Место издания:Multiprint ( ООО ”ПКЦ АЛЬТЕКС” ) Moscow
Первая страница:55
Аннотация:We investigate the critical temperature Tc of F2F1S trilayers (S is a singlet su-
perconductor, F is a ferromagnetic metal), where the long-range triplet supercon-
ducting component is generated at noncollinear magnetizations of the F layers
[1]. Earlier we demonstrated that Tc in such structures can be a non-monotonic
function of the angle alpha between magnetizations of the two F layers [2], contrary
to the monotonic Tc(alpha) behavior calculated for the F1SF2 superconducting spin-
valve design [3]. It was shown recently [4] the existence of the anomalous depen-
dence of the spin-triplet correlations on the angle alpha in FFS structures. We examine
the spin-singlet and spin-triplet pairing distributions across the layers and their
amplitudes as a function of the angle alpha in the F2F1S и F2SF1 superconducting
spin-valve designs to clarify which one and why may show maximum spin-triplet
pairing impact on the superconducting Tc.
The support in parts by RFBR (grants No. 14-02-00793-a, 14-02-31002-mol_a,
15-32-20362-bel_a_ved)and the Program of Competitive Growth of Kazan Federal
University is gratefully acknowledged.