Multigap superconductivity in RbCa2Fe4As4F2 investigated using muSR measurements

D. T Adroja, F. K. K. Kirschner, F. Lang +6

The superconducting properties of the recently discovered double Fe${}_2$As${}_2$ layered high-$T_c$ superconductor RbCa${}_2$Fe${}_4$As${}_4$F${}_2$ with $T_c\approx$ 30~K have been investiga…