Journal
NANO LETTERS
Volume 10, Issue 10, Pages 3841-3845Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl101023u
Keywords
Carbon nanotube; single electron charge pumps; superconductivity
Categories
Funding
- Deutsche Forschungsgemeinschaft. (DFG) [SFB/TRR 21]
- World Class University (WCU) [R32-2008-000-10082-0]
- Korean Ministry of Education, Science and Technology
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A novel single electron pump based on individual molecules (a single wall carbon nanotube) is discussed in terms of the hybrid superconducting normal conducting pumping principle A concept demonstration device has been built based on a carbon nanotube contacted by Nb-Ti leads Charge current quantization is achieved through rf modulation of the back gate voltage The device is able to transfer a given number of electrons per pumping cycle Single electron pumping is achieved for pumping frequencies up to 80 MHz
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