Numerical study of structural and magnetic properties of thin films obliquely deposited on rippled substrates
- 30 September 2021
- journal article
- research article
- Published by IOP Publishing in Journal of Physics: Condensed Matter
- Vol. 33 (49), 495802
- https://doi.org/10.1088/1361-648x/ac26fc
Abstract
Structural modulation in thin films plays a substantial role in the formation of their magnetic properties. By producing topographic patterns in thin films, it is possible to engineer their magnetic response. Here, we report on the numerical study of the relationship between structural and static magnetic properties of thin films obliquely deposited on substrates with the sinusoidal surface. 3D Monte Carlo film growth simulations show that, under certain deposition conditions, an inhomogeneous columnar morphology can form in the films caused by the shadowing effect and the rippled substrate. Calculations of the demagnetizing tensors for these films demonstrate that their columnar structure is the source of the shape-induced uniaxial magnetic anisotropy that varies nonmonotonically with the deposition angle. Micromagnetic simulations of the generated films confirm the uniaxial character of the shape-induced anisotropy, and also show that magnetization reversal occurs via an incoherent rotation of magnetic moments.Keywords
Funding Information
- Russian Foundation for Basic Research (20-42-242901)
This publication has 35 references indexed in Scilit:
- Magnetic nanostructures for advanced technologies: fabrication, metrology and challengesJournal of Physics D: Applied Physics, 2011
- Thin-film growth dynamics with shadowing and re-emission effectsJournal of Nanophotonics, 2011
- Micromagnetic calculation of the equilibrium distribution of magnetic moments in thin filmsPhysics of the Solid State, 2010
- Introducing artificial length scales to tailor magnetic propertiesNew Journal of Physics, 2009
- Self-organized metallic nanoparticle and nanowire arrays from ion-sputtered silicon templatesApplied Physics Letters, 2008
- Origin of the magnetic anisotropy in ferromagnetic layers deposited at oblique incidenceEurophysics Letters, 2006
- The equivalent ellipsoid of a magnetized bodyJournal of Physics D: Applied Physics, 2006
- Uniaxial Magnetic Anisotropy in Nanostructured: From Surface Ripples to NanowiresPhysical Review Letters, 2003
- Ferromagnetic resonance mode interactions in periodically perturbed filmsJournal of Applied Physics, 2002
- On the origin of oblique-incidence anisotropy in evaporated cobalt filmsIEEE Transactions on Magnetics, 1970