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Título: | Layer-dependence of macroscopic and atomic magnetic correlations in Co/Pd multilayers |
Autor: | Soriano, N.; Mora, B.; Rollano, Víctor; Gargiani, Pierluigi; Quirós, Carlos CSIC ORCID; Gálvez, Fernando; Redondo, Carolina CSIC; Valle, J. del; Montoya, I.; Gómez, Alicia; González, Elvira M.; Navarro, E.; Vélez, María CSIC ORCID; Alameda, J. M. CSIC; Valvidares, S. M.; Vicent, J. L.; Morales, Rafael CSIC ORCID | Fecha de publicación: | 2020 | Editor: | American Institute of Physics | Citación: | AIP Advances 10(6): 065321 (2020) | Resumen: | The development of multilayered materials with engineered magnetic properties compels a deep knowledge of physical properties at the atomic scale. The magnetic anisotropy is a key property in these materials. This work accounts for the magnetic anisotropy energy and its correlation with atomic properties of Co/Pd multilayers with the number of Co/Pd repetitions. Magnetometry measurements confirm stronger perpendicular magnetic anisotropy energies as the number of repetitions increases up to 40. However, the intrinsic anisotropy, related to the Co–Pd orbital hybridization and spin–orbit coupling, saturates at 15 repetitions. This finding is supported by x-ray magnetic circular dichroism analysis that reveals a direct correlation of the atomic Co and Pd orbital magnetic moments and the effective anisotropy of the system. The proximity effect that accounts for the Pd induced magnetization, along with the increasing Co moment, provides a suitable mechanism for the observed anisotropy energy layer dependence. | Versión del editor: | https://doi.org/10.1063/5.0010066 | URI: | http://hdl.handle.net/10261/219238 | DOI: | 10.1063/5.0010066 | E-ISSN: | 2158-3226 |
Aparece en las colecciones: | (CINN) Artículos |
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layermultilayer.pdf | 2,04 MB | Adobe PDF | Visualizar/Abrir |
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