Drag on particles in a nematic suspension by a moving nematic-isotropic interface
J. L. West, A. Glushchenko, G. Liao, Y. Reznikov, D. Andrienko, M. P., Allen
TL;DR
This paper demonstrates how a moving nematic-isotropic interface exerts drag on colloidal particles, leading to periodic structures, and explains the force balance responsible for this phenomenon.
Contribution
It provides the first experimental demonstration of particle drag by a moving nematic-isotropic interface and offers a force balance explanation for observed structures.
Findings
Particles experience drag when a nematic-isotropic interface moves.
Periodic strip-like structures are formed due to particle-interface interactions.
Force balance analysis explains the formation of these structures.
Abstract
We report the first clear demonstration of drag on colloidal particles by a moving nematic-isotropic interface. The balance of forces explains our observation of periodic, strip-like structures that are produced by the movement of these particles.
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