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Effect of Chemical Composition on Volume and Surface Magnon Creation in Multilayer CoxPt1−x/Pt

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Abstract

The existence of two types of magnon populations created in volume and in the surfaces of the CoxPt1−x/Pt multilayer was demonstrated. A band structure of these magnons was evidenced by the shape of the calculated excitation spectra. Two bands of energy allowed for a creation of these magnetic excitations are obtained. “Creation gaps” and associated lifetimes are also calculated. The comparison of the calculated relaxation times with experimental results is more than satisfactory.

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Authors and Affiliations

  1. LPMC, Department of Physics, Faculty of Sciences-UIT, Kenitra, Morocco

    Ahmed Qachaou, Mohamed Mehdioui, Nadia Ait Labyad, Atika Fahmi & Mohamed Lharch

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  1. Ahmed Qachaou
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  2. Mohamed Mehdioui
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  3. Nadia Ait Labyad
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  4. Atika Fahmi
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  5. Mohamed Lharch
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Correspondence to Ahmed Qachaou.

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Qachaou, A., Mehdioui, M., Labyad, N.A. et al. Effect of Chemical Composition on Volume and Surface Magnon Creation in Multilayer CoxPt1−x/Pt. J Supercond Nov Magn 32, 667–676 (2019). https://doi.org/10.1007/s10948-018-4748-y

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  • DOI: https://doi.org/10.1007/s10948-018-4748-y

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