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Comptes Rendus Physique
Volume 12, n° 5-6
pages 515-531 (juin 2011)
Doi : 10.1016/j.crhy.2011.04.004
NMR studies on iron-pnictide superconductors:   and  
Études par RMN des supraconducteurs pnictures à base de fer LaFeAs(O1 x Fx ) et BaFe2 (As1 x Px )2
 

Kenji Ishida a, b, , Yusuke Nakai a, b, Shunsaku Kitagawa a, b, Tetsuya Iye a, b
a Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan 
b Transformative Research-project on Iron Pnictides (TRIP), Japan Science and Technology Agency (JST), Sanban-cho bldg., 5, Sanban-cho, Chiyoda, Tokyo 102-0075, Japan 

Corresponding author at: Department of Physics, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan.
Abstract

This review presents a summary of our NMR experiments on   and  . 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.

The full text of this article is available in PDF format.
Résumé

Cet article de revue couvre nos résultats obtenus par RMN sur les supraconducteurs pnictures à base de fer   et  . Nous introduisons les mesures clefs qui ont sondé leurs propriétés tant normales que supraconductrices. La comparaison des deux systèmes montre que la structure du gap supraconducteur ainsi que la relation entre supraconductivité et fluctuations magnétiques, telles que vue par la RMN, sont très différentes dans les deux cas.

The full text of this article is available in PDF format.

Keywords : Nuclear magnetic resonance, Iron pnictides superconductors, Pairing mechanism, Order parameter symmetry

Mots-clés : Résonance magnétique nucléaire, Supraconducteurs pnictures à base de fer, Mécanisme dʼappariement, Symétrie du paramètre dʼordre




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