Bhoi, D ; Mandal, P ; Choudhury, P (2008) Resistivity saturation in PrFeAsO1−xFy superconductor: evidence of strong electron–phonon coupling Superconductor Science and Technology, 21 (12). p. 125021. ISSN 0953-2048
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Official URL: http://doi.org/10.1088/0953-2048/21/12/125021
Related URL: http://dx.doi.org/10.1088/0953-2048/21/12/125021
Abstract
We have measured the resistivity of PrFeAsO1−xFy samples over a wide range of temperature in order to elucidate the role of electron–phonon interaction on normal- and superconducting-state properties. The linear T dependence of ρ above 170 K followed by a saturation-like behavior at higher temperature is a clear signature of strong electron–phonon coupling. From the analysis of the T dependence of ρ, we have estimated several normal-state parameters that are useful for understanding the origin of superconductivity in this system. Our results suggest that Fe-based oxypnictides are phonon-mediated BCS superconductors like Chevrel phases and A15 compounds.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Institute of Physics Publishing. |
| ID Code: | 122859 |
| Deposited On: | 19 Aug 2021 09:58 |
| Last Modified: | 19 Aug 2021 09:58 |
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