Fabrication and characterization of SmCo5/Nb ferromagnetic/superconducting hybrid thin films grown by RF magnetron sputtering technique

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dc.citation.epage124en_US
dc.citation.spage116en_US
dc.citation.volumeNumber144en_US
dc.contributor.authorOngun, E.en_US
dc.contributor.authorKuru, M.en_US
dc.contributor.authorSerhatlıoğlu, M.en_US
dc.contributor.authorHançer, M.en_US
dc.contributor.authorOzmetin, A. E.en_US
dc.date.accessioned2018-04-12T11:09:56Z
dc.date.available2018-04-12T11:09:56Z
dc.date.issued2017en_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.description.abstractFerromagnet/Superconductor (F/S) bilayer hybrids show exclusive states due to the mutual interaction between the superconductor and the underlying ferromagnetic substructures in micron scale. In this work, we aimed to observe the effects of the interaction between superconductivity and magnetism, especially the phenomenon involving the orientation and the size of magnetic stripes has been investigated in a coupled ferromagnetic/superconducting thin-film structure. In the proposed F/S hybrid system by this work, superconducting niobium thin-films were combined with underlying segments of ferromagnetic SmCo5 substructures. 300 nm thick magnetic films fabricated by RF magnetron sputtering techniques were topographically grown in patterns with stripes oriented either transverse to or along the direction of current flow. The elemental and microstructural analyses were conducted by EDX, SEM and GIXRD characterization tools. Low-temperature DC transport measurements were conducted by means of four point probe method in a 9T closed-cycle cryogenic refrigeration system. Transport superconducting properties, transition temperature TC(H) and second critical field HC2(T) were measured in a range of applied magnetic field between H = 0–9 kOe for the hybrid system. The results revealed that the artificial periodic modulation of applied field through preferentially-oriented magnetic stripes could introduce normal and superconducting channels or barriers for the current flow.en_US
dc.embargo.release2019-10-01en_US
dc.identifier.doi10.1016/j.vacuum.2017.07.024en_US
dc.identifier.issn0042-207X
dc.identifier.urihttp://hdl.handle.net/11693/37317
dc.language.isoEnglishen_US
dc.publisherElsevieren_US
dc.relation.isversionofhttp://dx.doi.org/10.1016/j.vacuum.2017.07.024en_US
dc.source.titleVacuumen_US
dc.subjectNb/SmCo5 superconductor/ferromagnet hybridsen_US
dc.subjectSuperconducting thin-filmsen_US
dc.subjectBinary alloysen_US
dc.subjectCobalt alloysen_US
dc.subjectFerromagnetic materialsen_US
dc.subjectFerromagnetismen_US
dc.subjectHybrid systemsen_US
dc.subjectMagnetic thin filmsen_US
dc.subjectMagnetismen_US
dc.subjectMagnetron sputteringen_US
dc.subjectMagnetronsen_US
dc.subjectNiobium alloysen_US
dc.subjectPhotolithographyen_US
dc.subjectRefrigerationen_US
dc.subjectSuperconducting filmsen_US
dc.subjectSuperconductivityen_US
dc.subjectTemperatureen_US
dc.subjectThin filmsen_US
dc.subjectApplied magnetic fieldsen_US
dc.subjectCryogenic refrigeration systemsen_US
dc.subjectFabrication and characterizationsen_US
dc.subjectFour-point probe methoden_US
dc.subjectMicrostructural analysisen_US
dc.subjectRF magnetron sputtering techniqueen_US
dc.subjectSuperconducting propertiesen_US
dc.subjectSuperconductivity and magnetismen_US
dc.subjectMagnetic thick filmsen_US
dc.titleFabrication and characterization of SmCo5/Nb ferromagnetic/superconducting hybrid thin films grown by RF magnetron sputtering techniqueen_US
dc.typeArticleen_US
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Institute of Materials Science and Nanotechnology (UNAM)