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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/43619
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dc.creatorThiago de Lourenço e Vasconcelospt_BR
dc.creatorBráulio Soares Archanjopt_BR
dc.creatorCassiano Rabelo e Silvapt_BR
dc.creatorCarlos Alberto Achetept_BR
dc.creatorAdo Jorio de Vasconcelospt_BR
dc.creatorLuiz Gustavo de Oliveira Lopes Cançadopt_BR
dc.creatorBruno Santos de Oliveirapt_BR
dc.creatorRogério Valaskipt_BR
dc.creatorRafael Cavalcante Cordeiropt_BR
dc.creatorHelton Gonçalves de Medeirospt_BR
dc.creatorAroldo Ribeiro Lopes Netopt_BR
dc.creatorPeter Erciuspt_BR
dc.date.accessioned2022-07-26T13:01:54Z-
dc.date.available2022-07-26T13:01:54Z-
dc.date.issued2018-
dc.citation.volume6pt_BR
dc.citation.issue20pt_BR
dc.citation.spage1pt_BR
dc.citation.epage6pt_BR
dc.identifier.doihttps://doi.org/10.1002/adom.201800528pt_BR
dc.identifier.issn2195-1071pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/43619-
dc.description.resumoSqueezing optical fields into nanometer scale is the key step to perform spatially resolved near-field optics. In scattering-type near-field optical microscopy, this task is accomplished by nanoantennas that convert propagating radiation to local near-fields and vice versa. The usual nanoantenna is composed by an elongated metal structure whose longitudinal dimension is scaled to support dipole modes of localized surface plasmon resonances. However, monopole modes can also be explored if the elongated metal nanoparticle is electrically grounded on a flat metallic plateau that acts like a mirror providing the monopole's image that closes the dipole system. Here, a method for batch production of monopole nanoantennas for scattering-type near-field scanning optical microscopy is presented. The nanoantennas are composed of a micropyramidal body with a nanopyramidal end whose lateral dimension can be scaled to fine-tune localized surface plasmon resonance modes. The monopole character of the nanoantennas is revealed by electron energy loss spectroscopy, and their efficiency and reproducibility are tested in tip-enhanced Raman spectroscopy experiments performed on single-layer graphene and single-walled carbon nanotubes.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.description.sponsorshipFAPERJ - Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiropt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentICX - DEPARTAMENTO DE FÍSICApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofAdvanced Optical Materialspt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectTERSpt_BR
dc.subjectNanoantennapt_BR
dc.subject.otherPlasmonspt_BR
dc.subject.otherMicroscopia óticapt_BR
dc.subject.otherEspectroscopia de Ramanpt_BR
dc.titlePlasmon-tunable tip pyramids: monopole nanoantennas for near-field scanning optical microscopypt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://onlinelibrary.wiley.com/doi/full/10.1002/adom.201800528pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-0195-444Xpt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-8145-7712pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-0488-2242pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-4510-2698pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-5978-2735pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0003-0816-0888pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-0214-867Xpt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-6762-9976pt_BR
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