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Giant Valley-Isospin Conductance Oscillations in Ballistic Graphene

Handschin, Clevin, Makk, Péter, Rickhaus, Peter , Maurand, Romain, Watanabe, Kenji, Taniguchi, Takashi, Richter, Klaus, Liu, Ming-Hao and Schönenberger, Christian (2017) Giant Valley-Isospin Conductance Oscillations in Ballistic Graphene. Nano Letters 17 (9), pp. 5389-5393.

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Date of publication of this fulltext: 29 Aug 2017 06:16

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Abstract

At high magnetic fields the conductance of graphene is governed by the half-integer quantum Hall effect. By local electrostatic gating a p-n junction perpendicular to the graphene edges can be formed, along which quantum Hall channels copropagate. It has been predicted by Tworzidlo and co-workers that if only the lowest Landau level is filled on both sides of the junction, the conductance is ...

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Item type:Article
Date:14 August 2017
Institutions:Physics > Institute of Theroretical Physics
Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
Projects:SFB 689: Spinphänomene in reduzierten Dimensionen, RI 681/13
Identification Number:
ValueType
10.1021/acs.nanolett.7b01964DOI
Keywords:P-N-JUNCTIONS; QUANTUM; TRANSPORT; GRAPHITE; STATES; EDGES; Valley-valve; valley isospin; valleytronics; encapsulated graphene; p-n junction; quantum Hall effect
Dewey Decimal Classification:500 Science > 530 Physics
Status:Published
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:Partially
Item ID:36101
Owner only: item control page

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