Royal Society of Chemistry, Soft Matter, 12(15), p. 2591-2604, 2019
DOI: 10.1039/c8sm02574f
Full text: Unavailable
We show experimentally and theoretically that the Lehmann effect recently observed by Yoshioka and Araoka (Nat. Commun., 2018,9, 432) in emulsified cholesteric liquid crystal droplets under temperature gradients is due to Marangoni flows rather than to the thermomechanical or chemomechanical couplings often invoked to explain the phenomenon.