Journal article
Falko Schmidt, Alessandro Magazzù, Agnese Callegari, Luca Biancofiore, Frank Cichos, Giovanni Volpe
Physical Review Letters, vol. 120(6), 2018 Jan 9
Physical Review Letters, vol. 120(6), 2018 Jan 9
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Schmidt, F., Magazzù, A., Callegari, A., Biancofiore, L., Cichos, F., & Volpe, G. (2018). Microscopic Engine Powered by Critical Demixing. Physical Review Letters, 120(6).
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Schmidt, Falko, Alessandro Magazzù, Agnese Callegari, Luca Biancofiore, Frank Cichos, and Giovanni Volpe. “Microscopic Engine Powered by Critical Demixing.” Physical Review Letters 120, no. 6 (January 9, 2018).
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Schmidt, Falko, et al. “Microscopic Engine Powered by Critical Demixing.” Physical Review Letters, vol. 120, no. 6, Jan. 2018.
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@article{falko2018a,
title = {Microscopic Engine Powered by Critical Demixing.},
year = {2018},
month = jan,
day = {9},
issue = {6},
journal = {Physical Review Letters},
volume = {120},
author = {Schmidt, Falko and Magazzù, Alessandro and Callegari, Agnese and Biancofiore, Luca and Cichos, Frank and Volpe, Giovanni},
month_numeric = {1}
}
Abstract:
We experimentally demonstrate a microscopic engine powered by the local reversible demixing of a critical mixture. We show that, when an absorbing microsphere is optically trapped by a focused laser beam in a subcritical mixture, it is set into rotation around the optical axis of the beam because of the emergence of diffusiophoretic propulsion. This behavior can be controlled by adjusting the optical power, the temperature, and the criticality of the mixture.
We experimentally demonstrate a microscopic engine powered by the local reversible demixing of a critical mixture. We show that, when an absorbing microsphere is optically trapped by a focused laser beam in a subcritical mixture, it is set into rotation around the optical axis of the beam because of the emergence of diffusiophoretic propulsion. This behavior can be controlled by adjusting the optical power, the temperature, and the criticality of the mixture.
