Single-Electron Transport in Colloidal Quantum Dots of Narrow-Gap Semiconductors
Single-electron transport in a planar structure of InSb, PbS, and CdSe semiconductor colloidal quantum dots has been studied by scanning tunneling microscopy. Current dips similar to the Coulomb gap have been observed in the I – V characteristics. The qualitative and numerical comparative estimates...
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| Veröffentlicht in: | Technical physics letters 2020-09, Vol.46 (9), p.881-884 |
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| creator | Zhukov, N. D. Gavrikov, M. V. Kryl’skii, D. V. |
| description | Single-electron transport in a planar structure of InSb, PbS, and CdSe semiconductor colloidal quantum dots has been studied by scanning tunneling microscopy. Current dips similar to the Coulomb gap have been observed in the
I
–
V
characteristics. The qualitative and numerical comparative estimates suggest that a structure consisting of a set of quantum dots exhibits single-electron transport and a phenomenon similar to the Coulomb blockade. The white light illumination of the sample during the measurements of the
I
–
V
characteristics breaks the Coulomb blockade and one can expect that a device element based on such a structure will respond to individual photons. In the Coulomb gap region, current oscillations at terahertz frequencies can occur. |
| doi_str_mv | 10.1134/S106378502009014X |
| format | Article |
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I
–
V
characteristics. The qualitative and numerical comparative estimates suggest that a structure consisting of a set of quantum dots exhibits single-electron transport and a phenomenon similar to the Coulomb blockade. The white light illumination of the sample during the measurements of the
I
–
V
characteristics breaks the Coulomb blockade and one can expect that a device element based on such a structure will respond to individual photons. In the Coulomb gap region, current oscillations at terahertz frequencies can occur.</description><identifier>ISSN: 1063-7850</identifier><identifier>EISSN: 1090-6533</identifier><identifier>DOI: 10.1134/S106378502009014X</identifier><language>eng</language><publisher>Moscow: Pleiades Publishing</publisher><subject>Cadmium selenides ; Classical and Continuum Physics ; Electron transport ; Intermetallic compounds ; Physics ; Physics and Astronomy ; Planar structures ; Qualitative analysis ; Quantum dots ; Single electrons ; Terahertz frequencies ; Transport phenomena ; White light</subject><ispartof>Technical physics letters, 2020-09, Vol.46 (9), p.881-884</ispartof><rights>Pleiades Publishing, Ltd. 2020</rights><rights>Pleiades Publishing, Ltd. 2020.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c316t-b96a7f81e01ee65fb037da40ad202ca83ee4ed8f73e1aa50666026e95bdc7e1f3</citedby><cites>FETCH-LOGICAL-c316t-b96a7f81e01ee65fb037da40ad202ca83ee4ed8f73e1aa50666026e95bdc7e1f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1134/S106378502009014X$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1134/S106378502009014X$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Zhukov, N. D.</creatorcontrib><creatorcontrib>Gavrikov, M. V.</creatorcontrib><creatorcontrib>Kryl’skii, D. V.</creatorcontrib><title>Single-Electron Transport in Colloidal Quantum Dots of Narrow-Gap Semiconductors</title><title>Technical physics letters</title><addtitle>Tech. Phys. Lett</addtitle><description>Single-electron transport in a planar structure of InSb, PbS, and CdSe semiconductor colloidal quantum dots has been studied by scanning tunneling microscopy. Current dips similar to the Coulomb gap have been observed in the
I
–
V
characteristics. The qualitative and numerical comparative estimates suggest that a structure consisting of a set of quantum dots exhibits single-electron transport and a phenomenon similar to the Coulomb blockade. The white light illumination of the sample during the measurements of the
I
–
V
characteristics breaks the Coulomb blockade and one can expect that a device element based on such a structure will respond to individual photons. In the Coulomb gap region, current oscillations at terahertz frequencies can occur.</description><subject>Cadmium selenides</subject><subject>Classical and Continuum Physics</subject><subject>Electron transport</subject><subject>Intermetallic compounds</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Planar structures</subject><subject>Qualitative analysis</subject><subject>Quantum dots</subject><subject>Single electrons</subject><subject>Terahertz frequencies</subject><subject>Transport phenomena</subject><subject>White light</subject><issn>1063-7850</issn><issn>1090-6533</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp1kE9Lw0AQxRdRsFY_gLcFz6sz2WSTHKXWKhT_kArewnYzKSnpbtxNEL-9KRU8iKd5ML_3HjzGLhGuEWV8UyAomWYJRAA5YPx-xCY4KqESKY_3Wkmx_5-ysxC2AJBFST5hL0VjNy2JeUum987yldc2dM73vLF85trWNZVu-eugbT_s-J3rA3c1f9Leu0-x0B0vaNcYZ6vB9M6Hc3ZS6zbQxc-dsrf7-Wr2IJbPi8fZ7VIYiaoX61zptM6QAIlUUq9BppWOQVcRREZnkiimKqtTSah1AkopiBTlyboyKWEtp-zqkNt59zFQ6MutG7wdK8soTkAipAgjhQfKeBeCp7rsfLPT_qtEKPfDlX-GGz3RwRNG1m7I_yb_b_oGM1pv9A</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Zhukov, N. D.</creator><creator>Gavrikov, M. V.</creator><creator>Kryl’skii, D. V.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20200901</creationdate><title>Single-Electron Transport in Colloidal Quantum Dots of Narrow-Gap Semiconductors</title><author>Zhukov, N. D. ; Gavrikov, M. V. ; Kryl’skii, D. V.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c316t-b96a7f81e01ee65fb037da40ad202ca83ee4ed8f73e1aa50666026e95bdc7e1f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Cadmium selenides</topic><topic>Classical and Continuum Physics</topic><topic>Electron transport</topic><topic>Intermetallic compounds</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Planar structures</topic><topic>Qualitative analysis</topic><topic>Quantum dots</topic><topic>Single electrons</topic><topic>Terahertz frequencies</topic><topic>Transport phenomena</topic><topic>White light</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhukov, N. D.</creatorcontrib><creatorcontrib>Gavrikov, M. V.</creatorcontrib><creatorcontrib>Kryl’skii, D. V.</creatorcontrib><collection>CrossRef</collection><jtitle>Technical physics letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhukov, N. D.</au><au>Gavrikov, M. V.</au><au>Kryl’skii, D. V.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Single-Electron Transport in Colloidal Quantum Dots of Narrow-Gap Semiconductors</atitle><jtitle>Technical physics letters</jtitle><stitle>Tech. Phys. Lett</stitle><date>2020-09-01</date><risdate>2020</risdate><volume>46</volume><issue>9</issue><spage>881</spage><epage>884</epage><pages>881-884</pages><issn>1063-7850</issn><eissn>1090-6533</eissn><abstract>Single-electron transport in a planar structure of InSb, PbS, and CdSe semiconductor colloidal quantum dots has been studied by scanning tunneling microscopy. Current dips similar to the Coulomb gap have been observed in the
I
–
V
characteristics. The qualitative and numerical comparative estimates suggest that a structure consisting of a set of quantum dots exhibits single-electron transport and a phenomenon similar to the Coulomb blockade. The white light illumination of the sample during the measurements of the
I
–
V
characteristics breaks the Coulomb blockade and one can expect that a device element based on such a structure will respond to individual photons. In the Coulomb gap region, current oscillations at terahertz frequencies can occur.</abstract><cop>Moscow</cop><pub>Pleiades Publishing</pub><doi>10.1134/S106378502009014X</doi><tpages>4</tpages></addata></record> |
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| ispartof | Technical physics letters, 2020-09, Vol.46 (9), p.881-884 |
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| subjects | Cadmium selenides Classical and Continuum Physics Electron transport Intermetallic compounds Physics Physics and Astronomy Planar structures Qualitative analysis Quantum dots Single electrons Terahertz frequencies Transport phenomena White light |
| title | Single-Electron Transport in Colloidal Quantum Dots of Narrow-Gap Semiconductors |
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