Coulomb blockade in field electron emission from carbon nanotubes
We report the observation of Coulomb blockade in electron field emission (FE) from single-wall carbon nanotubes (SWCNTs), which is manifested as pronounced steps in the FE current–voltage curves and oscillatory variations in the energy distribution of emitted electrons. The appearance of the Coulomb...
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| Veröffentlicht in: | Applied physics letters 2021-02, Vol.118 (5) |
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| creator | Kleshch, Victor I. Porshyn, Vitali Serbun, Pavel Orekhov, Anton S. Ismagilov, Rinat R. Malykhin, Sergey A. Eremina, Valentina A. Obraztsov, Petr A. Obraztsova, Elena D. Lützenkirchen-Hecht, Dirk |
| description | We report the observation of Coulomb blockade in electron field emission (FE) from single-wall carbon nanotubes (SWCNTs), which is manifested as pronounced steps in the FE current–voltage curves and oscillatory variations in the energy distribution of emitted electrons. The appearance of the Coulomb blockade is explained by the formation of nanoscale protrusions at the apexes of SWCNTs due to the electric field-assisted surface diffusion of adsorbates and carbon adatoms. The proposed adsorbate-assisted FE mechanism is substantially different from the well-known resonant tunneling associated with discrete electronic states of adsorbed atoms. The simulations based on the Coulomb blockade theory are in excellent agreement with the experimental results. The SWCNT field emitters controlled by the Coulomb blockade effect are expected to be used to develop on-demand coherent single-electron sources for advanced vacuum nanoelectronic devices. |
| doi_str_mv | 10.1063/5.0039961 |
| format | Article |
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The appearance of the Coulomb blockade is explained by the formation of nanoscale protrusions at the apexes of SWCNTs due to the electric field-assisted surface diffusion of adsorbates and carbon adatoms. The proposed adsorbate-assisted FE mechanism is substantially different from the well-known resonant tunneling associated with discrete electronic states of adsorbed atoms. The simulations based on the Coulomb blockade theory are in excellent agreement with the experimental results. The SWCNT field emitters controlled by the Coulomb blockade effect are expected to be used to develop on-demand coherent single-electron sources for advanced vacuum nanoelectronic devices.</description><identifier>ISSN: 0003-6951</identifier><identifier>EISSN: 1077-3118</identifier><identifier>DOI: 10.1063/5.0039961</identifier><identifier>CODEN: APPLAB</identifier><language>eng</language><publisher>Melville: American Institute of Physics</publisher><subject>Adatoms ; Adsorbates ; Applied physics ; Carbon ; Electric fields ; Electron emission ; Electron sources ; Electron states ; Emitters (electron) ; Energy distribution ; Field emission ; Nanoelectronics ; Nanotechnology devices ; Resonant tunneling ; Single electrons ; Single wall carbon nanotubes ; Surface diffusion</subject><ispartof>Applied physics letters, 2021-02, Vol.118 (5)</ispartof><rights>Author(s)</rights><rights>2021 Author(s). 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The appearance of the Coulomb blockade is explained by the formation of nanoscale protrusions at the apexes of SWCNTs due to the electric field-assisted surface diffusion of adsorbates and carbon adatoms. The proposed adsorbate-assisted FE mechanism is substantially different from the well-known resonant tunneling associated with discrete electronic states of adsorbed atoms. The simulations based on the Coulomb blockade theory are in excellent agreement with the experimental results. 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Porshyn, Vitali ; Serbun, Pavel ; Orekhov, Anton S. ; Ismagilov, Rinat R. ; Malykhin, Sergey A. ; Eremina, Valentina A. ; Obraztsov, Petr A. ; Obraztsova, Elena D. ; Lützenkirchen-Hecht, Dirk</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c327t-e65ee70a8b2883d1afc72810b754fc089a64d5f722bda414aad55dd10cc2513a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Adatoms</topic><topic>Adsorbates</topic><topic>Applied physics</topic><topic>Carbon</topic><topic>Electric fields</topic><topic>Electron emission</topic><topic>Electron sources</topic><topic>Electron states</topic><topic>Emitters (electron)</topic><topic>Energy distribution</topic><topic>Field emission</topic><topic>Nanoelectronics</topic><topic>Nanotechnology devices</topic><topic>Resonant tunneling</topic><topic>Single electrons</topic><topic>Single wall carbon nanotubes</topic><topic>Surface diffusion</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kleshch, Victor I.</creatorcontrib><creatorcontrib>Porshyn, Vitali</creatorcontrib><creatorcontrib>Serbun, Pavel</creatorcontrib><creatorcontrib>Orekhov, Anton S.</creatorcontrib><creatorcontrib>Ismagilov, Rinat R.</creatorcontrib><creatorcontrib>Malykhin, Sergey A.</creatorcontrib><creatorcontrib>Eremina, Valentina A.</creatorcontrib><creatorcontrib>Obraztsov, Petr A.</creatorcontrib><creatorcontrib>Obraztsova, Elena D.</creatorcontrib><creatorcontrib>Lützenkirchen-Hecht, Dirk</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Applied physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kleshch, Victor I.</au><au>Porshyn, Vitali</au><au>Serbun, Pavel</au><au>Orekhov, Anton S.</au><au>Ismagilov, Rinat R.</au><au>Malykhin, Sergey A.</au><au>Eremina, Valentina A.</au><au>Obraztsov, Petr A.</au><au>Obraztsova, Elena D.</au><au>Lützenkirchen-Hecht, Dirk</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coulomb blockade in field electron emission from carbon nanotubes</atitle><jtitle>Applied physics letters</jtitle><date>2021-02-01</date><risdate>2021</risdate><volume>118</volume><issue>5</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><coden>APPLAB</coden><abstract>We report the observation of Coulomb blockade in electron field emission (FE) from single-wall carbon nanotubes (SWCNTs), which is manifested as pronounced steps in the FE current–voltage curves and oscillatory variations in the energy distribution of emitted electrons. The appearance of the Coulomb blockade is explained by the formation of nanoscale protrusions at the apexes of SWCNTs due to the electric field-assisted surface diffusion of adsorbates and carbon adatoms. The proposed adsorbate-assisted FE mechanism is substantially different from the well-known resonant tunneling associated with discrete electronic states of adsorbed atoms. The simulations based on the Coulomb blockade theory are in excellent agreement with the experimental results. 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| subjects | Adatoms Adsorbates Applied physics Carbon Electric fields Electron emission Electron sources Electron states Emitters (electron) Energy distribution Field emission Nanoelectronics Nanotechnology devices Resonant tunneling Single electrons Single wall carbon nanotubes Surface diffusion |
| title | Coulomb blockade in field electron emission from carbon nanotubes |
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