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Rotational diffusion in two-dimensional colloidal glasses

Grant number: 19/00290-5
Support Opportunities:Regular Research Grants
Duration: June 01, 2019 - May 31, 2021
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Physical-Chemistry
Convênio/Acordo: Emory University
Mobility Program: SPRINT - Projetos de pesquisa - Mobilidade
Principal Investigator:René Alfonso Nome Silva
Grantee:René Alfonso Nome Silva
Principal researcher abroad: Eric R Weeks
Institution abroad: Emory University, United States
Host Institution: Instituto de Química (IQ). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil
Associated research grant:16/23430-9 - Exploring stochastic dynamics of nanomaterials, AP.R

Abstract

This proposal aims to improve our understanding of rotational diffusion in colloidal glasses. Specifically, first we plan to develop simple strategies for the synthesis of colloidal clusters and other non-spherical colloidal particles. Subsequently, we plan to perform fundamental investigations of rotational diffusion in colloidal glasses by optical microscopy and simulations. These investigations include the characterization of rotational and translational diffusion decoupling, and how tracer motion relates to background particle motions. In particular, we plan to obtain proof of principle data related to tracer shape/size, obtain proof of principle data on correlations between tracers, and determine feasibility of making a glass of pure clusters. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
OLIVEIRA, GUILHERME H.; NOME, RENE A.. Integrating ultrafast and stochastic dynamics studies of Brownian motion in molecular systems and colloidal particles. CURRENT OPINION IN COLLOID & INTERFACE SCIENCE, v. 44, p. 208-219, . (19/00290-5, 17/11986-5, 16/23430-9)
NOME, RENE A.; COSSIO, PILAR. Editorial: Integrating Timescales From Molecules Up. RONTIERS IN CHEMISTR, v. 9, p. 2-pg., . (19/00290-5, 17/11986-5, 19/23307-0, 16/23430-9, 19/27471-0)

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