Structure and Transport Anomalies in Soft Colloids | Zendy

Samanvaya Srivastava | Zendy; Lynden A. Archer | Zendy; Suresh Narayanan | Zendy

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Structure and Transport Anomalies in Soft Colloids

Author(s) -

Samanvaya Srivastava,

Lynden A. Archer,

Suresh Narayanan

Publication year - 2013

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.110.148302

Subject(s) - particle (ecology) , molecular dynamics , chemical physics , cascade , soft matter , scattering , materials science , nanoparticle , volume fraction , colloid , condensed matter physics , physics , statistical physics , mechanics , nanotechnology , optics , geology , chemistry , composite material , oceanography , chromatography , quantum mechanics

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

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