Structural, magnetic and magnetostrictive behavior of Fe-Co thin films grown on Si <100> substrates has been investigated. Structural studies indicated that the films are polycrystalline in nature with body centered cubic type structure. Magnetostriction was found to decrease with increase in film thicknesses. Magnetization studies exhibited predominant in-plane magnetic anisotropy for all the films. In addition to this, films grown with higher thicknesses also showed presence of out-of-plane magnetic anisotropy co-existing with in-plane magnetic components. This observation was further validated through magnetic microscopy studies. Presence of competing anisotropies has been found to be the reason for the decrease in the magnetostriction with change in film thicknesses. © 2018 Author(s).

Jyoti Ranjan Mohanty

Department of Physics

K. Umadevi

J.A. Chelvane

A. Talapatra

V. Jayalakshmi

Indian Institute of Technology Hyderabad (IITH) is a premier institute of science and technology established in 2008. IITH has been consistently ranked in the&nbsp;<a href="https://iith.ac.in/reports/" rel="noopener noreferrer">top 10 institutes</a>&nbsp;in India for Engineering&nbsp;<a href="https://www.nirfindia.org/2021/EngineeringRanking.html" rel="noopener noreferrer" target="_blank">according to NIRF</a>&nbsp;making it one of the most coveted schools for science and technology in the country.

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Journal	AIP Conference Proceedings
Publisher	American Institute of Physics Inc.
ISSN	0094243X