2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/223226This paper is no longer active and will NOT appear in print. For new data and analysis, please see: arXiv:0903.2220This paper is no longer active and will NOT appear in print. For new data and analysis, please see: arXiv:0903.2220SuperconductivityStrongly Correlated ElectronsNodeless superconducting gap in NdFeAsO$_{0.9}$F$_{0.1}$ single crystals from anisotropic penetration depth studiestext