Optical and hidden transport properties of BaFe1.91Ni0.09As2 film
Optical spectroscopy was used to study the electrodynamics and hidden transport properties of a BaFe1.91Ni0.09As2 thin superconducting (SC) film. We analyzed the normal state data using a Drude-Lorentz model with two Drude components: one narrow (D1) and another broad one (D2). In the SC state, two...
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| Veröffentlicht in: | Journal of physics. Condensed matter 2021-01, Vol.33 (4) |
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| creator | Aleshchenko, Yu A Muratov, A V Ummarino, G A Richter, S Anna Thomas, A Hühne, R |
| description | Optical spectroscopy was used to study the electrodynamics and hidden transport properties of a BaFe1.91Ni0.09As2 thin superconducting (SC) film. We analyzed the normal state data using a Drude-Lorentz model with two Drude components: one narrow (D1) and another broad one (D2). In the SC state, two gaps with 2 Δ 0 ( 2 ) / k B T c = 1.9 -2.0 and 2 Δ 0 ( 1 ) / k B T c = 4.0 -4.3 are formed from the narrow component D1 while the broad component D2 remains ungapped. The calculated total DC resistivity of the film and the low-temperature scattering rate for the narrow Drude component show a hidden Fermi-liquid behavior. The change of total electron-boson coupling (λ tot) and representative energy (Ω0) in the normal state with respect to the SC state is typical of other iron-based materials as well as high-temperature superconducting (HTSC) cuprates. |
| doi_str_mv | 10.1088/1361-648X/abbc33 |
| format | Article |
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We analyzed the normal state data using a Drude-Lorentz model with two Drude components: one narrow (D1) and another broad one (D2). In the SC state, two gaps with 2 Δ 0 ( 2 ) / k B T c = 1.9 -2.0 and 2 Δ 0 ( 1 ) / k B T c = 4.0 -4.3 are formed from the narrow component D1 while the broad component D2 remains ungapped. The calculated total DC resistivity of the film and the low-temperature scattering rate for the narrow Drude component show a hidden Fermi-liquid behavior. 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Condensed matter</title><addtitle>JPhysCM</addtitle><addtitle>J. Phys.: Condens. Matter</addtitle><description>Optical spectroscopy was used to study the electrodynamics and hidden transport properties of a BaFe1.91Ni0.09As2 thin superconducting (SC) film. We analyzed the normal state data using a Drude-Lorentz model with two Drude components: one narrow (D1) and another broad one (D2). In the SC state, two gaps with 2 Δ 0 ( 2 ) / k B T c = 1.9 -2.0 and 2 Δ 0 ( 1 ) / k B T c = 4.0 -4.3 are formed from the narrow component D1 while the broad component D2 remains ungapped. The calculated total DC resistivity of the film and the low-temperature scattering rate for the narrow Drude component show a hidden Fermi-liquid behavior. The change of total electron-boson coupling (λ tot) and representative energy (Ω0) in the normal state with respect to the SC state is typical of other iron-based materials as well as high-temperature superconducting (HTSC) cuprates.</description><subject>Eliashberg equations</subject><subject>ellipsometry</subject><subject>IR spectroscopy</subject><subject>iron-based superconductors</subject><subject>multiband superconductivity</subject><subject>non-phononic mechanism</subject><subject>transport properties</subject><issn>0953-8984</issn><issn>1361-648X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNptj81LxDAUxIMoWFfvHnPyZLsvTdImx7q4KizuRcFbSPOBWbptaOr_b8sunpzLwDDMez-E7gkUBIRYE1qRvGLia63b1lB6gbK_6BJlIDnNhRTsGt2kdAAAJijLULOPUzC6w7q3-DtY63o8jbpPcRgnHMchunEKLuHB4ye9daSQ5D1AAbJJJfahO96iK6-75O7OvkKf2-ePzWu-27-8bZpdHginU15rL3TpJK81F65qrbQ1F4w4XnEmbC2t52At5UwaqBkYxm05y3griJy_X6HH024YojoMP2M_X1ME1IKvFla1sKoT_lx_-KdujopSxRQwXgFR0Xr6C8_XWQc</recordid><startdate>20210127</startdate><enddate>20210127</enddate><creator>Aleshchenko, Yu A</creator><creator>Muratov, A V</creator><creator>Ummarino, G A</creator><creator>Richter, S</creator><creator>Anna Thomas, A</creator><creator>Hühne, R</creator><general>IOP Publishing</general><scope/><orcidid>https://orcid.org/0000-0002-0030-6048</orcidid><orcidid>https://orcid.org/0000-0002-6226-8518</orcidid><orcidid>https://orcid.org/0000-0002-0923-3324</orcidid></search><sort><creationdate>20210127</creationdate><title>Optical and hidden transport properties of BaFe1.91Ni0.09As2 film</title><author>Aleshchenko, Yu A ; Muratov, A V ; Ummarino, G A ; Richter, S ; Anna Thomas, A ; Hühne, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i153t-7af8a2e957a58e6bd9d75841e56548d79df50dd3549c0740c45d2222cfd819953</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Eliashberg equations</topic><topic>ellipsometry</topic><topic>IR spectroscopy</topic><topic>iron-based superconductors</topic><topic>multiband superconductivity</topic><topic>non-phononic mechanism</topic><topic>transport properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aleshchenko, Yu A</creatorcontrib><creatorcontrib>Muratov, A V</creatorcontrib><creatorcontrib>Ummarino, G A</creatorcontrib><creatorcontrib>Richter, S</creatorcontrib><creatorcontrib>Anna Thomas, A</creatorcontrib><creatorcontrib>Hühne, R</creatorcontrib><jtitle>Journal of physics. Condensed matter</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Aleshchenko, Yu A</au><au>Muratov, A V</au><au>Ummarino, G A</au><au>Richter, S</au><au>Anna Thomas, A</au><au>Hühne, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Optical and hidden transport properties of BaFe1.91Ni0.09As2 film</atitle><jtitle>Journal of physics. Condensed matter</jtitle><stitle>JPhysCM</stitle><addtitle>J. Phys.: Condens. Matter</addtitle><date>2021-01-27</date><risdate>2021</risdate><volume>33</volume><issue>4</issue><issn>0953-8984</issn><eissn>1361-648X</eissn><coden>JCOMEL</coden><abstract>Optical spectroscopy was used to study the electrodynamics and hidden transport properties of a BaFe1.91Ni0.09As2 thin superconducting (SC) film. We analyzed the normal state data using a Drude-Lorentz model with two Drude components: one narrow (D1) and another broad one (D2). In the SC state, two gaps with 2 Δ 0 ( 2 ) / k B T c = 1.9 -2.0 and 2 Δ 0 ( 1 ) / k B T c = 4.0 -4.3 are formed from the narrow component D1 while the broad component D2 remains ungapped. The calculated total DC resistivity of the film and the low-temperature scattering rate for the narrow Drude component show a hidden Fermi-liquid behavior. The change of total electron-boson coupling (λ tot) and representative energy (Ω0) in the normal state with respect to the SC state is typical of other iron-based materials as well as high-temperature superconducting (HTSC) cuprates.</abstract><pub>IOP Publishing</pub><doi>10.1088/1361-648X/abbc33</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-0030-6048</orcidid><orcidid>https://orcid.org/0000-0002-6226-8518</orcidid><orcidid>https://orcid.org/0000-0002-0923-3324</orcidid></addata></record> |
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| subjects | Eliashberg equations ellipsometry IR spectroscopy iron-based superconductors multiband superconductivity non-phononic mechanism transport properties |
| title | Optical and hidden transport properties of BaFe1.91Ni0.09As2 film |
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