From Transparent Conduction to Coulomb Blockade at Fixed Hole Number

Schmid, Daniel R. and Stiller, Peter L. and Dirnaichner, Alois and Huttel, Andreas K. (2020) From Transparent Conduction to Coulomb Blockade at Fixed Hole Number. PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS, 257 (12): 2000253. ISSN 0370-1972, 1521-3951

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Abstract

A complex set of transport spectroscopy data on a clean single-wall carbon nanotube device in high magnetic fields is presented. At zero axial field, the device displays in hole conduction with increasingly negative gate voltage a fast transition toward high contact transparency and eventually Fabry-Perot interference of conductance. When increasing the axial field component up to B parallel to=17 T, the contact transparency and the overall conductance are reduced all the way to Coulomb blockade, clearly displaying the subsequent charging with the first ten holes. The continuous transition between the transport regimes is dominated by a rich spectrum of Kondo-like resonances, with distinct features in the stability diagrams.

Item Type: Article
Uncontrolled Keywords: CARBON NANOTUBES; TRANSPORT; carbon nanotubes; Coulomb blockade; Fabry– Pé rot interference; Kondo effect; mixed valence regime; quantum dots
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics
Physics > Institute of Experimental and Applied Physics > Chair Professor Weiss > Group Andreas K. Hüttel
Depositing User: Dr. Gernot Deinzer
Date Deposited: 08 Mar 2021 08:11
Last Modified: 08 Mar 2021 08:11
URI: https://pred.uni-regensburg.de/id/eprint/43372

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