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Microscopic Engine ...
Microscopic Engine Powered by Critical Demixing
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- Schmidt, Falko, 1992 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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- Magazzu, Alessandro (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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Callegari, A. (author)
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Biancofiore, L. (author)
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Cichos, F. (author)
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- Volpe, Giovanni, 1979 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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(creator_code:org_t)
- 2018
- 2018
- English.
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In: Physical Review Letters. - 0031-9007. ; 120:6
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Abstract
Subject headings
Close
- 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.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- particles
- transitions
- Physics
Publication and Content Type
- ref (subject category)
- art (subject category)
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