Probing Bulk Superconducting Order Parameter in Ba(K)Fe${}_2$As${}_2$ by Four Complementary Techniques

A. V. Muratov, T. E. Kuzmicheva, A. V. Sadakov +7

Using four different experimental techniques, we performed comprehensive studies of the bulk superconductive properties of single crystals of the nearly optimally doped $Ba_{1-x}K_…