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Article Dans Une Revue Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms Année : 2013

Magnetic properties changes of MnAs thin films irradiated with highly charged ions

Résumé

We present the first investigation on the effect of highly charged ion bombardment on a manganese arsenide thin film. The MnAs films, 150~nm thick, are irradiated with 90 keV Ne$^{9+}$ ions with a dose varying from $1.6\times10^{12}$ to $1.6\times10^{15}$~ions/cm$^2$. The structural and magnetic properties of the film after irradiation are investigated using different techniques, namely, X-ray diffraction, magneto-optic Kerr effect and magnetic force microscope. Preliminary results are presented. From the study of the lattice spacing, we measure a change on the film structure that depends on the received dose, similarly to previous studies with other materials. Investigations on the surface show a strong modification of its magnetic properties.
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hal-00764943 , version 1 (13-12-2012)

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Martino Trassinelli, V. Gafton, Mahmoud Eddrief, Victor H. Etgens, S. Hidki, et al.. Magnetic properties changes of MnAs thin films irradiated with highly charged ions. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2013, 317, pp.154-158. ⟨10.1016/j.nimb.2013.04.025⟩. ⟨hal-00764943⟩
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