Electron-Induced Modification of Ethylene Molecules Chemisorbed on Si(100) Surface
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概要
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The effects electron-beam irradiation had on ethylene-chemisorbed Si(100)-$2\times 1$ surfaces were investigated. We used a scanning tunneling microscope as an electron-beam source as well as for structural analysis. In the scanning tunneling microscope (STM) image taken of the surface after electron-beam irradiation, two kinds of small and large bright dots appeared, while numerous ethylene molecules had been removed by electron-stimulated desorption. The small bright dots could only be observed at very low electron doses. In contrast, the large bright dots once formed were resistant to successive electron irradiation. The large bright dots could be identified as cyclobutane chemisorbed on Si(100)-$2\times 1$. The small bright dots were intermediate species that remained after losing four hydrogen-atoms due to electron irradiation. These species easily react with desorbed ethylenes to form cyclobutanes.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2005-05-15
著者
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Imai Hidenori
Department Of Mechanical Engineering Graduate School Of Engineering University Of Hyogo
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HASEGAWA Takahide
Department of Mechanical Engineering, Graduate School of Engineering, University of Hyogo
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Mochiji Kozo
Department Of Mechanical And System Engineering Graduate School Of Engineering University Of Hyogo
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Mitamura Toru
Department Of Mechanical Engineering Graduate School Of Engineering University Of Hyogo
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Mochiji Kozo
Department of Mechanical Engineering, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyougo 671-2201, Japan
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Imai Hidenori
Department of Mechanical Engineering, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyougo 671-2201, Japan
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Mitamura Toru
Department of Mechanical Engineering, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyougo 671-2201, Japan
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Hasegawa Takahide
Department of Mechanical Engineering, Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyougo 671-2201, Japan
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Imai Hidenori
Department of Hematology Juntendo University Urayasu Hospital
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