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Elastic Properties of Freely Suspended MoS2 Nanosheets

Authors

  • Andres Castellanos-Gomez,

    Corresponding author
    1. Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands
    2. Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain
    • Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft, The Netherlands
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  • Menno Poot,

    1. Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain
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  • Gary A. Steele,

    1. Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain
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  • Herre S. J. van der Zant,

    1. Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain
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  • Nicolás Agraït,

    1. Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain
    2. Instituto Madrileño de Estudios Avanzados, en Nanociencia IMDEA-Nanociencia, E-28049 Madrid, Spain
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  • Gabino Rubio-Bollinger

    Corresponding author
    1. Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain
    • Departamento de Física de la Materia Condensada, Universidad Autónoma de Madrid, Campus de Cantoblanco. E-28049 Madrid, Spain.
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Abstract

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The elastic deformation of few layers (5 to 25) of thick, freely suspended MoS2 nanosheets by means of a nanoscopic version of a bending test experiment, carried out with the tip of an atomic force microscope is reported. Young's modulus of these nanosheets is extremely high (E = 0.33 TPa), comparable to that of graphene oxide, and the deformations are reversible up to tens of nanometers.

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