TY  - JOUR
A1  - Zdravkov, Vladimir I.
A1  - Kehrle, J.
A1  - Obermeier, Günter
A1  - Müller, C.
A1  - Lenk, D.
A1  - Morari, Roman
A1  - Sidorenko, Anatoli S.
A1  - Horn, Siegfried R.
A1  - Tidecks, Reinhard
A1  - Tagirov, Lenar R.
T1  - A spin valve core structure based on the Fulde-Ferrell Larkin-Ovchinnikov like state: studies on bilayers and tilayers of superconductors and ferromagnets
T2  - Journal of Physics: Conference Series
N2  - Interference effects of the superconducting pairing wave function in thin film bilayers of Nb as a superconductor (S) and Cu41Ni59 as ferromagnetic (F) material lead to critical temperature oscillations and reentrant superconductivity for increasing F-layer thickness. The phenomenon is generated by the Fulde-Ferrell Larkin-Ovchinnikov (FFLO) like state establishing in these geometries. So far detailed investigations were performed on S/F bilayers. Recently, we could also realize the phenomena in F/S bilayers where the S-metal now is grown on top of the F-material. Combining both building blocks yields an F/S/F trilayer, representing the core structure of the superconducting spin valve. Also for this geometry we observed deep critical temperature oscillations and reentrant superconductivity, which is the basis to obtain a large spin switching effect, i.e. a large shift in the critical temperature, if the relative orientation of the magnetizations of the F-layers is changed from parallel to antiparallel.
KW  - General Physics and Astronomy
Y1  - 2012
UR  - https://opus.bibliothek.uni-augsburg.de/opus4/frontdoor/index/index/docId/59036
UR  - https://nbn-resolving.org/urn:nbn:de:bvb:384-opus4-590361
SN  - 1742-6588
SN  - 1742-6596
VL  - 400
IS  - 2
SP  - 022143
PB  - IOP Publishing
CY  - Bristol
ER  -