Charge-polarized interfacial superlattices in marginally twisted hexagonal boron nitride

C. R. Woods; P. Ares; H. Nevison-Andrews; M. J. Holwill; R. Fabregas; F. Guinea; A. K. Geim; K. S. Novoselov; N. R. Walet; L. Fumagalli

doi:10.1038/s41467-020-20667-2

Nature Communications (Jan 2021)

Charge-polarized interfacial superlattices in marginally twisted hexagonal boron nitride

C. R. Woods,
P. Ares,
H. Nevison-Andrews,
M. J. Holwill,
R. Fabregas,
F. Guinea,
A. K. Geim,
K. S. Novoselov,
N. R. Walet,
L. Fumagalli

Affiliations

C. R. Woods: Department of Physics & Astronomy, University of Manchester
P. Ares: Department of Physics & Astronomy, University of Manchester
H. Nevison-Andrews: Department of Physics & Astronomy, University of Manchester
M. J. Holwill: Department of Physics & Astronomy, University of Manchester
R. Fabregas: Department of Physics & Astronomy, University of Manchester
F. Guinea: Imdea Nanociencia, Faraday 9
A. K. Geim: Department of Physics & Astronomy, University of Manchester
K. S. Novoselov: Department of Physics & Astronomy, University of Manchester
N. R. Walet: Department of Physics & Astronomy, University of Manchester
L. Fumagalli: Department of Physics & Astronomy, University of Manchester

DOI: https://doi.org/10.1038/s41467-020-20667-2
Journal volume & issue: Vol. 12, no. 1
pp. 1 – 7

Abstract

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Here, moiré superlattices generated by twisted insulating crystals of hexagonal boron nitride are shown to have a ferroelectric-like character, attributed to strain-induced polarized dipoles formed by pairs of interfacial boron and nitrogen atoms that create bilayer-thick ferroelectric domains.

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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