Nano-imaging photoresponse in a moiré unit cell of minimally twisted bilayer graphene

Niels C. H. Hesp; Iacopo Torre; David Barcons-Ruiz; Hanan Herzig Sheinfux; Kenji Watanabe; Takashi Taniguchi; Roshan Krishna Kumar; Frank H. L. Koppens

doi:10.1038/s41467-021-21862-5

Nature Communications (Mar 2021)

Nano-imaging photoresponse in a moiré unit cell of minimally twisted bilayer graphene

Niels C. H. Hesp,
Iacopo Torre,
David Barcons-Ruiz,
Hanan Herzig Sheinfux,
Kenji Watanabe,
Takashi Taniguchi,
Roshan Krishna Kumar,
Frank H. L. Koppens

Affiliations

Niels C. H. Hesp: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
Iacopo Torre: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
David Barcons-Ruiz: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
Hanan Herzig Sheinfux: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
Kenji Watanabe: Research Center for Functional Materials, National Institute for Materials Science
Takashi Taniguchi: International Center for Materials Nanoarchitectonics, National Institute for Materials Science
Roshan Krishna Kumar: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology
Frank H. L. Koppens: ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology

DOI: https://doi.org/10.1038/s41467-021-21862-5
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 8

Abstract

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Here, the authors use a nanoscale probe to study the photoresponse within a single moiré unit cell of minimally twisted bilayer graphene, and observe an intricate photo-thermoelectric response attributed to the Seebeck coefficient variation at AB-BA domain boundaries.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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