Relating activation of shear transformation zones to β relaxations in metallic glasses

H. B. Yu, W. H. Wang, H. Y. Bai, Y. Wu, M. W. Chen

    Research output: Contribution to journalArticlepeer-review

    222 Citations (Scopus)

    Abstract

    The mechanisms of plastic deformation of glassy solids and structural origin of β relaxation are two fundamental issues. We provide compelling experimental evidence that the activation of shear transformation zones (STZs) and β relaxations in metallic glasses are directly related, and the activation energy of the β relaxation and the potential-energy barriers of STZs are nearly equivalent. Our results suggest an intrinsic correlation among potential STZs, β relaxation, and the inhomogeneous atomic structure of metallic glasses, which has implications for understanding the deformation mechanism and structural origin of β relaxation in glasses.

    Original languageEnglish
    Article number220201
    JournalPhysical Review B - Condensed Matter and Materials Physics
    Volume81
    Issue number22
    DOIs
    Publication statusPublished - 2010 Jun 7

    ASJC Scopus subject areas

    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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