Controlling the competing magnetic anisotropy energies in FineMET amorphous thin films with ultra-soft magnetic properties
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Published Version
Date
2017-05-22
Authors
Masood, Ansar
McCloskey, Paul
Ó Mathúna, S. Cian
Kulkarni, Santosh
Journal Title
Journal ISSN
Volume Title
Publisher
AIP Publishing
Published Version
Abstract
Thickness dependent competing magnetic anisotropy energies were investigated to explore the global magnetic behaviours of FineMET amorphous thin films. A dominant perpendicular magnetization component in the as-deposited state of thinner films was observed due to high magnetoelastic anisotropy energy which arises from stresses induced at the substrate-film interface. This perpendicular magnetization component decreases with increasing film thickness. Thermal annealing at elevated temperature revealed a significant influence on the magnetization state of the FineMET thin films and controlled annealing steps leads to ultra-soft magnetic properties, making these thin films alloys ideal for a wide range of applications.
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Keywords
Magnetic films , Magnetic anisotropy , Amorphous magnetic materials , Thin film thickness , Thermoelasticity
Citation
Masood, A., McCloskey, P., Ó Mathúna, C., and Kulkarni, S. (2017) 'Controlling the competing magnetic anisotropy energies in FineMET amorphous thin films with ultra-soft magnetic properties', AIP Advances, 7, 055208 (7pp). doi: 10.1063/1.4984235