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Title: Control of magnetism by interfacial strain in Ni/V2O3 nanostructures
Author: Borasino Marqués, Axel
Director/Tutor: Fraile Rodríguez, Arantxa
Keywords: Propietats magnètiques
Pel·lícules fines
Treballs de fi de grau
Magnetic properties
Thin films
Bachelor's thesis
Issue Date: Jun-2016
Abstract: Magnetic properties of thin films can be modified through proximity effects with multilayer structures. Materials that undergo both a structural phase transition (SPT) and a metal to insulator transition (MIT) have been used for this purpose. This crystallographic change induces a stress to the adjacent layer that changes the magnetic properties of the film through magnetoelastic anisotropy. This work is devoted to the study of magnetic properties of Ni/V2O3 affected by the SPT of the V2O3. In order to achieve this goal, images obtained with synchrotron-based photoemission electron microscopy have been analyzed to spatially resolve the magnetic domains orientations and observe its evolution with an applied magnetic field. For this purpose-built algorithm has been developed and used in addition to other existing image and data analysis tools. Continuous distributions of coercitivites and magnetizations have been obtained in addition to a rather abrupt magnetic reversal mechanism
Note: Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2016, Tutor: Arantxa Fraile Rodríguez
Appears in Collections:Treballs Finals de Grau (TFG) - Física

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