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Título
Magnetism and exchange-bias effect at the MnN/Fe interface.
Autor(es)
Materia
Spin dynamics simulations
Magnetic properties
MnN
Antiferromagnetic layers
MnN/Fe interface
Clasificación UNESCO
22 Física
Fecha de publicación
2018
Editor
American Physical Society
Citación
Simón, E., Yanes, R., Khmelevskyi, S., Palotas, K., Szunyogh, L., & Nowak, U. (2018). Magnetism and exchange-bias effect at the MnN/Fe interface. Physical Review B, 98(9), 094415. https://doi.org/10.1103/PhysRevB.98.094415
Resumen
[EN]Based on ab initio calculations and spin dynamics simulations, we perform a detailed study on the magnetic properties of bulk MnN and the MnN/Fe interface. We determine the spin model parameters for the θ-phase of bulk MnN, and we find that the competition between the nearest and the next-nearest-neighbor interactions leads to antiferromagnetic ordering of the Mn spins, in agreement with previous theoretical and experimental results. At the MnN/Fe interface, a sizable Dzyaloshinskii-Moriya interaction appears leading to a stable exchange-bias effect. We study the dependences of the exchange-bias effect on the thicknesses of the ferromagnetic and the antiferromagnetic layers, and we compare them to experimentally obtained results [Meinert, Phys. Rev. B 92, 144408 (2015)PRBMDO1098-012110.1103/PhysRevB.92.144408]
URI
ISSN
2469-9950
Versión del editor
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