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Soft colloids make strong glasses

Author

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  • Johan Mattsson

    (Harvard University, Cambridge, Massachusetts 02138, USA
    Present addresses: Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden (J.M.); TU Eindhoven, Institute for Complex Molecular Systems and Department of Mechanical Engineering, PO Box 513, 5600 MB Eindhoven, The Netherlands (H.M.W.); School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA (A.F.-N.); Institute of Physics, University of Tsukuba, Tsukuba 305-8571, Japan (K.M.).)

  • Hans M. Wyss

    (Harvard University, Cambridge, Massachusetts 02138, USA
    Present addresses: Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden (J.M.); TU Eindhoven, Institute for Complex Molecular Systems and Department of Mechanical Engineering, PO Box 513, 5600 MB Eindhoven, The Netherlands (H.M.W.); School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA (A.F.-N.); Institute of Physics, University of Tsukuba, Tsukuba 305-8571, Japan (K.M.).)

  • Alberto Fernandez-Nieves

    (Harvard University, Cambridge, Massachusetts 02138, USA
    Present addresses: Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden (J.M.); TU Eindhoven, Institute for Complex Molecular Systems and Department of Mechanical Engineering, PO Box 513, 5600 MB Eindhoven, The Netherlands (H.M.W.); School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA (A.F.-N.); Institute of Physics, University of Tsukuba, Tsukuba 305-8571, Japan (K.M.).)

  • Kunimasa Miyazaki

    (Columbia University, New York, New York 10027, USA
    Present addresses: Department of Applied Physics, Chalmers University of Technology, SE-412 96 Göteborg, Sweden (J.M.); TU Eindhoven, Institute for Complex Molecular Systems and Department of Mechanical Engineering, PO Box 513, 5600 MB Eindhoven, The Netherlands (H.M.W.); School of Physics, Georgia Institute of Technology, Atlanta, Georgia 30332, USA (A.F.-N.); Institute of Physics, University of Tsukuba, Tsukuba 305-8571, Japan (K.M.).)

  • Zhibing Hu

    (University of North Texas, Denton, Texas 76203, USA)

  • David R. Reichman

    (Columbia University, New York, New York 10027, USA)

  • David A. Weitz

    (Harvard University, Cambridge, Massachusetts 02138, USA)

Abstract

Glass fragility in colloids Glasses can be classified as either fragile or strong, according to whether they show a marked dependence of their relaxation time with temperature when approaching the glass transition. It has been difficult so far to study this behaviour in molecular liquids and to understand where it stems from. Now Mattsson et al. show that colloids incorporating deformable particles can also exhibit this rich behaviour: previously they had been thought to produce only fragile glasses. The fragility of these colloids is dependent on the elasticity of the particles, with softer particles leading to stronger behaviour. Since colloids are easy to study by imaging and other techniques, this model system could help unravel the origin of fragility in glasses.

Suggested Citation

  • Johan Mattsson & Hans M. Wyss & Alberto Fernandez-Nieves & Kunimasa Miyazaki & Zhibing Hu & David R. Reichman & David A. Weitz, 2009. "Soft colloids make strong glasses," Nature, Nature, vol. 462(7269), pages 83-86, November.
    • Handle: RePEc:nat:nature:v:462:y:2009:i:7269:d:10.1038_nature08457
    DOI: 10.1038/nature08457
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    Cited by:

    1. Levashov, V.A. & Ryltsev, R.E. & Chtchelkatchev, N.M., 2022. "Investigation of the degree of local structural similarity between the parent-liquid and children-crystal states for a model soft matter system," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 585(C).
    2. Ying Shi & Binghui Deng & Ozgur Gulbiten & Mathieu Bauchy & Qi Zhou & Jörg Neuefeind & Stephen R. Elliott & Nicholas J. Smith & Douglas C. Allan, 2023. "Revealing the relationship between liquid fragility and medium-range order in silicate glasses," Nature Communications, Nature, vol. 14(1), pages 1-12, December.

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