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Published on: August 23, 2024
Communication: Unusual dynamics of hybrid nanoparticles and their binary mixtures
S Srivastava1, Sivasurender Chandran, A K Kandar
1Department of Physics, Indian Institute of Science, Bangalore 560 012, India.
Abstract:
We present the results on the evolution of microscopic dynamics of hybrid nanoparticles and their binary mixtures as a function of temperature and wave vector. We find unexpectedly a nonmonotonic dependence of the structural relaxation time of the nanoparticles as a function of the morphology. In binary mixtures of two of the largest nanoparticles studied, we observe re-entrant vitrification as a function of the volume fraction of the smaller nanoparticle, which is unusual for such high diameter ratio. Possible explanation for the observed behavior is provided.
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