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  Normal State Resistivity of Ba1-xKxFe2As2: Evidence for Multiband Strong-Coupling Behavior

Golubov, A. A., Dolgov, O. V., Boris, A. V., Charnukha, A., Sun, D. L., Lin, C. T., et al. (2011). Normal State Resistivity of Ba1-xKxFe2As2: Evidence for Multiband Strong-Coupling Behavior. JETP Letters, 94(4), 333-337.

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Item Permalink: https://hdl.handle.net/21.11116/0000-000E-BE8F-C Version Permalink: https://hdl.handle.net/21.11116/0000-000E-BE90-9
Genre: Journal Article

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 Creators:
Golubov, A. A.1, Author           
Dolgov, O. V.2, 3, 4, Author           
Boris, A. V.4, Author           
Charnukha, A., Author
Sun, D. L., Author
Lin, C. T.5, Author           
Shevchun, A. F., Author
Korobenko, A. V., Author
Trunin, M. R., Author
Zverev, V. N., Author
Affiliations:
1Former Scientific Facilities, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370501              
2Department Nanoscale Science (Klaus Kern), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370481              
3Former Departments, Max Planck Institute for Solid State Research, Max Planck Society, ou_3370502              
4Department Solid State Spectroscopy (Bernhard Keimer), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370480              
5Scientific Facility Crystal Growth (Masahiko Isobe), Max Planck Institute for Solid State Research, Max Planck Society, ou_3370496              

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 Abstract: The normal state resistivity in multiband superconductors has been analyzed in the framework of Eliashberg theory. The results are compared with measurements of the temperature dependence of normal state resistivity of high-purity Ba(0.68)K(0.32)Fe(2)As(2) single crystals with the highest reported transition temperature T(c) = 38.5 K. The experimental data demonstrate strong deviations from the Bloch-Gruneisen behavior, namely the tendency to saturation of the resistivity at high temperatures. The observed behavior of the resistivity is explained within the two band scenario when the first band is strongly coupled and relatively clean, while the second band is weakly coupled and is characterized by much stronger impurity scattering. DOI: 10.1134/S0021364011160041

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Language(s): eng - English
 Dates: 2011
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 581105
ISI: 000297157600018
 Degree: -

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Title: JETP Letters
  Alternative Title : Jetp Lett.
Source Genre: Journal
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Publ. Info: NEW YORK : MAIK NAUKA/INTERPERIODICA/SPRINGER
Pages: - Volume / Issue: 94 (4) Sequence Number: - Start / End Page: 333 - 337 Identifier: ISSN: 0021-3640