Optical properties of plasmon-tunable tip pyramids for Tip-Enhanced Raman Spectroscopy

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dc.creatorHudson Luiz Silva de Miranda
dc.creatorCassiano Rabelo e Silva
dc.creatorThiago de Lourenço e Vasconcelos
dc.creatorLuiz Gustavo de Oliveira Lopes Cançado
dc.creatorAdo Jorio de Vasconcelos
dc.date.accessioned2022-10-24T19:09:06Z
dc.date.accessioned2025-09-09T00:30:03Z
dc.date.available2022-10-24T19:09:06Z
dc.date.issued2020-07-01
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológico
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.identifier.doihttps://doi.org/10.1002/pssr.202000212
dc.identifier.issn18626270
dc.identifier.urihttps://hdl.handle.net/1843/46547
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPhysica Status Solidi - Rapid Research Letters
dc.rightsAcesso Restrito
dc.subjectPropriedades ópticas
dc.subjectPlasmons
dc.subjectEspectroscopia de Raman
dc.subject.otherOptical Properties
dc.subject.otherPlasmons
dc.subject.otherTip-Enhanced Raman Spectroscopy
dc.titleOptical properties of plasmon-tunable tip pyramids for Tip-Enhanced Raman Spectroscopy
dc.typeArtigo de periódico
local.citation.epage4
local.citation.issue9
local.citation.spage1
local.citation.volume14
local.description.resumoFor tip-enhanced Raman spectroscopy (TERS), the recently developed plasmon-tunable tip pyramid, composed of a gold micropyramidal body with a nanopyramid end, makes it possible to obtain spectral enhancements in 2D systems up to two orders of magnitude higher than what is found in the literature. Herein, the optical properties of these tips are explored, including the field-enhancement dependence on nanopyramid edge length (L), its apex diameter (D), tip–sample distance (Z), and the presence of a metallic micropyramid body. The study shown herein rationalizes the optical properties of these tips, important for understanding the related TERS results.
local.identifier.orcidhttps://orcid.org/0000-0002-9946-5224
local.identifier.orcidhttps://orcid.org/0000-0003-0488-2242
local.identifier.orcidhttps://orcid.org/0000-0003-0195-444X
local.identifier.orcidhttps://orcid.org/0000-0003-0816-0888
local.identifier.orcidhttps://orcid.org/0000-0002-5978-2735
local.publisher.countryBrasil
local.publisher.departmentENG - DEPARTAMENTO DE ENGENHARIA ELÉTRICA
local.publisher.departmentICX - DEPARTAMENTO DE FÍSICA
local.publisher.initialsUFMG
local.url.externahttps://onlinelibrary.wiley.com/doi/abs/10.1002/pssr.202000212

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