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Phase contrast and operation regimes in multifrequency atomic force microscopy
dc.contributor.author | Santos Hernández, Sergio |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Disseny i Programació de Sistemes Electrònics |
dc.date.accessioned | 2014-06-06T15:03:25Z |
dc.date.available | 2014-06-06T15:03:25Z |
dc.date.created | 2014-04-07 |
dc.date.issued | 2014-04-07 |
dc.identifier.citation | Santos, S. Phase contrast and operation regimes in multifrequency atomic force microscopy. "Applied physics letters", 07 Abril 2014, vol. 104, núm. 14. |
dc.identifier.issn | 0003-6951 |
dc.identifier.uri | http://hdl.handle.net/2117/23181 |
dc.description.abstract | In amplitude modulation atomic force microscopy the attractive and the repulsive force regimes induce phase shifts above and below 90°, respectively. In the more recent multifrequency approach, however, multiple operation regimes have been reported and the theory should be revisited. Here, a theory of phase contrast in multifrequency atomic force microscopy is developed and discussed in terms of energy transfer between modes, energy dissipation and the kinetic energy and energy transfer associated with externally driven harmonics. The single frequency virial that controls the phase shift might undergo transitions in sign while the average force (modal virial) remains positive (negative). © 2014 AIP Publishing LLC. |
dc.language.iso | eng |
dc.subject | Àrees temàtiques de la UPC::Enginyeria electrònica |
dc.subject.lcsh | Atomic force microscopy |
dc.subject.lcsh | Modulation (Electronics) |
dc.subject.other | Soft matter |
dc.subject.other | Mode |
dc.subject.other | Energy |
dc.subject.other | Liquid |
dc.subject.other | AFM |
dc.title | Phase contrast and operation regimes in multifrequency atomic force microscopy |
dc.type | Article |
dc.subject.lemac | Microscòpia de força atòmica |
dc.subject.lemac | Modulació (Electrònica) |
dc.identifier.doi | 10.1063/1.4870998 |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://scitation.aip.org/content/aip/journal/apl/104/14/10.1063/1.4870998 |
dc.rights.access | Open Access |
local.identifier.drac | 14859735 |
dc.description.version | Postprint (published version) |
local.citation.author | Santos, S. |
local.citation.publicationName | Applied physics letters |
local.citation.volume | 104 |
local.citation.number | 14 |
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