Publication: Optical and hidden transport properties of BaFe1.91Ni0.09As2 film
Дата
2020
Авторы
Aleshchenko, Y. A.
Muratov, A. V.
Ummarino, G. A.
Richter, S.
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Аннотация
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 (D-1) and another broad one (D-2). In the SC state, two gaps with 2 Delta((2))(0)/k(B)T(c) = 1.9 - 2.0 and 2 Delta((1))(0)/k(B)T(c) = 4.0-4.3 are formed from the narrow component D-1 while the broad component D-2 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 (lambda(tot)) and representative energy (Omega(0)) 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.
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Optical and hidden transport properties of BaFe1.91Ni0.09As2 film / Aleshchenko, YA [et al.] // Journal of Physics Condensed Matter. - 2020. - 33. - № 4. - 10.1088/1361-648X/abbc33
URI
https://www.doi.org/10.1088/1361-648X/abbc33
https://www.scopus.com/record/display.uri?eid=2-s2.0-85096555935&origin=resultslist
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https://openrepository.mephi.ru/handle/123456789/22614
https://www.scopus.com/record/display.uri?eid=2-s2.0-85096555935&origin=resultslist
http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000584943500001
https://openrepository.mephi.ru/handle/123456789/22614