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Article Dans Une Revue Applied Physics Letters Année : 2022

Impact of interfaces on magnetic properties of Gdx(Fe90Co10)1−x alloys

Jean-Loïs Bello
Daniel Lacour
Jaafar Ghanbaja
Stéphane Mangin
Michel Hehn
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Résumé

A 5 nm thick ferrimagnetic film made of amorphous rare-earth transition-metal alloys Gdx(Fe90Co10)1-x was grown by physical vapor deposition. Its magnetic properties (coercivity, perpendicular magnetic anisotropy, and compensation composition at room temperature) were investigated for various buffer and capping layers in contact with a ferrimagnetic thin film. While Gdx(Fe90Co10)1-x appears to be amorphous for all the samples, it appears that (111) textured Cu is the best material to promote perpendicular magnetization. The large compensation composition change as a function of the magnetic film interface at room temperature is analyzed in terms of polarizability of the surrounding buffer and capping materials.
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Dates et versions

hal-04244274 , version 1 (17-10-2023)

Identifiants

Citer

Jean-Loïs Bello, Daniel Lacour, Sylvie Migot, Jaafar Ghanbaja, Stéphane Mangin, et al.. Impact of interfaces on magnetic properties of Gdx(Fe90Co10)1−x alloys. Applied Physics Letters, 2022, 121 (21), pp.212402. ⟨10.1063/5.0125011⟩. ⟨hal-04244274⟩
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