Resultados globales: 4 registros encontrados en 0.02 segundos.
Artículos, Encontrados 4 registros
Artículos Encontrados 4 registros  
1.
8 p, 761.1 KB Scale-invariant large nonlocality in polycrystalline graphene / Ribeiro, Mário (Nanogune) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ; Hueso, Luis E. (Nanogune) ; Casanova, Fèlix (Nanogune)
The observation of large nonlocal resistances near the Dirac point in graphene has been related to a variety of intrinsic Hall effects, where the spin or valley degrees of freedom are controlled by symmetry breaking mechanisms. [...]
2017 - 10.1038/s41467-017-02346-x
Nature communications, Vol. 8, issue 1 (Jan. 2017) , art. 2198  
2.
15 p, 1.0 MB 1D ferromagnetic edge contacts to 2D graphene/h-BN heterostructures / Karpiak, Bogdan (Chalmers University of Technology (Göteborg, Suècia)) ; Dankert, André (Chalmers University of Technology (Göteborg, Suècia)) ; Cummings, Aron W. (Institut Català de Nanociència i Nanotecnologia) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Roche, Stephan (Institut Català de Nanociència i Nanotecnologia) ; Dash, Saroj P. (Chalmers University of Technology (Göteborg, Suècia))
We report the fabrication of one-dimensional (1D) ferromagnetic edge contacts to two-dimensional (2D) graphene/h-BN heterostructures. While aiming to study spin injection/detection with 1D edge contacts, a spurious magnetoresistance signal was observed, which is found to originate from the local Hall effect in graphene due to fringe fields from ferromagnetic edge contacts and in the presence of charge current spreading in the nonlocal measurement configuration. [...]
2018 - 10.1088/2053-1583/aa8d2b
2D Materials, Vol. 5, Núm. 1 (January 2018) , article 14001  
3.
14 p, 2.2 MB Electron trajectories and magnetotransport in nanopatterned graphene under commensurability conditions / Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Thomsen, Morten Rishøj (Aalborg Universitet. Department of Physics and Nanotechnology) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Pedersen, Thomas Garm (Aalborg Universitet. Department of Physics and Nanotechnology)
Commensurability oscillations in the magnetotransport of periodically patterned systems, emerging from the interplay of cyclotron orbit and pattern periodicity, are a benchmark of mesoscopic physics in electron gas systems. [...]
2017 - 10.1103/PhysRevB.96.075425
Physical review B, Vol. 96, issue 7 (Aug. 2017) , p. 75425  
4.
10 p, 3.6 MB Nanostructured graphene for spintronics / Gregersen, Søren Schou (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene)
Zigzag edges of the honeycomb structure of graphene exhibit magnetic polarization, making them attractive as building blocks for spintronic devices. Here, we show that devices with zigzag-edged triangular antidots perform essential spintronic functionalities, such as spatial spin splitting or spin filtering of unpolarized incoming currents. [...]
2017 - 10.1103/PhysRevB.95.121406
Physical review B, Vol. 95, issue 12 (March 2017) , art. 121406  

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