Anisotropic dynamics of the tenuous gel in a liquid crystal-nanoparticle composite

D.D. Zand, van 't, Y. Chushkin, L. Belkoura, C.V. Lobo, R. Strey, K. Lyakhova, P.S. Clegg

Research output: Contribution to journalArticleAcademicpeer-review

9 Citations (Scopus)

Abstract

We present a study of the structure and local dynamics of dispersed silica nanoparticles in the liquid crystal 4'-pentyl-4-biphenylcarbonitrile (5CB). Electron microscopy and X-ray scattering data demonstrate that the nanoparticles form agglomerates with a fractal structure. Investigation of the local dynamics of the particle agglomerates using X-ray photon correlation spectroscopy reveals pronounced anisotropy in the relaxation rate and aging behaviour. We suggest that the unusual relaxation behaviour is a consequence of the anisotropy of the host solvent
Original languageEnglish
Pages (from-to)4062-4066
Number of pages5
JournalSoft Matter
Volume8
Issue number15
DOIs
Publication statusPublished - 2012

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