of the metal particles are the onescalculated by the inverse application of the,Maxwell Garnett theory.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 05/04/20 alle ore 08:19:20