Bismuth nano-particle dispersed organic composite for optical components

N. Kitamura, Kohki Takahashi, Iwao Mogi, K. Fukumi, Satoshi Awaji, K. Watanabe

研究成果: Conference contribution

5 被引用数 (Scopus)

抄録

Bismuth is a half metal having anisotropic susceptibility and optical constants. Therefore, the crystal axis of bismuth particle can be oriented by magnetic torque under magnetic fields. Recently, bismuth nano-particles, which have spherical, plate-like and rod-like shapes, have been prepared by some chemical methods. Orientation of bismuth nanospheres in a viscous liquid was demonstrated by using in-situ observation system of x-ray diffraction under high magnetic field in this study. The anisotropic susceptibility determined from the orientation behavior was slightly smaller than that of the bulk bismuth crystal. We have successfully introduced oriented-bismuth nano-spheres into the transparent polymethyl metacrylate under high magnetic fields up to 8 T. The composite showed a difference in transmittance depending on the direction of propagation of light being parallel or perpendicular to the applied field, indicating an anisotropic nature of optical constants of the nano-particles. Transmission spectra, which were simulated on the nano-spheres oriented composite by rigorously coupled wave analysis (RCWA), indicated that the nano-sphere has larger anisotropy in optical constants than bulk bismuth.

本文言語English
ホスト出版物のタイトルOptical Components and Materials X
8621
DOI
出版ステータスPublished - 2013 5 29
イベントOptical Components and Materials X - San Francisco, CA, United States
継続期間: 2013 2 52013 2 6

Other

OtherOptical Components and Materials X
CountryUnited States
CitySan Francisco, CA
Period13/2/513/2/6

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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