Transition between Particle Nature and Wave Nature in Single-Walled Carbon Nanotube Device
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概要
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A convertible transistor that can operate as a resonant-tunneling transistor (RTT) and also as a single-hole transistor (SHT) using single-walled carbon nanotube (SWNT) is fabricated. The transition between RTT and SHT is achieved by modulating the coupling strength between the electrode and the quantum island using gate voltage change. Schottky barriers at the contact between the SWNT and the electrodes act as tunneling barriers. The thicknesses of the tunneling barriers are modulated by the gate voltage change, and the strength of the coupling between the electrode and quantum island is also changed. The characteristics of the convertible transistor can be observed up to 100 K.
- 2009-01-25
著者
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Kamimura Takafumi
National Institute Of Advanced Industrial Science And Technology
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Matsumoto Kazuhiko
National Inst. Of Advanced Industrial Sci. And Technol. Ibaraki Jpn
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Ohno Yasuhide
Core Research for Evolutional Science and Technology, 5 Sanbancho, Chiyoda-ku, Tokyo 102-0075, Japan
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Kamimura Takafumi
National Institute of Advanced Industrial Science and Technology, 1-1-1 Umezono Tsukuba, Ibaraki 305-8568, Japan
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