Quantifying the local mechanical properties of twisted double bilayer graphene

Author:

Canetta Alessandra1ORCID,Gonzalez-Munoz Sergio2ORCID,Nguyen Viet-Hung1ORCID,Agarwal Khushboo2,de Crombrugghe de Picquendaele Pauline1,Hong Yuanzhuo3ORCID,Mohapatra Sambit3,Watanabe Kenji4ORCID,Taniguchi Takashi5,Nysten Bernard1ORCID,Hackens Benoît1,Ribeiro-Palau Rebeca3ORCID,Charlier Jean-Christophe1ORCID,Kolosov Oleg Victor2ORCID,Spièce Jean1ORCID,Gehring Pascal1ORCID

Affiliation:

1. Institute of Condensed Matter and Nanosciences, Université catholique de Louvain (UCLouvain), 1348 Louvain-la-Neuve, Belgium

2. Physics Department, Lancaster University, Lancaster, UK

3. Université Paris-Saclay, CNRS, Centre de Nanosciences et de Nanotechnologies (C2N), 91120 Palaiseau, France

4. Research Center for Functional Materials, National Institute for Materials Science, Namiki 305-0044, Japan

5. International Center for Materials Nanoarchitectonics, National Institute for Materials Science, Namiki 305-0044, Japan

Abstract

Twisting two graphene double bilayers creates soft boundaries between different stacking domains. Comparted to the natural stacking order, the measured Young's modulus gets reduced by as much as 18%.

Funder

European Commission

Engineering and Physical Sciences Research Council

Fonds De La Recherche Scientifique - FNRS

Fonds Wetenschappelijk Onderzoek

Japan Society for the Promotion of Science

Fédération Wallonie-Bruxelles

Graphene Flagship

Publisher

Royal Society of Chemistry (RSC)

Subject

General Materials Science

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