Micromagnetic simulations of magnetoelastic heterostructures

The system formed by a 10 nm thin film of Ni and a 10 μm-thick V2O3 layer shows a reversible enhancement of the coercivity (∼300%) due to the structural phase transition (metal/insulator) of the V2O3layer. Performing micromagnetic simulations and comparing the results with experimental data we have studied the coupling mechanism on the Ni/V2O3 interface. We have proven that this coupling is responsible for the coercivity enhancement and that the magnetisation domains in the Ni do not follow exactly the metal/insulator domains on the V2O3. Finally, we have determined that the results of the simulations are in agreement with a phase coexistence in V2O3.

Treballs Finals de Grau de Física, Facultat de Física, Universitat de Barcelona, Curs: 2018, Tutora: Arantxa Fraile Rodríguez

Country

Spain

Related Organizations

University of Barcelona
Spain

Keywords

Bachelor's thesis, Materials magnètics, Simulació per ordinador, Bachelor's theses, Treballs de fi de grau, Computer simulation, Magnetic materials

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