Technological progress in material synthesis, as well as artificial realization of condensed
matter scenarios via ultra-cold atomic gases in optical lattices or epitaxial growth of thin …

The discovery of iron-based superconductors (FBS) and their superconducting properties
has generated huge research interest and provided a very rich physics high T c family for …

We investigate the temperature dependence of the lower critical field H c 1 (T) of a high-
quality FeSe single crystal under static magnetic fields H parallel to the c axis. The …

We present a comprehensive study of the critical current densities and the superconducting
vortex phase diagram in the stoichiometric superconductor CaKFe 4 As 4 which has a …

The correlation in type-II superconductors between the creep rate S and the Second
Magnetization Peak (SMP) phenomenon which produces an increase in Jc, as a function of …

Investigation of vortex pinning and its relaxation is of great importance for both basic physics
and technological applications in the field of superconductivity. We report a great …

In order to establish the doping dependence of the critical current properties in the iron-
based superconductors, the in-plane critical current density J c of BaF e 2 A s 2-based …

An extensive study of the magnetic properties of FeTe 0.7 Se 0.3 crystals in the
superconducting state is presented. We show that weak collective pinning, originating from …

Superconductors are excellent testbeds for studying vortices, topological excitations that
also appear in superfluids, liquid crystals and Bose–Einstein condensates. Vortex motion …

Among all Fe-based superconductors, FeSe has the simplest composition and crystal
structure, with only the most basic structural unit, the FeSe layer. Due to the ease of …