Small-angle neutron scattering (SANS) is one of the most important techniques for
microstructure determination, being utilized in a wide range of scientific disciplines, such as …

For a type-II superconductor in an applied magnetic field greater than the lower critical field
Hc1, the magnetic flux will penetrate into the superconductor and form quantized vortices …

The recent discovery of iron pnictide superconductors has resulted in a rapidly growing
interest in multiband models with more than two bands. In this work we specifically focus on …

Critical current density was studied in single crystals of Ba (Fe 1− x Co x) 2 As 2 for the
values of x spanning the entire doping phase diagram. A noticeable enhancement was …

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 …

A comparative study of the upper critical field H c 2 and second magnetization peak H sp
was performed using high-quality single crystals of hole-doped Ba 0.68 K 0.32 Fe 2 As 2 …

Here we review recent small-angle scattering studies of the vortex lattice in a range of type-II
superconductors carried out by our group. Emphasis is placed on providing examples of the …

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 …

We investigate the fishtail effect, critical current density (J c), and vortex dynamics in LiFeAs
single crystals. The sample exhibits a second peak (SP) in the magnetization loop only with …

We report superconducting (SC) properties of stoichiometric LiFeAs (T c= 17 K) studied by
small-angle neutron scattering (SANS) and angle-resolved photoemission (ARPES) …