Fabrication of carbon nanotube nanogap electrodes by helium ion sputtering for molecular contacts
Carbon nanotube nanogaps have been used to contact individual organic molecules. However, the reliable fabrication of a truly nanometer-sized gap remains a challenge. We use helium ion beam lithography to sputter nanogaps of only (2.8 ± 0.6) nm size into single metallic carbon nanotubes embedded in...
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| Veröffentlicht in: | Applied physics letters 2014-03, Vol.104 (10), p.103102 |
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| container_title | Applied physics letters |
| container_volume | 104 |
| creator | Thiele, Cornelius Vieker, Henning Beyer, André Flavel, Benjamin S. Hennrich, Frank Muñoz Torres, David Eaton, Thomas R. Mayor, Marcel Kappes, Manfred M. Gölzhäuser, Armin Löhneysen, Hilbert v. Krupke, Ralph |
| description | Carbon nanotube nanogaps have been used to contact individual organic molecules. However, the reliable fabrication of a truly nanometer-sized gap remains a challenge. We use helium ion beam lithography to sputter nanogaps of only (2.8 ± 0.6) nm size into single metallic carbon nanotubes embedded in a device geometry. The high reproducibility of the gap size formation provides a reliable nanogap electrode testbed for contacting small organic molecules. To demonstrate the functionality of these nanogap electrodes, we integrate oligo(phenylene ethynylene) molecular rods, and measure resistance before and after gap formation and with and without contacted molecules. |
| doi_str_mv | 10.1063/1.4868097 |
| format | Article |
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However, the reliable fabrication of a truly nanometer-sized gap remains a challenge. We use helium ion beam lithography to sputter nanogaps of only (2.8 ± 0.6) nm size into single metallic carbon nanotubes embedded in a device geometry. The high reproducibility of the gap size formation provides a reliable nanogap electrode testbed for contacting small organic molecules. 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To demonstrate the functionality of these nanogap electrodes, we integrate oligo(phenylene ethynylene) molecular rods, and measure resistance before and after gap formation and with and without contacted molecules.</description><subject>Applied physics</subject><subject>Carbon</subject><subject>CARBON NANOTUBES</subject><subject>ELECTRODES</subject><subject>HELIUM IONS</subject><subject>MATERIALS SCIENCE</subject><subject>NANOSCIENCE AND NANOTECHNOLOGY</subject><subject>Organic chemistry</subject><subject>Reproducibility</subject><subject>SPUTTERING</subject><issn>0003-6951</issn><issn>1077-3118</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNpNkLFOwzAQhi0EEqUw8AaWmBgCPjuxnRFVFJAqscBsOc65TZXGxXaGvj0p7cB0_0nfnT79hNwDewImxTM8lVpqVqsLMgOmVCEA9CWZMcZEIesKrslNSttprbgQM2KXtomds7kLAw2eOhubKQ12CHls8C-s7Z5ijy7H0GKizYFusO_GHT3epP2YM8ZuWFMfIt2FCRx7G6kLQ7Yup1ty5W2f8O485-R7-fq1eC9Wn28fi5dV4YSWuVAMS6a1aDRYVaHjjgO0vGqlqrmXFaBktWCN5dI6jxXzyEvVgiuRC-VBzMnD6W9IuTPJdRndZpIYJnHDOa8UU_-ofQw_I6ZstmGMwyRmOHAltahVPVGPJ8rFkFJEb_ax29l4MMDMsWcD5tyz-AV1V282</recordid><startdate>20140310</startdate><enddate>20140310</enddate><creator>Thiele, Cornelius</creator><creator>Vieker, Henning</creator><creator>Beyer, André</creator><creator>Flavel, Benjamin S.</creator><creator>Hennrich, Frank</creator><creator>Muñoz Torres, David</creator><creator>Eaton, Thomas R.</creator><creator>Mayor, Marcel</creator><creator>Kappes, Manfred M.</creator><creator>Gölzhäuser, Armin</creator><creator>Löhneysen, Hilbert v.</creator><creator>Krupke, Ralph</creator><general>American Institute of Physics</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20140310</creationdate><title>Fabrication of carbon nanotube nanogap electrodes by helium ion sputtering for molecular contacts</title><author>Thiele, Cornelius ; Vieker, Henning ; Beyer, André ; Flavel, Benjamin S. ; Hennrich, Frank ; Muñoz Torres, David ; Eaton, Thomas R. ; Mayor, Marcel ; Kappes, Manfred M. ; Gölzhäuser, Armin ; Löhneysen, Hilbert v. ; Krupke, Ralph</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-70e40883b81a75ec2c211d25d6792f651e60930ba26acfe50fe247d1c4e237f13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied physics</topic><topic>Carbon</topic><topic>CARBON NANOTUBES</topic><topic>ELECTRODES</topic><topic>HELIUM IONS</topic><topic>MATERIALS SCIENCE</topic><topic>NANOSCIENCE AND NANOTECHNOLOGY</topic><topic>Organic chemistry</topic><topic>Reproducibility</topic><topic>SPUTTERING</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Thiele, Cornelius</creatorcontrib><creatorcontrib>Vieker, Henning</creatorcontrib><creatorcontrib>Beyer, André</creatorcontrib><creatorcontrib>Flavel, Benjamin S.</creatorcontrib><creatorcontrib>Hennrich, Frank</creatorcontrib><creatorcontrib>Muñoz Torres, David</creatorcontrib><creatorcontrib>Eaton, Thomas R.</creatorcontrib><creatorcontrib>Mayor, Marcel</creatorcontrib><creatorcontrib>Kappes, Manfred M.</creatorcontrib><creatorcontrib>Gölzhäuser, Armin</creatorcontrib><creatorcontrib>Löhneysen, Hilbert v.</creatorcontrib><creatorcontrib>Krupke, Ralph</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Thiele, Cornelius</au><au>Vieker, Henning</au><au>Beyer, André</au><au>Flavel, Benjamin S.</au><au>Hennrich, Frank</au><au>Muñoz Torres, David</au><au>Eaton, Thomas R.</au><au>Mayor, Marcel</au><au>Kappes, Manfred M.</au><au>Gölzhäuser, Armin</au><au>Löhneysen, Hilbert v.</au><au>Krupke, Ralph</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fabrication of carbon nanotube nanogap electrodes by helium ion sputtering for molecular contacts</atitle><jtitle>Applied physics letters</jtitle><date>2014-03-10</date><risdate>2014</risdate><volume>104</volume><issue>10</issue><spage>103102</spage><pages>103102-</pages><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>Carbon nanotube nanogaps have been used to contact individual organic molecules. 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| ispartof | Applied physics letters, 2014-03, Vol.104 (10), p.103102 |
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| language | eng |
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| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Applied physics Carbon CARBON NANOTUBES ELECTRODES HELIUM IONS MATERIALS SCIENCE NANOSCIENCE AND NANOTECHNOLOGY Organic chemistry Reproducibility SPUTTERING |
| title | Fabrication of carbon nanotube nanogap electrodes by helium ion sputtering for molecular contacts |
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