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

The effect of the deposition temperature (T dep) 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...

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Published in:ACS applied materials & interfaces 2015-10, Vol.7 (40), p.22341-22347
Main Authors: Varvaro, Gaspare, Peddis, Davide, Barucca, Gianni, Mengucci, Paolo, Rodionova, Valeria, Chichay, Ksenia, Testa, Alberto Maria, Agostinelli, Elisabetta, Laureti, Sara
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container_end_page 22347
container_issue 40
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container_title ACS applied materials & interfaces
container_volume 7
creator Varvaro, Gaspare
Peddis, Davide
Barucca, Gianni
Mengucci, Paolo
Rodionova, Valeria
Chichay, Ksenia
Testa, Alberto Maria
Agostinelli, Elisabetta
Laureti, Sara
description The effect of the deposition temperature (T dep) 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 T dep = 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.
doi_str_mv 10.1021/acsami.5b06030
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title Highly Textured FeCo Thin Films Deposited by Low Temperature Pulsed Laser Deposition
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