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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Belashchenko, Kirill D.
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Topics
Publications (6/6 displayed)
- 2024On the origin of magnetic anisotropy in 4f -free ferromagnets based on the CaCu5 structurecitations
- 2020Ultrafast spin-currents and charge conversion at 3d-5d interfaces probed by time-domain terahertz spectroscopycitations
- 2013Effects of alloying and strain on the magnetic properties of Fe 16 N 2citations
- 2013Effects of alloying and strain on the magnetic properties of Fe 16N2citations
- 2007Tunneling anisotropic magnetoresistance driven by resonant surface states: First-principles calculations on an Fe(001) surfacecitations
- 2007Tunneling anisotropic magnetoresistance driven by resonant surface states: First-principles calculations on an Fe(001) surfacecitations
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article
On the origin of magnetic anisotropy in 4f -free ferromagnets based on the CaCu5 structure
Abstract
<jats:title>Abstract</jats:title><jats:p>Using first-principles calculations, we investigate the origin of magnetocrystalline anisotropy in a series of&#xD;4f -electron-free intermetallics with CaCu5-based structures: YCo5, YCo4B, and Y3Co13B2. The electronic&#xD;structure of these compounds is characterized by a set of narrow 3d-bands near the Fermi level. In YCo5&#xD;the easy-axis anisotropy originates primarily in the spin-orbit coupling-induced mixing of the electronic states&#xD;with Co dx2−y2 and dxy character. The analysis of k-resolved anisotropy shows that positive contributions&#xD;accumulate from the entire Brillouin zone but are particularly large near the kz = 0 plane.&#xD;The analysis of the single-site and two-site terms reveals a large positive single-site contribution to the mag-&#xD;netocrystalline anisotropy from the Co atoms on the honeycomb sublattice, along with two-site contributions&#xD;from both honeycomb and kagome sublattices.</jats:p>