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    Structure and Transport Anomalies in Soft Colloids

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    Type
    Article
    Authors
    Srivastava, Samanvaya
    Archer, Lynden A. cc
    Narayanan, Suresh
    KAUST Grant Number
    KUS-C1018-02
    Date
    2013-04-03
    Permanent link to this record
    http://hdl.handle.net/10754/599764
    
    Metadata
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    Abstract
    Anomalous trends in nanoparticle correlation and motion are reported in soft nanoparticle suspensions using static and dynamic x-ray scattering measurements. Contrary to normal expectations, we find that particle-particle correlations decrease and particle dynamics become faster as volume fraction rises above a critical particle loading associated with overlap. Our observations bear many similarities to the cascade of structural and transport anomalies reported for complex, network forming molecular fluids such as water, and are argued to share similar physical origins. © 2013 American Physical Society.
    Citation
    Srivastava S, Archer LA, Narayanan S (2013) Structure and Transport Anomalies in Soft Colloids. Physical Review Letters 110. Available: http://dx.doi.org/10.1103/PhysRevLett.110.148302.
    Sponsors
    This work was supported by the National Science Foundation, Award No. DMR-1006323 and by Award No. KUS-C1018-02, made by King Abdullah University of Science and Technology (KAUST). Use of the Advanced Photon Source, operated by Argonne National Laboratory, was supported by the U.S. DOE under Contract No. DE-AC02-06CH11357. We acknowledge Professor A. D. Stroock for helpful discussions.
    Publisher
    American Physical Society (APS)
    Journal
    Physical Review Letters
    DOI
    10.1103/PhysRevLett.110.148302
    PubMed ID
    25167044
    ae974a485f413a2113503eed53cd6c53
    10.1103/PhysRevLett.110.148302
    Scopus Count
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