Surface-Enhanced Raman Scattering from Surface Layers of Gas-Evaporated Silver Small Particles
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概要
- 論文の詳細を見る
Silver small particles prepared by the gas-evaporation technique with four different heater materials, i.e. Mo, W, C and Ta, have been studied by Raman and X-ray photoemission spectroscopy. Raman spectra of the particles prepared with the Mo and W heaters exhibit a strong and asymmetric band at about 900 cm-1 and a few weak bands below 350 cm-1. These Raman bands are absent in the spectra of particles prepared by C and Ta heaters. Results of XPS suggest the formation of oxides of Mo and W at the particle surfaces. The observed Raman bands can thus be attributed to surface-enhanced bands originating from the oxide coatings. We identify the coatings with amorphous Ag2MoO4 and Ag2WO4.
- INSTITUTE OF PURE AND APPLIED PHYSICSの論文
- 1989-08-20
著者
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ISHIDA Hideyuki
Toray Research Center Inc.
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Hayashi Shinji
Department Of Anatomy And Embryology Tokyo Metropolitan Institute For Neuroscience
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YAMAMOTO Keiichi
Department of Bioengineering, Faculty of Engineering, Soka University
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Koh Risho
Department of Electronic Engineering, Faculty of Engineering, Kobe University, Rokko, Nade, Kobe 657
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Ishida Hideyuki
Toray Research Center, 1-Chome, Sonoyama, Otsu, Shiga 520
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