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Browsing by Author "Lenk D."

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A spin valve core structure based on the fulde-ferrell larkin-ovchinnikov like state: Studies on bilayers and trilayers of superconductors and ferromagnets

Zdravkov V.; Kehrle J.; Obermeier G.; Müller C.; Lenk D.; Morari R.; Sidorenko A.; Horn S.; Tidecks R.; Tagirov L. (2012)

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 ...
Experimental and theoretical analysis of the upper critical field in ferromagnet-superconductor-ferromagnet trilayers

Antropov E.; Kalenkov M.; Kehrle J.; Zdravkov V.; Morari R.; Socrovisciuc A.; Lenk D.; Horn S.; Tagirov L.; Zaikin A.; Sidorenko A.; Hahn H.; Tidecks R. (2013)

The upper critical magnetic field Hc2 in thin film ferromagnet-superconductor-ferromagnet trilayer spin-valve cores is studied experimentally and theoretically in geometries perpendicular and parallel to the heterostructure ...
Experimental observation of the triplet spin-valve effect in a superconductor-ferromagnet heterostructure

Zdravkov V.; Kehrle J.; Obermeier G.; Lenk D.; Krug Von Nidda H.; Müller C.; Kupriyanov M.; Sidorenko A.; Horn S.; Tidecks R.; Tagirov L. (2013)

The theory of superconductor-ferromagnet heterostructures with two ferromagnetic layers predicts the generation of a long-range, odd-in-frequency triplet pairing at noncollinear alignment (NCA) of the magnetizations of the ...
Full-switching FSF-type superconducting spin-triplet magnetic random access memory element

Lenk D.; Morari R.; Zdravkov V.; Ullrich A.; Khaydukov Y.; Obermeier G.; Müller C.; Sidorenko A.; Von Nidda H.; Horn S.; Tagirov L.; Tidecks R. (2017)

© 2017 American Physical Society. In the present work a superconducting Co/CoOx/Cu41Ni59/Nb/Cu41Ni59 nanoscale thin film heterostructure is investigated, which exhibits a superconducting transition temperature, Tc, depending ...
Influence of the FFLO-like state on the upper critical field of a superconductor/ferromagnet bilayer: Angular and temperature dependence

Lenk D.; Hemmida M.; Morari R.; Zdravkov V.; Ullrich A.; Müller C.; Sidorenko A.; Horn S.; Tagirov L.; Loidl A.; Von Nidda H.; Tidecks R. (2016)

© 2016 American Physical Society.We investigated the upper critical magnetic field Hc of a superconductor-ferromagnet (S/F) bilayer of Nb/Cu41Ni59 and a Nb film (as reference). We obtained the dependence of Hc and Hc ...
Influence of the FFLO-like state on the upper critical field of a superconductor/ferromagnet bilayer: Angular and temperature dependence

Lenk D.; Hemmida M.; Morari R.; Zdravkov V.; Ullrich A.; Müller C.; Sidorenko A.; Horn S.; Tagirov L.; Loidl A.; Von Nidda H.; Tidecks R. (2016)

© 2016 American Physical Society.We investigated the upper critical magnetic field Hc of a superconductor-ferromagnet (S/F) bilayer of Nb/Cu41Ni59 and a Nb film (as reference). We obtained the dependence of Hc and Hc ...
Interference effects of the superconducting pairing wavefunction due to the Fulde-Ferrell-Larkin-Ovchinnikov like state in ferromagnet/superconductor bilayers

Zdravkov V.; Kehrle J.; Obermeier G.; Ullrich A.; Gsell S.; Lenk D.; Müller C.; Morari R.; Sidorenko A.; Ryazanov V.; Tagirov L.; Tidecks R.; Horn S. (2011)

The theoretical description of the Fulde-Ferrell-Larkin-Ovchinnikov like state establishing in nanostructured bilayers of ferromagnetic (F) and superconducting (S) material leads to critical temperature oscillations and ...
Memory effect and triplet pairing generation in the superconducting exchange biased Co/CoOx/Cu41Ni59/Nb/Cu 41Ni59 layered heterostructure

Zdravkov V.; Lenk D.; Morari R.; Ullrich A.; Obermeier G.; Müller C.; Krug Von Nidda H.; Sidorenko A.; Horn S.; Tidecks R.; Tagirov L. (2013)

We fabricated a nanolayered hybrid superconductor-ferromagnet spin-valve structure, the resistive state of which depends on the preceding magnetic field polarity. The effect is based on a strong exchange bias (about -2 ...
Reentrant superconductivity and superconducting critical temperature oscillations in F/S/F trilayers of Cu41Ni59/Nb/Cu 41Ni59 grown on cobalt oxide

Zdravkov V.; Kehrle J.; Lenk D.; Obermeier G.; Ullrich A.; Müller C.; Krug Von Nidda H.; Morari R.; Sidorenko A.; Tagirov L.; Horn S.; Tidecks R. (2013)

Ferromagnet/Superconductor/Ferromagnet (F/S/F) trilayers constitute the core of a superconducting spin valve. The switching effect of the spin valve is based on interference phenomena occurring due to the proximity effect ...
Thickness dependence of the triplet spin-valve effect in superconductor-ferromagnet-ferromagnet heterostructures

Lenk D.; Zdravkov V.; Kehrle J.; Obermeier G.; Ullrich A.; Morari R.; von Nidda H.; Müller C.; Kupriyanov M.; Sidorenko A.; Horn S.; Deminov R.; Tagirov L.; Tidecks R. (2016)

© 2016 Lenk et al.Background: In nanoscale layered S/F1/N/F2/AF heterostructures, the generation of a long-range, odd-in-frequency spin-projection one triplet component of superconductivity, arising at non-collinear alignment ...

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Browsing by Author "Lenk D."

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