期刊
APPLIED PHYSICS EXPRESS
卷 2, 期 8, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1143/APEX.2.081101
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资金
- Ministry of Internal Affairs and Communications of Japan
- Japan Society for the Promotion of Science [19204033]
- Global COE Program Nanoscience and Quantum Physics at TokyoTech
- Grants-in-Aid for Scientific Research [19204033] Funding Source: KAKEN
We demonstrate a bidirectional current drag device, in which an electron tunneling through a double-quantum-clot (DQD) drags another electron in the other DQD in the same or opposite direction. The direction can be switched by choosing the corresponding cotunneling process of the two electrons. A reasonable drag effect is experimentally confirmed in a GaAs device. This result encourages optimizing the device for current mirror functions. (C) 2009 The Japan Society of Applied Physics
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