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Multilayered Domain Control for Surface Plasmon Resonance

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Published 16 September 2005 Copyright (c) 2005 The Japan Society of Applied Physics
, , Citation Takao Saito et al 2005 Jpn. J. Appl. Phys. 44 L1234 DOI 10.1143/JJAP.44.L1234

1347-4065/44/9L/L1234

Abstract

Metal particles are utilized to study surface plasmon resonance. They are regulated in terms of their dimensions to control surface plasmon resonance, and sealed with a dielectric material. In this study, we applied a method of domain growth to form particles. It is an advantage in manufacturing because the entire process is carried out in a sputtering system. We describe a method of multilayered domain control (MLDC), illustrating it with Au, Ag and Cu for particles and SiO2 for dielectric layers in this paper. A remarkable feature of MLDC is its intensification of surface plasmon resonance. Moreover, this intensification enables base metals to substitute for noble metals.

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10.1143/JJAP.44.L1234