Singh, S. J. ; Prakash, J. ; Ganguli, A. K. ; Patnaik, S. (2011) Study of thermoelectric power and superconducting gap in CeO0.9F0.1Fe1−yCoAs AIP Conference Proceedings, 1349 . Article ID 903. ISSN 0094-243X
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Official URL: http://aip.scitation.org/doi/abs/10.1063/1.3606150
Related URL: http://dx.doi.org/10.1063/1.3606150
Abstract
To understand the interplay of magnetism and superconductivity in oxypnictides, we have studied simultaneous carrier doping in different layers of CeOFeAs; F in CeO and Co in FeAs. The rf penetration depth shows exponential temperature dependence with gap values ∼1.9 and 1.6 meV for optimal F‐doped and F and Co‐doped samples respectively. The thermoelectric power data for CeOFFeCoAs can be divided into multiple regions and every region could be fitted with appropriate temperature dependence. The dominance of different scattering mechanism is discussed with respect to F and Co substitutions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Institute of Physics. |
| Keywords: | Superconductivity; Pnictides; Doping |
| ID Code: | 112096 |
| Deposited On: | 28 Sep 2017 12:21 |
| Last Modified: | 28 Sep 2017 12:21 |
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