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Colloquium Series: Jérémie Palacci (University of California, San Diego)
February 4, 2019 @ 4:00 pm - 5:30 pm
Join us for another event in the 2018-2019 Colloquium Series as APS welcomes Jérémie Palacci, Ph.D. to present on his recent research. Dr. Palacci is currently an Assistant Professor of Physics at the University of California, San Diego.
Carving non-equilibrium pathways to control self-assembly
Abstract: Active particles are microscopic particles, which can inject energy locally and made available by recent progress in colloidal science. They are ideal “pump-probes” to explore the emergent properties in non-equilibrium soft systems and control the behavior of soft matter and self-assembly at the microscale. In this talk, I will demonstrate how we can use dissipative building blocks to control self-assembly and show the robust formation of dynamical superstructures using active particles that consume fuel to carve non-equilibrium pathways. Using tailored particles, we will build self-spinning microgears and demonstrate that non-equilibrium phenomena can be harnessed to shape interactions and form hierarchical structures . Next, I will show how we can active particles added to a material to regulates its activity internally and boost the annealing of a colloidal monolayer . It opens a broad range of novel opportunities to thermal treatments, where the properties of matter are not controlled macroscopically but microscopically and in real time by active dopants. Aubret et al, Nature Physics, 2018
 Ramananarivo et al, submitted