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Articles, 2 records found
Articles 2 records found  
1.
34 p, 4.0 MB Gate electrostatics and quantum capacitance in ballistic graphene devices / Caridad, José M. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Shylau, Artsem A. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Gammelgaard, Lene (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Bøggild, Peter (Danmarks Tekniske Universitet. Center for Nanostructured Graphene)
We experimentally investigate the charge induction mechanism across gated, narrow, ballistic graphene devices with different degrees of edge disorder. By using magnetoconductance measurements as the probing technique, we demonstrate that devices with large edge disorder exhibit a nearly homogeneous capacitance profile across the device channel, close to the case of an infinitely large graphene sheet. [...]
2019 - 10.1103/PhysRevB.99.195408
Physical review B, Vol. 99, issue 19 (May 2019) , art. 195408  
2.
6 p, 1.3 MB Conductance quantization suppression in the quantum Hall regime / Caridad, José M. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Power, Stephen R. (Institut Català de Nanociència i Nanotecnologia) ; Lotz, Mikkel R. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Shylau, Artsem A. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Thomsen, Joachim D. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Gammelgaard, Lene (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Booth, Timothy J. (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Jauho, Antti-Pekka (Danmarks Tekniske Universitet. Center for Nanostructured Graphene) ; Bøggild, Peter (Danmarks Tekniske Universitet. Center for Nanostructured Graphene)
Conductance quantization is the quintessential feature of electronic transport in non-interacting mesoscopic systems. This phenomenon is observed in quasi one-dimensional conductors at zero magnetic field B, and the formation of edge states at finite magnetic fields results in wider conductance plateaus within the quantum Hall regime. [...]
2018 - 10.1038/s41467-018-03064-8
Nature communications, Vol. 9 (February 2018) , art. 659  

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