Low-Energy Electron Diffraction Patterns Using Field-Emitted Electrons from Tungsten Tips
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概要
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We have observed low-energy electron diffraction patterns of Cu(001) clean surface using field-emitted electrons from tungsten tips. Only elastically scattered electrons contribute to diffraction patterns. Tip-sample distance, bias voltage, electron beam opening angle and tip apex structure determine the probing diameter and symmetry of diffraction patterns. The emission current, bias voltage and estimated probing diameter for the observed diffraction patterns were 0.15 nA, 75–82 V, and 4–40 μm, respectively.
- 2006-02-25
著者
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Mizuno Seigi
Department Of Molecular And Material Sciences Kyushu University
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RAHMAN F.
Department of Molecular and Material Sciences, Kyushu University
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Iwanaga Masayuki
Department Of Molecular And Material Sciences Kyushu University
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Iwanaga Masayuki
Department of Molecular and Material Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
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Rahman F.
Department of Molecular and Material Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
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