Journal Article Vortex structures, penetration depth and pairing in iron-based superconductors studied by small-angle neutron scattering DOI Link https://doi.org/http://dx.doi.org/10.1088/0034-4885/74/12/124504 Authors Eskildsen M.R., Forgan E.M., Kawano-Furukawa H. Publication Reports on Progress in Physics Pages 124504 Volume 74 Instruments GP-SANS | CG-2 | HFIR