Tuning magnetic microstructure in Gd-Fe thin films: Experiment and Simulation

Talapatra, A and Arout Chelvane, J and Mohanty, J (2017) Tuning magnetic microstructure in Gd-Fe thin films: Experiment and Simulation. Journal of Magnetism and Magnetic Materials. ISSN 0304-8853 (In Press)

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Abstract

This paper reports a detailed investigation of magnetic microstructure and magnetic properties in Gd19Fe81Gd19Fe81 thin films after rapid thermal processing at different temperature viz. 300, 400 and 500 °C for 20 min. While the as-prepared films show stripe domain with high magnetic contrast, the processed samples display a weak magnetic contrast shadowed with topographic feature. The perpendicular magnetic anisotropy observed in the as-prepared sample no longer exists after rapid thermal processing. Magnetization measurements and MFM respectively confirm the increase in saturation magnetization and decrease in perpendicular magnetic anisotropy. Micromagnetic simulations have been performed to understand the domain modification and associated magnetic properties as a function of saturation magnetization, anisotropy value and in-plane tilt of the easy axis.

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IITH Creators:
IITH CreatorsORCiD
Mohanty, JUNSPECIFIED
Item Type: Article
Uncontrolled Keywords: Rare-earth transition-metal alloy; Rapid thermal processing; Magnetic domain; Micromagnetic simulation
Subjects: Materials Engineering > Materials engineering
Divisions: Department of Physics
Depositing User: Team Library
Date Deposited: 07 Aug 2017 07:02
Last Modified: 07 Aug 2017 07:02
URI: http://raiith.iith.ac.in/id/eprint/3457
Publisher URL: https://doi.org/10.1016/j.jmmm.2017.07.092
OA policy: http://www.sherpa.ac.uk/romeo/issn/0304-8853/
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