Effects of proton irradiation on flux-pinning properties of underdoped Ba(Fe${}_{0.96}$Co${}_{0.04}$)${}_2$As${}_2$ pnictide superconductor

S. Salem-Sugui, D. Moseley, S. J. Stuard +4

We study the effect of proton irradiation on Ba(Fe${}_{0.96}$Co${}_{0.04}$)${}_2$As${}_2$ superconducting single crystals from combined magnetisation and magnetoresistivity measurements. T…