ИСТИНА

A heterostructure comprising several ferromagnetic (F) and superconducting (S) layers acquires functionality of managing the superconducting properties of a system applying external magnetic fields. It is superconducting spin-valve effect. In the talk, several designs of the superconducting spin-valves are considered, the existing experimental data for the weak and strong ferromagnetic materials are analyzed; the role of the domain structure of the ferromagnet and the scattering of electrons with spin flip on the S-F interfaces on the magnitude of the valve effect is described. The effect of the triplet pairing components on the critical temperature of S-F heterostructures is analyzed. The theoretical as well as experimental works in the field are reviewed. Support by DFG HO 955/9-1 and RFBR (grants No. 16-02-01171-a, 15-32-20362-bel_a_ved) is gratefully acknowledged. L.R.T. thanks the RAS Presidium Programme “Actual problems of low temperature physics” for the partial support.