NMR studies on iron-pnictide superconductors: LaFeAs(O sub(1-xF) sub(x)) and BaFe sub(2(As) sub(1)-xP sub(x)) sub(2)
This review presents a summary of our NMR experiments on LaFeAs(O sub(1-xF) sub(x)) and BaFe sub(2(As) sub(1)-xP sub(x)) sub(2). The authors introduce the key NMR experimental results which reveal their physical properties in the normal and superconducting states. From the comparison of the NMR resu...
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Veröffentlicht in: | Comptes rendus. Physique 2011-08, Vol.12 (5-6), p.515-531 |
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Sprache: | eng |
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Zusammenfassung: | This review presents a summary of our NMR experiments on LaFeAs(O sub(1-xF) sub(x)) and BaFe sub(2(As) sub(1)-xP sub(x)) sub(2). The authors introduce the key NMR experimental results which reveal their physical properties in the normal and superconducting states. From the comparison of the NMR results between the two systems, we point out that the superconducting gap structure and the relationship between superconductivity and magnetic fluctuations probed with NMR are quite different between the two systems.Original Abstract: Cet article de revue couvre nos resultats obtenus par RMN sur les supraconducteurs pnictures a base de fer LaFeAs(O sub(1-xF) sub(x)) et BaFe sub(2(As) sub(1)-xP sub(x)) sub(2). Nous introduisons les mesures clefs qui ont sonde leurs proprietes tant normales que supraconductrices. la comparaison des deux systemes montre que la structure du gap supraconducteur ainsi que la relation entre supraconductivite et fluctuations magnetiques, telles que vue par la RMN, sont tres differentes dans les deux cas. |
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ISSN: | 1631-0705 |
DOI: | 10.1016/j.crhy.2011.04.004 |