Competition between the modification of intrinsic superconducting properties and the pinning landscape under external pressure in CaKFe${}_4$As${}_4$ single crystals

Shuyuan Huyan, Nestor Haberkorn, Mingyu Xu +2

Measurements of low field magnetization, trapped flux magnetization and 5 K flux creep in single crystal of CaKFe${}_4$As${}_4$ under pressure up to 7.5 GPa in a diamond pressure cell…