Results overview: Found 4 records in 0.02 seconds.
Articles, 4 records found
Articles 4 records found  
1.
9 p, 1.1 MB Quantum transport in graphene in presence of strain-induced pseudo-Landau levels / Settnes, Mikkel (Danmarks Tekniske Universitet. Department of Photonics Engineering) ; Leconte, Nicolas (Institut Català de Nanociència i Nanotecnologia) ; Barrios-Vargas, José Eduardo (Institut Català de Nanociència i Nanotecnologia) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Department of Photonics Engineering) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia)
Wereport on mesoscopic transport fingerprints in disordered graphene caused by strain-field induced pseudomagnetic Landau levels (pLLs). Efficient numerical real space calculations of the Kubo formula are performed for an ordered network of nanobubbles in graphene, creating pseudomagnetic fields up to several hundreds of Tesla, values inaccessible by real magnetic fields. [...]
2016 - 10.1088/2053-1583/3/3/034005
2D Materials, Vol. 3, issue 3 (Jan. 2016) , art. 34005  
2.
7 p, 503.0 KB Efficient linear scaling approach for computing the Kubo Hall conductivity / Ortmann, Frank (Technische Universität Dresden) ; Leconte, Nicolas (Institut Català de Nanociència i Nanotecnologia) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia)
We report an order-N approach to compute the Kubo Hall conductivity for disorderd two-dimensional systems reaching tens of millions of orbitals, and realistic values of the applied external magnetic fields (as low as a few Tesla). [...]
2015 - 10.1103/PhysRevB.91.165117
Physical Review B, Vol. 91, issue 16 (April 2015) , art. 165117  
3.
14 p, 2.3 MB Velocity renormalization and Dirac cone multiplication ind graphene superlattices with various barrier-edge geometries / De Jamblinne de Meux, Albert (Université Catholique de Louvain. Institute of Condensed Matter and Nanosciences) ; Leconte, Nicolas (Institut Català de Nanociència i Nanotecnologia) ; Charlier, Jean Christophe (Université Catholique de Louvain. Institute of Condensed Matter and Nanosciences) ; Lherbier, Aurélien (Université Catholique de Louvain. Institute of Condensed Matter and Nanosciences)
The electronic properties of one-dimensional graphene superlattices strongly depend on the atomic size and orientation of the 1D external periodic potential. Using a tight-binding approach, we show that the armchair and zigzag directions in these superlattices have a different impact on the renormalization of the anisotropic velocity of the charge carriers. [...]
2015 - 10.1103/PhysRevB.91.235139
Physical Review B, Vol. 91, issue 23 (2015) , art. 235139  
4.
6 p, 1.1 MB Unconventional features in the quantum Hall regime of disordered graphene : Percolating impurity states and Hall conductance quantization / Leconte, Nicolas (Institut Català de Nanociència i Nanotecnologia) ; Ortmann, Frank (Technische Universität Dresden) ; Cresti, Alessandro (Université Grenoble Alpes) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia)
We report on the formation of critical states in disordered graphene, at the origin of variable and unconventional transport properties in the quantum Hall regime, such as a zero-energy Hall conductance plateau in the absence of an energy band gap and Landau-level degeneracy breaking. [...]
2016 - 10.1103/PhysRevB.93.115404
Physical Review B, Vol. 93, Núm. 11 (March 2016) , p. 115404  

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1 Leconte, N.
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