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A Molecular Quantized Charge Pump

Authors
Siegle, ViktorLiang, Chen-WeiKaestner, BerndSchumacher, Hans WernerJessen, FlorianKoelle, DieterKleiner, ReinholdRoth, Siegmar
Issue Date
Oct-2010
Publisher
AMER CHEMICAL SOC
Keywords
Carbon nanotube; single electron charge pumps; superconductivity
Citation
NANO LETTERS, v.10, no.10, pp.3841 - 3845
Indexed
SCIE
SCOPUS
Journal Title
NANO LETTERS
Volume
10
Number
10
Start Page
3841
End Page
3845
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/115635
DOI
10.1021/nl101023u
ISSN
1530-6984
Abstract
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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