Tailoring the ultra-soft magnetic properties of sputtered FineMET thin films for high-frequency power applications

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Tailoring the ultra-soft magnetic properties of sputtered FineMET thin films for high-frequency power applications

Masood, Ansar; McCloskey, Paul; Ó Mathúna, S. Cian; Kulkarni, Santosh; Masood, Ansar
Date: 2017
Copyright: © 2017 IOP Publishing. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd.
Copyright information: https://creativecommons.org/licenses/by/3.0/
Related: http://stacks.iop.org/1742-6596/903/i=1/a=012050
Citation: Masood, A., McCloskey, P., Ó Mathúna, C., and Kulkarni, S. (2017) 'Tailoring the ultra-soft magnetic properties of sputtered FineMET thin films for high-frequency power applications', Journal of Physics: Conference Series, 903(1), 012050 (3pp). doi: 10.1088/1742-6596/903/1/012050
Published Version: 10.1088/1742-6596/903/1/012050

Abstract:

This paper presents sputtered FineMET thin films with high saturation magnetic flux density and ultra-soft magnetic properties by maintaining an in-plane magnetization reversal process. The magnetic properties of FineMET thin films were investigated as a function of film thickness (40-517 nm) and annealing temperature (200-400 °C). The hysteresis loop study reveals that the films with low thickness (40 −316 nm) were perpendicularly magnetized in the as-deposited state. The ultra-soft magnetic properties (Hc =3 A/m) of the films were tailored by a thermal annealing process. A high relative permeability (μr ) of 1763 of these films with a good loss performance up to 1 GHz, makes them attractive for high-frequency power applications.

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© 2017 IOP Publishing. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd. Except where otherwise noted, this item's license is described as © 2017 IOP Publishing. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Published under licence by IOP Publishing Ltd.
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