Thickness dependence of second-harmonic generation in thin films fabricated from ionically self-assembled monolayers

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dc.contributorVirginia Techen
dc.contributor.authorHeflin, James R.en
dc.contributor.authorFigura, C.en
dc.contributor.authorMarciu, D.en
dc.contributor.authorLiu, Y.en
dc.contributor.authorClaus, Richard O.en
dc.contributor.departmentElectrical and Computer Engineeringen
dc.contributor.departmentPhysicsen
dc.date.accessed2014-03-27en
dc.date.accessioned2014-04-16T14:16:49Zen
dc.date.available2014-04-16T14:16:49Zen
dc.date.issued1999-01-01en
dc.description.abstractAn ionically self-assembled monolayer (ISAM) technique for thin-film deposition has been employed to fabricate materials possessing the noncentrosymmetry that is requisite for a second-order, chi((2)), nonlinear optical response. As a result of the ionic attraction between successive layers, the ISAM chi((2)) films self-assemble into a noncentrosymmetric structure that has exhibited no measurable decay of chi((2)) at room temperature over a period of more than one year. The second-harmonic intensity of the films exhibits the expected quadratic dependence on film thickness up to at least 100 bilayers, corresponding to a film thickness of 120 nm. The polarization dependence of the second-harmonic generation yields a value of 35 degrees for the average tilt angle of the nonlinear optical chromophores away from the surface normal. (C) 1999 American Institute of Physics; [S0003-6951(99)02904-6].en
dc.description.sponsorshipArmy Research Office DAAG55-97-1-0101en
dc.description.sponsorshipAir Force Office of Scientific Research F49620-97-C-0047en
dc.description.sponsorshipCottrell Scholars Award of Research Corporationen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationHeflin, JR; Figura, C; Marciu, D; et al., "Thickness dependence of second-harmonic generation in thin films fabricated from ionically self-assembled monolayers," Appl. Phys. Lett. 74, 495 (1999); http://dx.doi.org/10.1063/1.123166en
dc.identifier.doihttps://doi.org/10.1063/1.123166en
dc.identifier.issn0003-6951en
dc.identifier.urihttp://hdl.handle.net/10919/47420en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/apl/74/4/10.1063/1.123166en
dc.language.isoenen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectUltrathin multilayer filmsen
dc.subjectCationic bipolar amphiphilesen
dc.subject2nd-harmonic generationen
dc.subjectGenerationen
dc.subjectCharged surfacesen
dc.subjectConsecutive adsorptionen
dc.subjectBuildupen
dc.subjectPolyelectrolytesen
dc.subjectVinyleneen
dc.subjectLayeren
dc.titleThickness dependence of second-harmonic generation in thin films fabricated from ionically self-assembled monolayersen
dc.title.serialApplied Physics Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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