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Contribution of inter- and intraband transitions into electron-phonon coupling in metals

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    SYSNO ASEP0545327
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleContribution of inter- and intraband transitions into electron-phonon coupling in metals
    Author(s) Medvedev, Nikita (FZU-D) ORCID
    Milov, I. (NL)
    Number of authors2
    Article number212
    Source TitleEuropean Physical Journal D. - : Springer - ISSN 1434-6060
    Roč. 75, č. 7 (2021)
    Number of pages6 s.
    Languageeng - English
    CountryUS - United States
    Keywordselectron-photon coupling in metals ; inter- and intraband transitions ; calculations
    Subject RIVBM - Solid Matter Physics ; Magnetism
    OECD categoryCondensed matter physics (including formerly solid state physics, supercond.)
    R&D ProjectsLTT17015 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    Research Infrastructuree-INFRA CZ - 90140 - CESNET, zájmové sdružení právnických osob
    Method of publishingOpen access
    Institutional supportFZU-D - RVO:68378271
    UT WOS000691558300001
    EID SCOPUS85111245321
    AnnotationWe recently developed an approach for calculation of the electron–phonon (electron–ion in a more general case) coupling in materials based on tight-binding molecular dynamics simulations. In the present work, we utilize this approach to study partial contributions of inter- and intraband electron scattering events into total electron–phonon coupling in Al, Au, and Cu elemental metals and in AlCu alloy. We demonstrate that the interband scattering plays an important role in the electron–ion energy exchange process in Al and AlCu, whereas intraband d–d transitions are dominant in Au and Cu. Moreover, interand intraband transitions exhibit qualitatively different dependencies on the electron temperature. Our findings should be taken into account for the interpretation of experimental results on the electron–phonon coupling parameter.
    WorkplaceInstitute of Physics
    ContactKristina Potocká,, Tel.: 220 318 579
    Year of Publishing2022
    Electronic address
Number of the records: 1  

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