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Elastic properties of boron carbide films via surface acoustic waves measured by Brillouin light scattering

Authors

  • E. Salas,

    1. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Cantoblanco, 28049 Madrid, Spain
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  • F. Jiménez-Villacorta,

    1. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Cantoblanco, 28049 Madrid, Spain
    2. Present address: Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA.
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  • J. Sánchez-Marcos,

    1. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Cantoblanco, 28049 Madrid, Spain
    2. Departamento de Química-Física Aplicada, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
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  • R. J. Jiménez Riobóo,

    1. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Cantoblanco, 28049 Madrid, Spain
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  • A. Muñoz-Martín,

    1. Centro de Microanálisis de Materiales, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
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  • J. E. Prieto,

    1. Centro de Microanálisis de Materiales, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
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  • V. Joco,

    1. Centro de Microanálisis de Materiales, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
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  • C. Prieto

    Corresponding author
    1. Instituto de Ciencia de Materiales de Madrid, Consejo Superior de Investigaciones Científicas, Cantoblanco, 28049 Madrid, Spain
    • Phone: +34 913 349 017, Fax: +34 913 720 623
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Abstract

Surface acoustic wave (SAW) velocity has been determined by high resolution Brillouin light scattering to study the mechano-elastic properties of boron carbide films prepared by radio frequency (RF) sputtering. The comparison of experimentally observed elastic behaviour with simulations made by considering film composition obtained from elastic recoil detection analysis-time of flight (ERDA-ToF) spectroscopy allows establishing that elastic properties are determined by that of crystalline boron carbide with a lessening of the SAW velocity values due to surface oxidation.

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