Anomalous Enhancement of Light Emission by Au Adsorption on a Si(001) Vicinal Surface(Condensed Matter: Structure, Mechanical and Thermal Properties)

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概要

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• Anomalous enhancement of light emission from a Si(001) vicinal surface induced by Au adsorption was observed using a light detecting system combined with a transmission electron microscope. The Si(001) vicinal surface was separated into Si(001)5×3.2-Au terraces and Si(119)"8×2"-Au facets by Au adsorption. It was found that the electron-beam-induced light emission is highly polarized due to anisotropy of the surface structure. The emission intensity from the Si(001)-Au terrace is enhanced for the s-polarized direction parallel to the surface steps in the wavelength range of 270-450nm, and reduced for the p-polarized direction. This result indicates that the Au adsorption on the Si(001) vicinal surface modifies the optical properties of the materials (in the present case Si), suggesting the formation of a new material phase on the surface.

• 社団法人日本物理学会の論文
• 2005-07-15

著者

• Minoda Hiroki

  Department Of Applied Physics Tokyo University Of Agriculture And Technology:crest Japan Science And

• YAMAMOTO Naoki

  CREST, Japan Science and Technology Agency

• YAMAMOTO Naoki

  CREST, Japan Science and Technology Agency:Physics Department, Tokyo Institute of Technology

関連論文

• Design features of a new ultra-high vacuum electron microscope with an omega filter
• Anomalous Enhancement of Light Emission by Au Adsorption on a Si(001) Vicinal Surface(Condensed Matter: Structure, Mechanical and Thermal Properties)
• Achieving 63 pm Resolution in Scanning Transmission Electron Microscope with Spherical Aberration Corrector
• Study of an Effective Charge of Si Adatoms on a Si(111) 1×1 Surface(Condensed Matter : Structure,Mechanical and Thermal Properties)

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