From Transparent Conduction to Coulomb Blockade at Fixed Hole Number,Physica Status Solidi (B) - Basic Solid State Physics

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From Transparent Conduction to Coulomb Blockade at Fixed Hole Number
Physica Status Solidi (B) - Basic Solid State Physics ( IF 1.5 ) Pub Date : 2020-10-29 , DOI: 10.1002/pssb.202000253
Daniel R. Schmid ₁ , Peter L. Stiller ₁ , Alois Dirnaichner ₁ , Andreas K. Hüttel _{1,

2}

Affiliation

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–Pérot interference of conductance. When increasing the axial field component up to

B_{∥} = 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.

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