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Highly Textured FeCo Thin Films Deposited by Low Temperature Pulsed Laser Deposition

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Istituto di Struttura della Materia, CNR, Monterotondo Stazione, Roma 00015, Italy
Università Politecnica delle Marche, Dipartimento SIMAU, Via Brecce Bianche, Ancona 60131, Italy
§ Innovation Park and Institute of Physics and Technology, Immanuel Kant Baltic Federal University, Kaliningrad 238300, Russian Federation
National University of Science and Technology “MISiS”, Moscow 119049, Russia
Cite this: ACS Appl. Mater. Interfaces 2015, 7, 40, 22341–22347
Publication Date (Web):September 17, 2015
https://doi.org/10.1021/acsami.5b06030
Copyright © 2015 American Chemical Society

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    Abstract

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    The effect of the deposition temperature (Tdep) on the crystallographic orientation of pulsed laser-deposited FeCo/MgO(100) thin film was determined by means of X-ray reflectivity and high resolution trasmission electron microscopy analysis and was correlated with the magnetic anisotropy properties measured by angle dependent hysteresis loops. Highly textured films with a bcc structure and very smooth surface were obtained even at room temperature, the film being [100] and [110] oriented, at Tdep = 25 °C and 150 °C, respectively. The cubic symmetry is reflected in the angular dependence of remanent magnetization, showing a 4-fold character, whose in-plane distribution is consistent with the different crystallographic orientations of the films. The high structural quality, even at room temperature, is reflected in a high value of the saturation magnetization and low coercivity, matching the requirements for technological applications.

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    This article is cited by 12 publications.

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