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Size-dependent vitrification in metallic glasses

Author

Listed:
  • Valerio Lisio

    (Donostia International Physics Center)

  • Isabella Gallino

    (Saarland University, Chair of Metallic Materials)

  • Sascha Sebastian Riegler

    (Saarland University, Chair of Metallic Materials)

  • Maximilian Frey

    (Saarland University, Chair of Metallic Materials)

  • Nico Neuber

    (Saarland University, Chair of Metallic Materials)

  • Golden Kumar

    (Department of Mechanical Engineering, University of Texas at Dallas)

  • Jan Schroers

    (Yale University, Mechanical Engineering and Materials Science)

  • Ralf Busch

    (Saarland University, Chair of Metallic Materials)

  • Daniele Cangialosi

    (Donostia International Physics Center
    Centro de Física de Materiales (CSIC–UPV/EHU))

Abstract

Reducing the sample size can profoundly impact properties of bulk metallic glasses. Here, we systematically reduce the length scale of Au and Pt-based metallic glasses and study their vitrification behavior and atomic mobility. For this purpose, we exploit fast scanning calorimetry (FSC) allowing to study glassy dynamics in an exceptionally wide range of cooling rates and frequencies. We show that the main α relaxation process remains size independent and bulk-like. In contrast, we observe pronounced size dependent vitrification kinetics in micrometer-sized glasses, which is more evident for the smallest samples and at low cooling rates, resulting in more than 40 K decrease in fictive temperature, Tf, with respect to the bulk. We discuss the deep implications on how this outcome can be used to convey glasses to low energy states.

Suggested Citation

  • Valerio Lisio & Isabella Gallino & Sascha Sebastian Riegler & Maximilian Frey & Nico Neuber & Golden Kumar & Jan Schroers & Ralf Busch & Daniele Cangialosi, 2023. "Size-dependent vitrification in metallic glasses," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-40417-4
    DOI: 10.1038/s41467-023-40417-4
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    References listed on IDEAS

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    1. Jing Zhao & Sindee L. Simon & Gregory B. McKenna, 2013. "Using 20-million-year-old amber to test the super-Arrhenius behaviour of glass-forming systems," Nature Communications, Nature, vol. 4(1), pages 1-6, June.
    2. F. Caporaletti & S. Capaccioli & S. Valenti & M. Mikolasek & A. I. Chumakov & G. Monaco, 2021. "Experimental evidence of mosaic structure in strongly supercooled molecular liquids," Nature Communications, Nature, vol. 12(1), pages 1-7, December.
    3. Xin Cao & Huijun Zhang & Yilong Han, 2017. "Release of free-volume bubbles by cooperative-rearrangement regions during the deposition growth of a colloidal glass," Nature Communications, Nature, vol. 8(1), pages 1-7, December.
    4. Pei Zhang & Jason J. Maldonis & Ze Liu & Jan Schroers & Paul M. Voyles, 2018. "Spatially heterogeneous dynamics in a metallic glass forming liquid imaged by electron correlation microscopy," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    5. Jittisa Ketkaew & Wen Chen & Hui Wang & Amit Datye & Meng Fan & Gabriela Pereira & Udo D. Schwarz & Ze Liu & Rui Yamada & Wojciech Dmowski & Mark D. Shattuck & Corey S. O’Hern & Takeshi Egami & Eran B, 2018. "Mechanical glass transition revealed by the fracture toughness of metallic glasses," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
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