Berlin 2015 – wissenschaftliches Programm

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TT: Fachverband Tiefe Temperaturen

TT 84: Focus Session: Nanoscopic Superconducting Heterostructures

TT 84.7: Vortrag

Donnerstag, 19. März 2015, 12:30–12:45, H 0104

Electronic heat, charge and spin transport in superconductor-ferromagnetic insulator structures — •Sebastian Bergeret — Materials Physics Center (CFM_CSIC), San Sebastian, Spain — Donostia International Physics Center (DIPC), San Sebastian, Spain

It is known for some time that a superconducting (S) film in contact with a ferromagnetic insulator (FI) exhibits a spin-splitting in the density of states (DoS). Recently we have explored different S-FI hybrid structures and predicted novel effects exploiting such spin-splitting of the DoS. In this talk I will briefly discuss (i) a heat valve based on a FI-S-I-S-FI Josephson junction; (ii) a thermoelectric transistor and (iii) the occurrence of a giant thermophase in a thermally-biased Josephson junction.