Plasmon resonances and tunneling in sub-nanometric systems

In this thesis we have theoretically studied the optical response of several canonical Systems with narrow gaps: nanoparticle pairs (dimers), and core-shell systems (known in literature as nanomatryoshkas), in the subnanometric regime (systems below 10 nm). As a first approach, we have used classica...

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Autores:
Zapata Herrera, Mario
Tipo de recurso:
Doctoral thesis
Fecha de publicación:
2016
Institución:
Universidad de los Andes
Repositorio:
Séneca: repositorio Uniandes
Idioma:
eng
OAI Identifier:
oai:repositorio.uniandes.edu.co:1992/7676
Acceso en línea:
http://hdl.handle.net/1992/7676
Palabra clave:
Plasmones (Física) - Investigaciones
Nanoestructuras - Investigaciones
Ecuaciones de Maxwell - Investigaciones
Física
Rights
openAccess
License
http://creativecommons.org/licenses/by-nc-sa/4.0/
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spelling Al consultar y hacer uso de este recurso, está aceptando las condiciones de uso establecidas por los autores.http://creativecommons.org/licenses/by-nc-sa/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Camacho Beltrán, Angela Stella76e29fe9-a698-46fd-9def-648b39848c04600Reyes Coronado, Alejandro2868f2cd-a245-4e6e-8eb9-c1fc4f7066d8500Patiño Zapata, Edgar Javiervirtual::9344-1Zapata Herrera, Mariob907baae-a33b-469a-8ba5-8fdaafd64b125002018-09-27T16:35:57Z2018-09-27T16:35:57Z2016http://hdl.handle.net/1992/767610.57784/1992/7676u722117.pdfinstname:Universidad de los Andesreponame:Repositorio Institucional Sénecarepourl:https://repositorio.uniandes.edu.co/In this thesis we have theoretically studied the optical response of several canonical Systems with narrow gaps: nanoparticle pairs (dimers), and core-shell systems (known in literature as nanomatryoshkas), in the subnanometric regime (systems below 10 nm). As a first approach, we have used classical electromagnetics treatment allowing a link with previous studies and characterisation of the plasmonic modes and near and far fields. We have explored the physics of the plasmon coupling and near field enhancements in plasmonic cavities upon reduction of the gap size, where classical theory predicts extremely strong effects because of the attractive Coulomb interaction between plasmon induced charges across the junction. For the vanishing width of the junction this interaction diverges leading to the discontinuities in classical theory. This is precisely the regime where quantum effects like tunneling are of paramount importance as they neutralise the screening charges and allow continuous transition from the capacitive to inductive coupling at zero gap size (continuos metal in the junction)Doctor en Ciencias - FísicaDoctorado153 hojasapplication/pdfengUniandesDoctorado en Ciencias - FísicaFacultad de CienciasDepartamento de Físicainstname:Universidad de los Andesreponame:Repositorio Institucional SénecaPlasmon resonances and tunneling in sub-nanometric systemsTrabajo de grado - Doctoradoinfo:eu-repo/semantics/doctoralThesishttp://purl.org/coar/resource_type/c_db06http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/TDPlasmones (Física) - InvestigacionesNanoestructuras - InvestigacionesEcuaciones de Maxwell - InvestigacionesFísicaPublicationhttps://scholar.google.es/citations?user=bx4dJNgAAAAJvirtual::9344-1https://scienti.minciencias.gov.co/cvlac/visualizador/generarCurriculoCv.do?cod_rh=0001092782virtual::9344-1f817a1fd-0070-4f75-a317-2a4d7085c6efvirtual::9344-1f817a1fd-0070-4f75-a317-2a4d7085c6efvirtual::9344-1THUMBNAILu722117.pdf.jpgu722117.pdf.jpgIM Thumbnailimage/jpeg21661https://repositorio.uniandes.edu.co/bitstreams/034cfe3e-b010-42f5-8f04-cd69bf7740b1/download792ec36ae8c79d9c66f85b1697f2a316MD55TEXTu722117.pdf.txtu722117.pdf.txtExtracted texttext/plain304626https://repositorio.uniandes.edu.co/bitstreams/a9d89993-bbad-46f1-9fac-1bd1b0d949da/downloade2ea7ae3e4259e6f6703e45d9fd0ac05MD54ORIGINALu722117.pdfapplication/pdf8309115https://repositorio.uniandes.edu.co/bitstreams/3788a406-ce81-42ce-b9f5-32451b39480c/download6583b8531f1aed1c8ed87016870d39cbMD511992/7676oai:repositorio.uniandes.edu.co:1992/76762024-08-26 15:23:55.03http://creativecommons.org/licenses/by-nc-sa/4.0/open.accesshttps://repositorio.uniandes.edu.coRepositorio institucional Sénecaadminrepositorio@uniandes.edu.co
dc.title.es_CO.fl_str_mv Plasmon resonances and tunneling in sub-nanometric systems
title Plasmon resonances and tunneling in sub-nanometric systems
spellingShingle Plasmon resonances and tunneling in sub-nanometric systems
Plasmones (Física) - Investigaciones
Nanoestructuras - Investigaciones
Ecuaciones de Maxwell - Investigaciones
Física
title_short Plasmon resonances and tunneling in sub-nanometric systems
title_full Plasmon resonances and tunneling in sub-nanometric systems
title_fullStr Plasmon resonances and tunneling in sub-nanometric systems
title_full_unstemmed Plasmon resonances and tunneling in sub-nanometric systems
title_sort Plasmon resonances and tunneling in sub-nanometric systems
dc.creator.fl_str_mv Zapata Herrera, Mario
dc.contributor.advisor.none.fl_str_mv Camacho Beltrán, Angela Stella
Reyes Coronado, Alejandro
Patiño Zapata, Edgar Javier
dc.contributor.author.none.fl_str_mv Zapata Herrera, Mario
dc.subject.keyword.es_CO.fl_str_mv Plasmones (Física) - Investigaciones
Nanoestructuras - Investigaciones
Ecuaciones de Maxwell - Investigaciones
topic Plasmones (Física) - Investigaciones
Nanoestructuras - Investigaciones
Ecuaciones de Maxwell - Investigaciones
Física
dc.subject.themes.none.fl_str_mv Física
description In this thesis we have theoretically studied the optical response of several canonical Systems with narrow gaps: nanoparticle pairs (dimers), and core-shell systems (known in literature as nanomatryoshkas), in the subnanometric regime (systems below 10 nm). As a first approach, we have used classical electromagnetics treatment allowing a link with previous studies and characterisation of the plasmonic modes and near and far fields. We have explored the physics of the plasmon coupling and near field enhancements in plasmonic cavities upon reduction of the gap size, where classical theory predicts extremely strong effects because of the attractive Coulomb interaction between plasmon induced charges across the junction. For the vanishing width of the junction this interaction diverges leading to the discontinuities in classical theory. This is precisely the regime where quantum effects like tunneling are of paramount importance as they neutralise the screening charges and allow continuous transition from the capacitive to inductive coupling at zero gap size (continuos metal in the junction)
publishDate 2016
dc.date.issued.none.fl_str_mv 2016
dc.date.accessioned.none.fl_str_mv 2018-09-27T16:35:57Z
dc.date.available.none.fl_str_mv 2018-09-27T16:35:57Z
dc.type.spa.fl_str_mv Trabajo de grado - Doctorado
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dc.identifier.pdf.none.fl_str_mv u722117.pdf
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dc.language.iso.es_CO.fl_str_mv eng
language eng
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dc.format.extent.es_CO.fl_str_mv 153 hojas
dc.format.mimetype.es_CO.fl_str_mv application/pdf
dc.publisher.es_CO.fl_str_mv Uniandes
dc.publisher.program.es_CO.fl_str_mv Doctorado en Ciencias - Física
dc.publisher.faculty.es_CO.fl_str_mv Facultad de Ciencias
dc.publisher.department.es_CO.fl_str_mv Departamento de Física
dc.source.es_CO.fl_str_mv instname:Universidad de los Andes
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