Pablo Borys

Pablo Borys
Universidad Nacional Autónoma de México | UNAM · Institute of Applied Sciences and Technology

BSc, MSc, PhD

About

12
Publications
1,973
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309
Citations
Citations since 2016
7 Research Items
291 Citations
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060
20162017201820192020202120220102030405060

Publications

Publications (12)
Article
Full-text available
We demonstrate using micromagnetic simulations and a theoretical model that a gradient in the saturation magnetization (M s) of a perpendicularly magnetized ferromagnetic film induces a nonreciprocal spin-wave propagation and, consequently, an asymmetric dispersion relation. The M s gradient adds a linear potential to the spin-wave equation of moti...
Preprint
Full-text available
We demonstrate using micromagnetic simulations and a theoretical model that a gradient in the saturation magnetization ($M_s$) of a perpendicularly magnetized ferromagnetic film induces a non-reciprocal spin wave propagation and, consequently an asymmetric dispersion relation. The $M_s$ gradient adds a linear potential to the spin wave equation of...
Article
Full-text available
Methods for detecting spin waves rely on electrodynamical coupling between the spin wave dipolar field and an inductive probe. While this coupling is usually treated as constant, in this work, we experimentally and theoretically show that it is indeed temperature dependent. By measuring the spin wave magnetic field as a function of temperature of,...
Preprint
Full-text available
We investigate the reflection coefficient of spin waves propagating in an ultra-thin ferromagnetic film with regions where saturation magnetization is modulated. We find analytically and using micromagnetic simulations that there are transmission resonances that depend on the width of the regions and on the energy of excitation. Our results resembl...
Preprint
Full-text available
Methods for detecting spin waves rely on electrodynamical coupling between the spin wave dipolar field and an inductive probe. While this coupling is usually treated as constant, in this work, we experimentally and theoretically show that it is indeed temperature dependent. By measuring the spin wave magnetic field as a function of temperature of,...
Article
A theory for the spin wave eigenmodes of a Dzyaloshinskii domain wall is presented. These walls are N\'eel-type domain walls that can appear in perpendicularly-magnetized ultrathin ferromagnets in the presence of a sizeable Dzyaloshinskii-Moriya interaction. The mode frequencies for spin waves propagating parallel and perpendicular to the domain wa...
Article
Full-text available
The channeling of spin waves with domain walls in ultrathin ferromagnetic films is demonstrated theoretically and through micromagnetics simulations. It is shown that propagating excitations localized to the wall, which appear in the frequency gap of bulk spin wave modes, can be guided in curved geometries and propagate in close proximity to other...
Article
Full-text available
Ultrathin metallic ferromagnets on substrates with strong spin-orbit coupling can exhibit induced chiral interactions of the Dzyaloshinskii-Moriya (DM) form. For systems with perpendicular anisotropy, the presence of DM interactions has important consequences for current-driven domain-wall motion and underpins possible spintronic applications invol...
Article
Full-text available
We performed DFT calculations on Au + C-60 complex by varying the functional (eight GGA and two LDA functionals incorporated into DMol3 module of the Materials Studio package) and core treatment (all-electron, AE; all-electron relativistic, AER; effective core potentials, ECP; and DFT semi-core pseudopotentials, DSPP), in conjunction with the doubl...

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