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pro vyhledávání: '"Dias, Manuel dos Santos"'
Designing systems with large magnetic anisotropy energy (MAE) is desirable and critical for nanoscale magnetic devices. A recent breakthrough achieved the theoretical limit of the MAE for 3$d$ transition metal atoms by placing a single Co atom on a M
Externí odkaz:
http://arxiv.org/abs/2403.05432
The kagome lattice is an exciting solid state physics platform for the emergence of nontrivial quantum states driven by electronic correlations: topological effects, unconventional superconductivity, charge and spin density waves, and unusual magneti
Externí odkaz:
http://arxiv.org/abs/2401.00516
The field of orbitronics has emerged with great potential to impact information technology by enabling environmentally friendly electronic devices. The main electronic degree of freedom at play is the orbital angular momentum, which can give rise to
Externí odkaz:
http://arxiv.org/abs/2312.07888
The emergence of topological magnetism in two-dimensional (2D) van der Waals (vdW) magnetic materials promoted 2D heterostructures as key building-blocks of devices for information technology based on topological concepts. Here, we demonstrate the al
Externí odkaz:
http://arxiv.org/abs/2311.01294
The discovery of two-dimensional (2D) van der Waals magnetic materials and their heterostructures provided an exciting platform for emerging phenomena with intriguing implications in information technology. Here, based on a multiscale modelling appro
Externí odkaz:
http://arxiv.org/abs/2306.00448
Autor:
Garai-Marin, Haritz, Dias, Manuel dos Santos, Lounis, Samir, Ibañez-Azpiroz, Julen, Eiguren, Asier
Understanding the spin-relaxation mechanism of single adatoms is an essential step towards creating atomic magnetic memory bits or even qubits. Here we present an essentially parameter-free theory by combining \textit{ab-initio} electronic and vibrat
Externí odkaz:
http://arxiv.org/abs/2212.09653
The discovery of two-dimensional (2D) van der Waals magnets opened unprecedented opportunities for the fundamental exploration of magnetism in quantum materials and the realization of next generation spintronic devices. Here, based on a multiscale mo
Externí odkaz:
http://arxiv.org/abs/2207.01926
We propose a systematic and sequential expansion of the Landau-Lifshitz-Gilbert equation utilizing the dependence of the Gilbert damping tensor on the angle between magnetic moments, which arises from multi-body scattering processes. The tensor consi
Externí odkaz:
http://arxiv.org/abs/2202.06154
Individual nuclear spin states can have very long lifetimes and could be useful as qubits. Progress in this direction was achieved on MgO/Ag(001) via detection of the hyperfine interaction (HFI) of Fe, Ti and Cu adatoms using scanning tunneling micro
Externí odkaz:
http://arxiv.org/abs/2202.00336
Autor:
Dias, Manuel dos Santos, Brinker, Sascha, Lászlóffy, András, Nyári, Bendegúz, Blügel, Stefan, Szunyogh, László, Lounis, Samir
Publikováno v:
Phys. Rev. B 105, 026402 (2022)
In our previous Letter [Phys. Rev. B 103, L140408 (2021)], we presented a discussion of the fundamental physical properties of the interactions parameterizing atomistic spin models in connection to first-principles approaches that enable their calcul
Externí odkaz:
http://arxiv.org/abs/2201.05004