Multilayered Domain Control for Surface Plasmon Resonance

  • Saito Takao
    Advanced Technology Development Div., Central R&D Laboratories, Taiyo Yuden Co., Ltd.
  • Haraguchi Masanobu
    Department of Optical Science and Technology, University of Tokushima
  • Fukui Masuo
    Department of Optical Science and Technology, University of Tokushima

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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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