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Electron emission in the near-field of surface plasmons
Plasmon-enhanced photoelectron emission in the near-field region of gold nanostructures is reported. We show that, depending on the photon energy of the excitation light, the emission from the near-field region can be markedly stronger than from the plasmonic gold itself. Photoemission micrographs a...
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| Published in: | Surface science 2013-01, Vol.607, p.148-152 |
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| Main Authors: | , , |
| Format: | Article |
| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c429t-685711c7baef8dcfd619df0d2d0489d57afc63d01bd679ec1c4899fb1dfe31373 |
| container_end_page | 152 |
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| container_start_page | 148 |
| container_title | Surface science |
| container_volume | 607 |
| creator | Word, Robert C. Fitzgerald, J.P.S. Könenkamp, R. |
| description | Plasmon-enhanced photoelectron emission in the near-field region of gold nanostructures is reported. We show that, depending on the photon energy of the excitation light, the emission from the near-field region can be markedly stronger than from the plasmonic gold itself. Photoemission micrographs also indicate that the spatial confinement of the near-field emission is stronger than in the gold and that the near-field emission exhibits a strong sensitivity on the linear and circular polarization state of the excitation light. The results are explained in terms of work-function differences between the near-field region and the plasmonic material and an interaction between propagating and localized surface plasmon modes. We suggest that the circular polarization sensitivity of the near-field surface plasmon modes may open the way to generate spin-polarized electrons in a plasmon-induced photoemission process.
Electron emission from localized surface plasmon hot spots in the near-field of fractal gold nano-structures. [Display omitted]
► Electron emission from plasmonic fractal gold films and their vicinity. ► Plasmonic near-field electron emission ► Circular polarization sensitivity ► Circular polarization effects |
| doi_str_mv | 10.1016/j.susc.2012.08.026 |
| format | article |
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Electron emission from localized surface plasmon hot spots in the near-field of fractal gold nano-structures. [Display omitted]
► Electron emission from plasmonic fractal gold films and their vicinity. ► Plasmonic near-field electron emission ► Circular polarization sensitivity ► Circular polarization effects</description><identifier>ISSN: 0039-6028</identifier><identifier>EISSN: 1879-2758</identifier><identifier>DOI: 10.1016/j.susc.2012.08.026</identifier><identifier>CODEN: SUSCAS</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Circular polarization ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Emission ; Exact sciences and technology ; Excitation ; Gold ; Nanostructure ; Near-field emission ; Photoemission ; Photoemission microscopy ; Physics ; Plasmonics ; Plasmons ; Polarization effects ; Surface plasmon polariton</subject><ispartof>Surface science, 2013-01, Vol.607, p.148-152</ispartof><rights>2012 Elsevier B.V.</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c429t-685711c7baef8dcfd619df0d2d0489d57afc63d01bd679ec1c4899fb1dfe31373</citedby><cites>FETCH-LOGICAL-c429t-685711c7baef8dcfd619df0d2d0489d57afc63d01bd679ec1c4899fb1dfe31373</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,783,787,4033,27937,27938,27939</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26576262$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Word, Robert C.</creatorcontrib><creatorcontrib>Fitzgerald, J.P.S.</creatorcontrib><creatorcontrib>Könenkamp, R.</creatorcontrib><title>Electron emission in the near-field of surface plasmons</title><title>Surface science</title><description>Plasmon-enhanced photoelectron emission in the near-field region of gold nanostructures is reported. We show that, depending on the photon energy of the excitation light, the emission from the near-field region can be markedly stronger than from the plasmonic gold itself. Photoemission micrographs also indicate that the spatial confinement of the near-field emission is stronger than in the gold and that the near-field emission exhibits a strong sensitivity on the linear and circular polarization state of the excitation light. The results are explained in terms of work-function differences between the near-field region and the plasmonic material and an interaction between propagating and localized surface plasmon modes. We suggest that the circular polarization sensitivity of the near-field surface plasmon modes may open the way to generate spin-polarized electrons in a plasmon-induced photoemission process.
Electron emission from localized surface plasmon hot spots in the near-field of fractal gold nano-structures. [Display omitted]
► Electron emission from plasmonic fractal gold films and their vicinity. ► Plasmonic near-field electron emission ► Circular polarization sensitivity ► Circular polarization effects</description><subject>Circular polarization</subject><subject>Condensed matter: electronic structure, electrical, magnetic, and optical properties</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Emission</subject><subject>Exact sciences and technology</subject><subject>Excitation</subject><subject>Gold</subject><subject>Nanostructure</subject><subject>Near-field emission</subject><subject>Photoemission</subject><subject>Photoemission microscopy</subject><subject>Physics</subject><subject>Plasmonics</subject><subject>Plasmons</subject><subject>Polarization effects</subject><subject>Surface plasmon polariton</subject><issn>0039-6028</issn><issn>1879-2758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNp9kE1LAzEQhoMoWKt_wNNeBC-7JtndfIAXKa0KBS96DmkywZTtbs3sCv57U1o8OpcZhnfemXkIuWW0YpSJh22FE7qKU8YrqirKxRmZMSV1yWWrzsmM0lqXgnJ1Sa4QtzRHo9sZkcsO3JiGvoBdRIy5iH0xfkLRg01liND5YggFTilYB8W-s7gberwmF8F2CDenPCcfq-X74qVcvz2_Lp7WpWu4HkuhWsmYkxsLQXkXvGDaB-q5p43SvpU2OFF7yjZeSA2OudzWYcN8gJrVsp6T-6PvPg1fE-Bo8pkOus72MExomJCsFnlJk6X8KHVpQEwQzD7FnU0_hlFzoGS25kDJHCgZqkymlIfuTv4Wne1Csr2L-DfJs7Xggmfd41EH-dnvCMmgi9A78DFlgMYP8b81v1EQfY8</recordid><startdate>201301</startdate><enddate>201301</enddate><creator>Word, Robert C.</creator><creator>Fitzgerald, J.P.S.</creator><creator>Könenkamp, R.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>201301</creationdate><title>Electron emission in the near-field of surface plasmons</title><author>Word, Robert C. ; Fitzgerald, J.P.S. ; Könenkamp, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c429t-685711c7baef8dcfd619df0d2d0489d57afc63d01bd679ec1c4899fb1dfe31373</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Circular polarization</topic><topic>Condensed matter: electronic structure, electrical, magnetic, and optical properties</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Emission</topic><topic>Exact sciences and technology</topic><topic>Excitation</topic><topic>Gold</topic><topic>Nanostructure</topic><topic>Near-field emission</topic><topic>Photoemission</topic><topic>Photoemission microscopy</topic><topic>Physics</topic><topic>Plasmonics</topic><topic>Plasmons</topic><topic>Polarization effects</topic><topic>Surface plasmon polariton</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Word, Robert C.</creatorcontrib><creatorcontrib>Fitzgerald, J.P.S.</creatorcontrib><creatorcontrib>Könenkamp, R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Word, Robert C.</au><au>Fitzgerald, J.P.S.</au><au>Könenkamp, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electron emission in the near-field of surface plasmons</atitle><jtitle>Surface science</jtitle><date>2013-01</date><risdate>2013</risdate><volume>607</volume><spage>148</spage><epage>152</epage><pages>148-152</pages><issn>0039-6028</issn><eissn>1879-2758</eissn><coden>SUSCAS</coden><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>Plasmon-enhanced photoelectron emission in the near-field region of gold nanostructures is reported. We show that, depending on the photon energy of the excitation light, the emission from the near-field region can be markedly stronger than from the plasmonic gold itself. Photoemission micrographs also indicate that the spatial confinement of the near-field emission is stronger than in the gold and that the near-field emission exhibits a strong sensitivity on the linear and circular polarization state of the excitation light. The results are explained in terms of work-function differences between the near-field region and the plasmonic material and an interaction between propagating and localized surface plasmon modes. We suggest that the circular polarization sensitivity of the near-field surface plasmon modes may open the way to generate spin-polarized electrons in a plasmon-induced photoemission process.
Electron emission from localized surface plasmon hot spots in the near-field of fractal gold nano-structures. [Display omitted]
► Electron emission from plasmonic fractal gold films and their vicinity. ► Plasmonic near-field electron emission ► Circular polarization sensitivity ► Circular polarization effects</abstract><cop>Kidlington</cop><pub>Elsevier B.V</pub><doi>10.1016/j.susc.2012.08.026</doi><tpages>5</tpages></addata></record> |
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| ispartof | Surface science, 2013-01, Vol.607, p.148-152 |
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| language | eng |
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| subjects | Circular polarization Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Emission Exact sciences and technology Excitation Gold Nanostructure Near-field emission Photoemission Photoemission microscopy Physics Plasmonics Plasmons Polarization effects Surface plasmon polariton |
| title | Electron emission in the near-field of surface plasmons |
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