Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Guimarães, Filipe S. M."'
Autor:
Noei, Neda, Mozara, Roberto, Montero, Ana M., Brinker, Sascha, Ide, Niklas, Guimarães, Filipe S. M., Lichtenstein, Alexander I., Berndt, Richard, Lounis, Samir, Weismann, Alexander
The zero-bias anomaly in conductance spectra of single Co atoms on Cu(111) observed at $\approx$ 4 K, which has been interpreted as being due to a Kondo resonance, is strongly modified when the Co atoms are attached to monatomic Cu chains. Scanning t
Externí odkaz:
http://arxiv.org/abs/2303.03317
Autor:
Cysne, Tarik P., Guimarães, Filipe S. M., Canonico, Luis M., Costa, Marcio, Rappoport, Tatiana G., Muniz, R. B.
Publikováno v:
Phys. Rev. B 107, 115402 (2023)
The orbital magnetoelectric effect (OME) generically refers to the appearance of an orbital magnetization induced by an applied electric field. Here, we show that nanoribbons of transition metal dichalcogenides (TMDs) with zigzag (ZZ) edges may exhib
Externí odkaz:
http://arxiv.org/abs/2209.09087
Autor:
Cysne, Tarik P., Guimarães, Filipe S. M., Canonico, Luis M., Rappoport, Tatiana G., Muniz, R. B.
Publikováno v:
Phys. Rev. B 104, 165403 (2021)
Profiles of the spin and orbital angular momentum accumulations induced by a longitudinally applied electric field are explored in nanoribbons of $p$-band systems with a honeycomb lattice. We show that nanoribbons with zigzag borders can exhibit orbi
Externí odkaz:
http://arxiv.org/abs/2101.05049
Molecular spintronics hinges on the detailed understanding of electronic and magnetic properties of molecules interfaced with various materials. Here we demonstrate with ab-initio simulations that the prototypical Co-phthalocyanine (CoPc) molecule ca
Externí odkaz:
http://arxiv.org/abs/2012.14972
Publikováno v:
Phys. Rev. Research 2, 043357 (2020)
Quantum fluctuations are ubiquitous in physics. Ranging from conventional examples like the harmonic oscillator to intricate theories on the origin of the universe, they alter virtually all aspects of matter -- including superconductivity, phase tran
Externí odkaz:
http://arxiv.org/abs/2005.11206
Publikováno v:
Commun Phys 3, 19 (2020)
Terahertz spintronics offers the prospect of devices which are both faster and more energy-efficient. A promising route to achieve this goal is to exploit current-induced spin-orbit torques. However, the high-frequency properties of these quantities
Externí odkaz:
http://arxiv.org/abs/1906.11314
Autor:
Guimarães, Filipe S. M., Suckert, J. R., Chico, Jonathan, Bouaziz, Juba, Dias, Manuel dos Santos, Lounis, Samir
Publikováno v:
J. Phys.: Condens. Matter 31, 255802 (2019)
Relaxation effects are of primary importance in the description of magnetic excitations, leading to a myriad of methods addressing the phenomenological damping parameters. In this work, we consider several well-established forms of calculating the in
Externí odkaz:
http://arxiv.org/abs/1807.11808
Publikováno v:
Phys. Rev. B 96, 144401 (2017)
We investigate the dynamics of Fe adatoms and dimers deposited on the Cu(111) metallic surface in the presence of spin-orbit coupling, within time-dependent density functional theory. The \textit{ab initio} results provide material-dependent paramete
Externí odkaz:
http://arxiv.org/abs/1707.06087
Autor:
Guimarães, Filipe S. M., Dias, Manuel dos Santos, Bouaziz, Juba, Costa, Antonio T., Muniz, Roberto B., Lounis, Samir
Publikováno v:
Sci. Rep. 7, 3686 (2017)
Spin-orbit-related effects offer a highly promising route for reading and writing information in magnetic units of future devices. These phenomena rely not only on the static magnetization orientation but also on its dynamics to achieve fast switchin
Externí odkaz:
http://arxiv.org/abs/1703.04493
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