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Magneto-thermal conductivity of perovskite manganite films and exchange-spring coupled superlattices

dc.contributor.advisorMoshnyaga, Vasily Prof. Dr.
dc.contributor.authorBruchmann-Bamberg, Vitaly
dc.date.accessioned2024-02-21T17:52:40Z
dc.date.available2024-02-28T00:50:09Z
dc.date.issued2024-02-21
dc.identifier.urihttp://resolver.sub.uni-goettingen.de/purl?ediss-11858/15132
dc.identifier.urihttp://dx.doi.org/10.53846/goediss-10365
dc.format.extent148de
dc.language.isoengde
dc.subject.ddc530de
dc.titleMagneto-thermal conductivity of perovskite manganite films and exchange-spring coupled superlatticesde
dc.typedoctoralThesisde
dc.contributor.refereeMoshnyaga, Vasily Prof. Dr.
dc.date.examination2024-01-12de
dc.subject.gokPhysik (PPN621336750)de
dc.description.abstractengIn this thesis, thin colossal magnetoresistive perovskite manganite films and superlattices forming an exchange spring magnet were studied regarding their magneto-thermal conductivity. Using the metalorganic aerosol deposition technique high quality films and superlattices were grown on different substrates and were analyzed with the 3-omega method for thermal conductivity measurements which was implemented into a physical property measurement system setup. Single thin films of lanthanum praseodymium calcium manganite showed an expected behavior of positive magneto-thermal conductivity known from literature bulk measurements with only slight deviations related to thin film geometry, whereas superlattices of perovskite/double perovskite superlattices of lanthanum strontium/lanthanum cobalt manganite were found to have perpendicular magnetic anisotropy and both positive and negative magneto-thermal conductivity dependent on the magnetic spin order/disorder that can be controlled by external magnetic fields.de
dc.contributor.coRefereeJooß, Christian Prof. Dr.
dc.subject.engThin films, superlattices, colossal magnetoresistance, exchange spring magnet, perpendicular magnetic anisotropy, magneto-thermal conductivityde
dc.identifier.urnurn:nbn:de:gbv:7-ediss-15132-5
dc.affiliation.instituteFakultät für Physikde
dc.description.embargoed2024-02-28de
dc.identifier.ppn1881403866
dc.notes.confirmationsentConfirmation sent 2024-02-21T19:45:01de


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