Dynamical characterization of vibrating AFM cantilevers forced by photothermal excitation (Articolo in rivista)

Type
Label
  • Dynamical characterization of vibrating AFM cantilevers forced by photothermal excitation (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1103/PhysRevB.81.054302 (literal)
Alternative label
  • Valerio Pini; Bruno Tiribilli; Cecilia Maria Cristina Gambi; Massimo Vassalli (2010)
    Dynamical characterization of vibrating AFM cantilevers forced by photothermal excitation
    in Physical review. B, Condensed matter and materials physics (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Valerio Pini; Bruno Tiribilli; Cecilia Maria Cristina Gambi; Massimo Vassalli (literal)
Pagina inizio
  • 054302-1 (literal)
Pagina fine
  • 054302-5 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 81 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#note
  • Selected for on-line publication in Virtual Journal of Nanoscale Science & Technology, 21 (2010). American Physical Society. (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 5 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • BioNanoMechanics Laboratory, National Center for Microelectronics, IMM-CNM (CSIC), Calle Isaac Newton 8 (PTM), Tres Cantos, E-28760 Madrid, Spain Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, Via Madonna del Piano 10, Sesto Fiorentino, I-50019 Firenze, Italy Centro Interdipartimentale per lo Studio delle Dinamiche Complesse, Via Sansone 1, Sesto Fiorentino, I-50019 Firenze, Italy Dipartimento di Fisica, Università degli Studi di Firenze, Via G. Sansone 1, Sesto Fiorentino, I-50019 Firenze, Italy Istituto di Biofisica, Consiglio Nazionale delle Ricerche, Via De Marini 6, Genova I-16149, Italy (literal)
Titolo
  • Dynamical characterization of vibrating AFM cantilevers forced by photothermal excitation (literal)
Abstract
  • The detailed characterization of the dynamical behavior of an oscillating cantilever is a crucial task in many applications of scanning probe microscopy, force spectroscopy, and cantilever based biosensors. In the present work we considered a direct and localized excitation of the cantilever obtained using the photothermal effect induced by a modulated laser beam that allows us to completely separate the dynamics of the system from spurious effects. We developed a theoretical model able to describe the experimental results with high accuracy; in particular, a good agreement is achieved, both for amplitude and phase, in the presence of resonances and antiresonances, depending on the different location of the excitation beam. (literal)
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