# Giant tunable magnetoresistance of electrically gated graphene ribbon with lateral interface under magnetic field

Source: [Giant tunable magnetoresistance of electrically gated graphene ribbon with lateral interface under magnetic field](<https://www.sota2.com/research/paper/68fa35a11e209131ce8a34a6>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-24T21:22:33.018Z

Authors: A.M. Kadigrobov

Published: 2016-09-21T17:41:42.000Z

## Abstract

Quantum dynamics and kinetics of electrically gated graphene ribbons with lateral n-p and e-n-p junctions under magnetic field are investigated. It is shown that the snake-like states of quasiparticles skipping along the n-p interface do not manifest themselve in the main semiclassical part of the ribbon conductance. Giant oscillations of the conductance of a ribbon with an n-p-n junction are predicted and analytically calculated. Depending on the number of junctions inside the ribbon its magnetoresistance may be controllably changed by 50% - 90% by an extremely small change of the magnetic field or the gate voltage.

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/1609.06648>)

[PDF](<https://arxiv.org/pdf/1609.06648.pdf>)