{"id":{"repo_id":"rice","oai_identifier":"oai:repository.rice.edu:1911/105493"},"canonical_url":"https://search.dev.ndltd.org/etd/rice/oai:repository.rice.edu:1911/105493","repository":{"repo_id":"rice","name":"Rice University","base_url":"https://repository.rice.edu/server/oai/request"},"display":{"title":"Extraordinary light-induced local field, angular momentum and force near metallic nanoparticles","abstract":"The intense local field induced near metallic nanostructures provides strong enhancements for surface enhanced spectroscopies, a major focus of plasmonics research over the past decade. Here we show several different nanoantennas for SEIRA detection, which exhibit an order of magnitude greater SEIRA sensitivity than previous record-setting designs. We also consider that plasmonic nanoparticles can induce remarkably large electromagnetic field gradients near their surfaces, which can excite dipole-forbidden transitions in nearby atoms or molecules and provide unique spectroscopic fingerprinting for chemical and bimolecular sensing. We introduce the concept of the local angular momentum (LAM) vector as a useful figure of merit for the design of nanostructures that provide large field gradients. Finally, we introduce a new technique that can demonstrate the mapping of electromagnetic forces between a nanoscale tip and an optically excited sample consisting of plasmonic nanostructures with an imaging platform based on atomic force microscopy.","abstract_html":"The intense local field induced near metallic nanostructures provides strong enhancements for surface enhanced spectroscopies, a major focus of plasmonics research over the past decade. Here we show several different nanoantennas for SEIRA detection, which exhibit an order of magnitude greater SEIRA sensitivity than previous record-setting designs. We also consider that plasmonic nanoparticles can induce remarkably large electromagnetic field gradients near their surfaces, which can excite dipole-forbidden transitions in nearby atoms or molecules and provide unique spectroscopic fingerprinting for chemical and bimolecular sensing. We introduce the concept of the local angular momentum (LAM) vector as a useful figure of merit for the design of nanostructures that provide large field gradients. Finally, we introduce a new technique that can demonstrate the mapping of electromagnetic forces between a nanoscale tip and an optically excited sample consisting of plasmonic nanostructures with an imaging platform based on atomic force microscopy.","abstract_has_math":false,"creators":["Yang, Xiao"],"institution":"Rice University","degree_name":"Doctor of Philosophy","degree_level":"Doctoral","degree_discipline":"Natural Sciences","degree_department":null,"school":null,"contributors":[],"advisors":["Nordlander, Peter"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-08-10","date_published":"2017-08-10","updated_at":"2026-07-24T04:10:28Z","subjects":["SEIRA","Local Angular Momentum","PiFM"],"languages":["eng"],"rights":["Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder."],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/1911/105493","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Nordlander, Peter"]},{"key":"dc:creator","label":"Author","values":["Yang, Xiao"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-05-16T20:16:47Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2019-05-16T20:16:47Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-08-10"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Natural Sciences"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Doctoral"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Doctor of Philosophy"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Rice University"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["SEIRA","Local Angular Momentum","PiFM"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language.iso","label":"Language (ISO)","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder."]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://hdl.handle.net/1911/105493"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["The intense local field induced near metallic nanostructures provides strong enhancements for surface enhanced spectroscopies, a major focus of plasmonics research over the past decade. Here we show several different nanoantennas for SEIRA detection, which exhibit an order of magnitude greater SEIRA sensitivity than previous record-setting designs. We also consider that plasmonic nanoparticles can induce remarkably large electromagnetic field gradients near their surfaces, which can excite dipole-forbidden transitions in nearby atoms or molecules and provide unique spectroscopic fingerprinting for chemical and bimolecular sensing. We introduce the concept of the local angular momentum (LAM) vector as a useful figure of merit for the design of nanostructures that provide large field gradients. Finally, we introduce a new technique that can demonstrate the mapping of electromagnetic forces between a nanoscale tip and an optically excited sample consisting of plasmonic nanostructures with an imaging platform based on atomic force microscopy."]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Extraordinary light-induced local field, angular momentum and force near metallic nanoparticles"]}]}],"canonical_facts":{"dc:contributor.advisor":["Nordlander, Peter"],"dc:creator":["Yang, Xiao"],"dc:date.accessioned":["2019-05-16T20:16:47Z"],"dc:date.available":["2019-05-16T20:16:47Z"],"dc:date.issued":["2017-08-10"],"dc:description.abstract":["The intense local field induced near metallic nanostructures provides strong enhancements for surface enhanced spectroscopies, a major focus of plasmonics research over the past decade. Here we show several different nanoantennas for SEIRA detection, which exhibit an order of magnitude greater SEIRA sensitivity than previous record-setting designs. We also consider that plasmonic nanoparticles can induce remarkably large electromagnetic field gradients near their surfaces, which can excite dipole-forbidden transitions in nearby atoms or molecules and provide unique spectroscopic fingerprinting for chemical and bimolecular sensing. We introduce the concept of the local angular momentum (LAM) vector as a useful figure of merit for the design of nanostructures that provide large field gradients. Finally, we introduce a new technique that can demonstrate the mapping of electromagnetic forces between a nanoscale tip and an optically excited sample consisting of plasmonic nanostructures with an imaging platform based on atomic force microscopy."],"dc:format.mimetype":["application/pdf"],"dc:identifier.uri":["https://hdl.handle.net/1911/105493"],"dc:language.iso":["eng"],"dc:rights":["Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder."],"dc:subject":["SEIRA","Local Angular Momentum","PiFM"],"dc:title":["Extraordinary light-induced local field, angular momentum and force near metallic nanoparticles"],"dc:type":["Thesis"],"thesis:degree_discipline":["Natural Sciences"],"thesis:degree_level":["Doctoral"],"thesis:degree_name":["Doctor of Philosophy"],"thesis:institution_name":["Rice University"]},"updated_at":"2026-07-24T04:10:28Z"}