Real time electron tunneling and pulse spectroscopy in carbon nanotube quantum dots |
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| Authors: | Gotz Georg Steele Gary A Vos Willem-Jan Kouwenhoven Leo P |
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| Affiliation: | Kavli Institute of Nanoscience, Delft University of Technology, P.O. Box 5046, 2600 GA Delft, The Netherlands. G.T.J.Goetz@tudelft.nl |
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| Abstract: | We investigate a quantum dot (QD) in a carbon nanotube (CNT) in the regime where the QD is nearly isolated from the leads. An aluminum single electron transistor (SET) serves as a charge detector for the QD. We precisely measure and tune the tunnel rates into the QD in the range between 1 kHz and 1 Hz, using both pulse spectroscopy and real-time charge detection, and measure the excitation spectrum of the isolated QD. |
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