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Magnetophotoelectric effect in graphene via tailored potential landscapes

Joris Josiek1,2, Friedemann Queisser1,2, Stephan Winnerl1, and Ralf Schützhold1,2

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Phys. Rev. Applied 26, 024061 – Published 21 August, 2026

DOI: https://doi.org/10.1103/k1y8-vr4y

Abstract

We study the propagation of charge carriers in planar graphene under the combined influence of a constant transversal magnetic field B and an in-plane varying electric potential ϕ(x). By suitably designing the potential landscape ϕ(x), we may effectively steer charge carriers generated by photoexcitation, for example, in order to achieve an efficient charge separation. In comparison to previously considered scenarios for the magnetophotoelectric effect in graphene involving folded graphene or graphene edges, for example, this scheme offers advantages in terms of robustness, scalability, and control. Thus, our findings may pave the way for transport schemes (“graphene electronics”) or photoelectric/photovoltaic applications.

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Phys. Rev. Applied 26, 024061– Published 21 August, 2026
  • Received 8 October 2025
  • Revised 14 April 2026
  • Accepted 18 June 2026
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

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