Microscopic engine powered by critical demixing

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buir.contributor.authorCallegari, Agnese
buir.contributor.authorBiancofiore, Luca
dc.citation.epage068004-5en_US
dc.citation.issueNumber6en_US
dc.citation.spage068004-1en_US
dc.citation.volumeNumber120en_US
dc.contributor.authorSchmidt, F.en_US
dc.contributor.authorMagazzù, A.en_US
dc.contributor.authorCallegari, Agneseen_US
dc.contributor.authorBiancofiore, Lucaen_US
dc.contributor.authorCichos, F.en_US
dc.contributor.authorVolpe, G.en_US
dc.date.accessioned2019-02-21T16:04:02Z
dc.date.available2019-02-21T16:04:02Z
dc.date.issued2018en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.departmentDepartment of Mechanical Engineeringen_US
dc.departmentDepartment of Physicsen_US
dc.description.abstractWe 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.
dc.identifier.doi10.1103/PhysRevLett.120.068004
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/11693/50155
dc.language.isoEnglish
dc.publisherAmerican Physical Society
dc.relation.isversionofhttps://doi.org/10.1103/PhysRevLett.120.068004
dc.source.titlePhysical Review Lettersen_US
dc.titleMicroscopic engine powered by critical demixingen_US
dc.typeArticleen_US

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