Ａｕ／Ｓｉ（１１１）‐γ（√３　×　√３）Ｒ３０°表面形成過程の評価

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書誌事項

タイトル別名
  • Formation Processes of the Au/Si(111)-.GAMMA.(.RAD.3 * .RAD.3) R30.DEG. Surface
  • Au Si 111 ガンマ 3 3 R30 ヒョウメン ケイセイ カテイ ノ ヒョウカ

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説明

We have investigated formation processes of the γ (√3×√3) R30° (γ√3) reconstructed surface for the Au/Si (111) system by using Auger electron spectroscopy, reflection high energy electron diffraction and scanning tunneling microscopy. Depositing Au onto the Si (111) - (7 × 7) substrate at a temperature of 600°C, we have successfully obtained the well-defined γ√3 surface with a single domain, which is extremely flat at an atomic scale. On the basis of the analysis of the surface composition, we have demonstrated that one monolayer of Au constitutes the γ√3 surface. Furthermore, it has been revealed that excess Au atoms at the surface contribute not to the formation of the surface reconstruction but to that of the liquid islands of Au.

収録刊行物

  • 真空

    真空 46 (4), 347-351, 2003

    一般社団法人 日本真空学会

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