Brownian Motion of Graphene (Articolo in rivista)

Type
Label
  • Brownian Motion of Graphene (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Marago' O. M.; Bonaccorso F.; Saija R.; Privitera G.; Gucciardi P. G.; Iatì M. A.; Calogero G.; Jones P. H.; Borghese F.; Denti P.; Nicolosi V.; Ferrari A. C. (2010)
    Brownian Motion of Graphene
    in ACS nano
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Marago' O. M.; Bonaccorso F.; Saija R.; Privitera G.; Gucciardi P. G.; Iatì M. A.; Calogero G.; Jones P. H.; Borghese F.; Denti P.; Nicolosi V.; Ferrari A. C. (literal)
Pagina inizio
  • 7515 (literal)
Pagina fine
  • 7523 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 4 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 12 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-Istituto per i Processi Chimico-Fisici, I-98158 Messina, Italy, Department of Engineering, University of Cambridge, Cambridge CB3 0FA, United Kingdom Dipartimento di Fisica della Materia e Ingegneria Elettronica, Universita´ di Messina, Messina, Italy Department of Physics and Astronomy, University College London, WC1E 6BT London, United Kingdom, Department of Materials, University of Oxford, Oxford OX1 3PH, United Kingdom (literal)
Titolo
  • Brownian Motion of Graphene (literal)
Abstract
  • Brownian motion is a manifestation of the fluctuation-dissipation theorem of statistical mechanics. It regulates systems in physics, biology, chemistry, and finance. We use graphene as prototype material to unravel the consequences of the fluctuation-dissipation theorem in two dimensions, by studying the Brownian motion of optically trapped graphene flakes. These orient orthogonal to the light polarization, due to the optical constants anisotropy. We explain the flake dynamics in the optical trap and measure force and torque constants from the correlation functions of the tracking signals, as well as comparing experiments with a full electromagnetic theory of optical trapping. The understanding of optical trapping of two-dimensional nanostructures gained through our Brownian motion analysis paves the way to light-controlled manipulation and all-optical sorting of biological membranes and anisotropic macromolecules. (literal)
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