Inelastic Electron Tunneling in 2H−TaxNb1−xSe2 Evidenced by Scanning Tunneling Spectroscopy
We report a detailed study of tunneling spectra measured on 2H−TaxNb1−xSe2(x = 0∼0.1) single crystals using a low-temperature scanning tunneling microscope. The prominent gaplike feature, which has not been understood for a long time, was found to be accompanied by some "in-gap" fine struc...
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| Veröffentlicht in: | Physical review letters 2020-03, Vol.124 (10), p.1 |
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| creator | Hou, Xing-Yuan Zhang, Fan Tu, Xin-Hai Gu, Ya-Dong Zhang, Meng-Di Gong, Jing Tu, Yu-Bing Wang, Bao-Tian Lv, Wen-Gang Weng, Hong-Ming Ren, Zhi-An Chen, Gen-Fu Zhu, Xiang-De Hao, Ning Shan, Lei |
| description | We report a detailed study of tunneling spectra measured on 2H−TaxNb1−xSe2(x = 0∼0.1) single crystals using a low-temperature scanning tunneling microscope. The prominent gaplike feature, which has not been understood for a long time, was found to be accompanied by some "in-gap" fine structures. By investigating the second-derivative spectra and their temperature and magnetic field dependencies, we were able to prove that inelastic electron tunneling is the origin of these features and obtain the Eliashberg function of 2H−TaxNb1−xSe2 at an atomic scale, providing a potential way to study the local Eliashberg function and the phonon spectra of the related transition-metal dichalcogenides. |
| doi_str_mv | 10.1103/PhysRevLett.124.106403 |
| format | Article |
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The prominent gaplike feature, which has not been understood for a long time, was found to be accompanied by some "in-gap" fine structures. By investigating the second-derivative spectra and their temperature and magnetic field dependencies, we were able to prove that inelastic electron tunneling is the origin of these features and obtain the Eliashberg function of 2H−TaxNb1−xSe2 at an atomic scale, providing a potential way to study the local Eliashberg function and the phonon spectra of the related transition-metal dichalcogenides.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.124.106403</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Electron tunneling ; Low temperature ; Single crystals ; Spectra ; Spectrum analysis ; Transition metal compounds</subject><ispartof>Physical review letters, 2020-03, Vol.124 (10), p.1</ispartof><rights>Copyright American Physical Society Mar 13, 2020</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Hou, Xing-Yuan</creatorcontrib><creatorcontrib>Zhang, Fan</creatorcontrib><creatorcontrib>Tu, Xin-Hai</creatorcontrib><creatorcontrib>Gu, Ya-Dong</creatorcontrib><creatorcontrib>Zhang, Meng-Di</creatorcontrib><creatorcontrib>Gong, Jing</creatorcontrib><creatorcontrib>Tu, Yu-Bing</creatorcontrib><creatorcontrib>Wang, Bao-Tian</creatorcontrib><creatorcontrib>Lv, Wen-Gang</creatorcontrib><creatorcontrib>Weng, Hong-Ming</creatorcontrib><creatorcontrib>Ren, Zhi-An</creatorcontrib><creatorcontrib>Chen, Gen-Fu</creatorcontrib><creatorcontrib>Zhu, Xiang-De</creatorcontrib><creatorcontrib>Hao, Ning</creatorcontrib><creatorcontrib>Shan, Lei</creatorcontrib><title>Inelastic Electron Tunneling in 2H−TaxNb1−xSe2 Evidenced by Scanning Tunneling Spectroscopy</title><title>Physical review letters</title><description>We report a detailed study of tunneling spectra measured on 2H−TaxNb1−xSe2(x = 0∼0.1) single crystals using a low-temperature scanning tunneling microscope. The prominent gaplike feature, which has not been understood for a long time, was found to be accompanied by some "in-gap" fine structures. By investigating the second-derivative spectra and their temperature and magnetic field dependencies, we were able to prove that inelastic electron tunneling is the origin of these features and obtain the Eliashberg function of 2H−TaxNb1−xSe2 at an atomic scale, providing a potential way to study the local Eliashberg function and the phonon spectra of the related transition-metal dichalcogenides.</description><subject>Electron tunneling</subject><subject>Low temperature</subject><subject>Single crystals</subject><subject>Spectra</subject><subject>Spectrum analysis</subject><subject>Transition metal compounds</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNpFT8tKw0AUHUTBWv0FGXCdeO_M5DFLKdUWgoqN6zIzudGUMomdtLR_4NpP9EuMD3B1Dofz4DB2iRAjgrx-fD2EJ9oV1PcxChUjpArkERshZDrKENUxGwFIjDRAdsrOQlgBAIo0H7Hl3NPahL5xfLom129az8utH8TGv_DGczH7fP8ozf7e4kD2CxJ8umsq8o4qbg984Yz3397_1KL7KQqu7Q7n7KQ260AXfzhmz7fTcjKLioe7-eSmiDpE2UeZJU0opQabZg6VqVGAlZQarLQ01mQpJSpPclnlidM6AZVXWlthqU7J1XLMrn57u037tqXQL1ftduOHyaWQWmklhvPyCwHuW2A</recordid><startdate>20200313</startdate><enddate>20200313</enddate><creator>Hou, Xing-Yuan</creator><creator>Zhang, Fan</creator><creator>Tu, Xin-Hai</creator><creator>Gu, Ya-Dong</creator><creator>Zhang, Meng-Di</creator><creator>Gong, Jing</creator><creator>Tu, Yu-Bing</creator><creator>Wang, Bao-Tian</creator><creator>Lv, Wen-Gang</creator><creator>Weng, Hong-Ming</creator><creator>Ren, Zhi-An</creator><creator>Chen, Gen-Fu</creator><creator>Zhu, Xiang-De</creator><creator>Hao, Ning</creator><creator>Shan, Lei</creator><general>American Physical Society</general><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>20200313</creationdate><title>Inelastic Electron Tunneling in 2H−TaxNb1−xSe2 Evidenced by Scanning Tunneling Spectroscopy</title><author>Hou, Xing-Yuan ; Zhang, Fan ; Tu, Xin-Hai ; Gu, Ya-Dong ; Zhang, Meng-Di ; Gong, Jing ; Tu, Yu-Bing ; Wang, Bao-Tian ; Lv, Wen-Gang ; Weng, Hong-Ming ; Ren, Zhi-An ; Chen, Gen-Fu ; Zhu, Xiang-De ; Hao, Ning ; Shan, Lei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p113t-7be9e13390b67c14af120b3e6a1d93aba76e548583d85c995048d99b2bef6ecf3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Electron tunneling</topic><topic>Low temperature</topic><topic>Single crystals</topic><topic>Spectra</topic><topic>Spectrum analysis</topic><topic>Transition metal compounds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hou, Xing-Yuan</creatorcontrib><creatorcontrib>Zhang, Fan</creatorcontrib><creatorcontrib>Tu, Xin-Hai</creatorcontrib><creatorcontrib>Gu, Ya-Dong</creatorcontrib><creatorcontrib>Zhang, Meng-Di</creatorcontrib><creatorcontrib>Gong, Jing</creatorcontrib><creatorcontrib>Tu, Yu-Bing</creatorcontrib><creatorcontrib>Wang, Bao-Tian</creatorcontrib><creatorcontrib>Lv, Wen-Gang</creatorcontrib><creatorcontrib>Weng, Hong-Ming</creatorcontrib><creatorcontrib>Ren, Zhi-An</creatorcontrib><creatorcontrib>Chen, Gen-Fu</creatorcontrib><creatorcontrib>Zhu, Xiang-De</creatorcontrib><creatorcontrib>Hao, Ning</creatorcontrib><creatorcontrib>Shan, Lei</creatorcontrib><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hou, Xing-Yuan</au><au>Zhang, Fan</au><au>Tu, Xin-Hai</au><au>Gu, Ya-Dong</au><au>Zhang, Meng-Di</au><au>Gong, Jing</au><au>Tu, Yu-Bing</au><au>Wang, Bao-Tian</au><au>Lv, Wen-Gang</au><au>Weng, Hong-Ming</au><au>Ren, Zhi-An</au><au>Chen, Gen-Fu</au><au>Zhu, Xiang-De</au><au>Hao, Ning</au><au>Shan, Lei</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Inelastic Electron Tunneling in 2H−TaxNb1−xSe2 Evidenced by Scanning Tunneling Spectroscopy</atitle><jtitle>Physical review letters</jtitle><date>2020-03-13</date><risdate>2020</risdate><volume>124</volume><issue>10</issue><spage>1</spage><pages>1-</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><abstract>We report a detailed study of tunneling spectra measured on 2H−TaxNb1−xSe2(x = 0∼0.1) single crystals using a low-temperature scanning tunneling microscope. The prominent gaplike feature, which has not been understood for a long time, was found to be accompanied by some "in-gap" fine structures. By investigating the second-derivative spectra and their temperature and magnetic field dependencies, we were able to prove that inelastic electron tunneling is the origin of these features and obtain the Eliashberg function of 2H−TaxNb1−xSe2 at an atomic scale, providing a potential way to study the local Eliashberg function and the phonon spectra of the related transition-metal dichalcogenides.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevLett.124.106403</doi></addata></record> |
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| subjects | Electron tunneling Low temperature Single crystals Spectra Spectrum analysis Transition metal compounds |
| title | Inelastic Electron Tunneling in 2H−TaxNb1−xSe2 Evidenced by Scanning Tunneling Spectroscopy |
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