Electron Emission Tip at Extremely Low Bias Voltage
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概要
- 論文の詳細を見る
We report the invention of a modification technique of tungsten tip, which results modified tip apex capable of emitting electrons at extremely low bias voltage. Field-ion microscope induces the structural switching of the oxidized apex at room temperature, which is frozen out at low temperature. Thus modified tips exhibit an extraordinary decrease in applied bias needed for electron emission (typically from $-300$ to $-3.8$ V). Electron emission shows good angular confinement with an opening angle of less than 2°. Such special tip is repeatedly reproducible and stable for several hours at low temperature.
- 2006-08-25
著者
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Mizuno Seigi
Department Of Molecular And Material Sciences Kyushu University
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Rahman Faridur
Department Of Electrical Engineering Kyushu Institute Of Technology
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Rahman Faridur
Department of Molecular and Material Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan
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