Results 41 to 50 of about 15,250 (188)

Tunable Coulomb blockade in nanostructured graphene

, 2007
We report on Coulomb blockade and Coulomb diamond measurements on an etched, tunable single-layer graphene quantum dot. The device consisting of a graphene island connected via two narrow graphene constrictions is fully tunable by three lateral graphene ...
C. Stampfer, Chen, D. Graf, F. Molitor, J. Güttinger, K. Ensslin, Katsnelson, T. Ihn, Trauzettel   +8 more
core   +1 more source

Electric Field Excitation Suppression in Cold Atoms

Atoms, 2020
In this article, the atom excitation suppression is studied in two mechanisms. The first mechanism for excitation suppression is caused by an external DC electric field.
Jianing Han, Juliet Mitchell, Morgan Umstead   +2 more
doaj   +1 more source

Thermal broadening of the Coulomb blockade peaks in quantum Hall interferometers

, 2010
We demonstrate that the differential magnetic susceptibility of a fractional quantum Hall disk, representing a Coulomb island in a Fabry--Perot interferometer, is exactly proportional to the island's conductance and its paramagnetic peaks are the ...
Cappelli A., Di Francesco P., Heinzel T., Imry Y., Kubo R., Lachezar S. Georgiev, Weymann I., Zhang Y.   +7 more
core   +1 more source

Nanoelectronic primary thermometry below 4 mK

Nature Communications, 2016
When cooled to the millikelvin scale, nanoelectronic structures can become thermally detached from their environment, limiting nanoscale electronic thermometry.
D. I. Bradley, R. E. George, D. Gunnarsson, R. P. Haley, H. Heikkinen, Yu. A. Pashkin, J. Penttilä, J. R. Prance, M. Prunnila, L. Roschier, M. Sarsby   +10 more
doaj   +1 more source

Sequential and co-tunneling behavior in the temperature-dependent thermopower of few-electron quantum dots [PDF]

, 2006
We have studied the temperature dependent thermopower of gate-defined, lateral quantum dots in the Coulomb blockade regime using an electron heating technique.
A. D. Wieck, D. Reuter, E. G. Novik, H. Buhmann, J. M. Ziman, L. P. Kouwenhoven, L. W. Molenkamp, M. König, R. Scheibner, T. Borzenko   +9 more
core   +1 more source

Coherent Destruction of Coulomb Blockade Peaks in Molecular Junctions

, 2010
Coherent electronic transport in single-molecule junctions is investigated in the Coulomb blockade regime. Both the transmission phase and probability are calculated for junctions with various contact symmetries.
B. K. Janousek, C. A. Stafford, J. P. Bergfield, Ph. Jacquod   +3 more
core   +1 more source

Charge transport in single polymer fiber transistors in the sub-100 nm regime: temperature dependence and Coulomb blockade

JPhys Materials, 2022
Even though charge transport in semiconducting polymers is of relevance for a number of potential applications in (opto-)electronic devices, the fundamental mechanism of how charges are transported through organic polymers that are typically ...
Jakob Lenz, Martin Statz, K Watanabe, T Taniguchi, Frank Ortmann, R Thomas Weitz   +5 more
doaj   +1 more source

Tunnelling density of states at Coulomb blockade peaks [PDF]

, 2006
We calculate the tunnelling density of states (TDoS) for a quantum dot in the Coulomb blockade regime, using a functional integral representation with allowing correctly for the charge quantisation.
Efros A. L., Glazman L. I., I. V Lerner, I. V Yurkevich, Keldysh L. V., Kulik I. O., N Sedlmayr, Nazarov Y. V.   +7 more
core   +2 more sources

Conduction Mechanism Switching from Coulomb Blockade to Classical Critical Percolation Behavior in Disordered Nanoparticle Array

Advanced Electronic Materials
Large, open‐gate transistors made from metal nanoparticle arrays offer possibilities to build new electronic devices, such as sensors. A nanoparticle necklace network (N3) of Au particles from 300 K to cryogenic temperatures exhibit a nonohmic I–Vd ...
Abhijeet Prasad, Jay Min Lim, Ravi F Saraf   +2 more
doaj   +1 more source

The Coulomb based magneto-electric coupling in multiferroic tunnel junctions and granular multiferroics

AIP Advances, 2018
We study magneto-electric effect in two systems: i) multiferroic tunnel junction (MFTJ) - magnetic tunnel junction with ferroelectric barrier and ii) granular multiferroic (GMF) in which ferromagnetic (FM) metallic grains embedded into ferroelectric ...
O. G. Udalov, I. S. Beloborodov
doaj   +1 more source