Výsledky vyhledávání - "Luis Lopez-Diaz"

Akademický článek

Pinned domain wall oscillator as a tuneable direct current spin wave emitter

Autor: Michele Voto, Luis Lopez-Diaz, Eduardo Martinez

Publikováno v: Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)

Abstract Local perturbations in the relative orientation of the magnetic moments in a continuous magnetic system can propagate in the form of waves. These so-called spin waves represent a promising candidate as an information carrier for spin-based l

Externí odkaz: https://doaj.org/article/6b1cc8bc169e4059a9655d17e57c709f

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Akademický článek

The influence of the spin-orbit torques on the current-driven domain wall motion

Autor: Eduardo Martinez, Giovanni Finocchio, Luis Torres, Luis Lopez-Diaz

Publikováno v: AIP Advances, Vol 3, Iss 7, Pp 072109-072109 (2013)

The current-induced domain wall motion along a ferromagnetic strip with high perpendicular magnetocristalline anisotropy sandwiched in an multilayer stack is theoretically studied, by means of micromagnetic simulations and the one-dimensional model,

Externí odkaz: https://doaj.org/article/90c56c9b10324ac88bb51a47c1140c4e

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Revealing Nanoscale Disorder in W / Co - Fe - B / MgO Ultrathin Films Using Domain-Wall Motion

Autor: Johannes W. van der Jagt, Vincent Jeudy, André Thiaville, Mamour Sall, Nicolas Vernier, Liza Herrera Diez, Mohamed Belmeguenai, Yves Roussigné, Salim M. Chérif, Mouad Fattouhi, Luis Lopez-Diaz, Alessio Lamperti, Roméo Juge, Dafiné Ravelosona

Publikováno v: Physical Review Applied. 18

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6da1ff63584ba40f6e54779b19389e2e
https://doi.org/10.1103/physrevapplied.18.054072

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Absence of Walker Breakdown in the Dynamics of Chiral Néel Domain Walls Driven by In-Plane Strain Gradients

Autor: Mouad Fattouhi, Felipe Garcia-Sanchez, Rocio Yanes, Victor Raposo, Eduardo Martinez, Luis Lopez-Diaz

Publikováno v: Physical Review Applied. 18

We investigate theoretically the motion of chiral N\'eel domain walls in perpendicularly magnetized systems driven by in-plane strain gradients. We show that such strain drives domain walls efficiently towards increasing tensile (compressive) strain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d0b69b3e51e7db27406a7bc51772efc
https://doi.org/10.1103/physrevapplied.18.044023

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Strain-controlled domain wall injection into nanowires for sensor applications

Autor: Maria-Andromachi Syskaki, Giovanni Masciocchi, Mathias Kläui, Andreas Kehlberger, Luis Lopez-Diaz, Mouad Fattouhi

We investigate experimentally the effects of externally applied strain on the injection of 180$^\circ$ domain walls (DW) from a nucleation pad into magnetic nanowires, as typically used for DW-based sensors. In our study the strain, generated by subs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::616b5d93724a00c7c0fbff33eab64f03
https://zenodo.org/record/5702059

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Electric Field Control of the Skyrmion Hall Effect in Piezoelectric-Magnetic Devices

Autor: Victor Raposo, Eduardo Martínez, Luis Lopez-Diaz, Mouad Fattouhi, Felipe Garcia-Sanchez, Rocio Yanes

Publikováno v: GREDOS. Repositorio Institucional de la Universidad de Salamanca
instname
Physical Review Applied

[EN] Relying on both electromechanical and micromagnetic simulations, we propose a method to control the trajectory of current-driven skyrmions using an electric field in hybrid piezoelectric-magnetic systems. By applying a voltage between two latera

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd48253c1771f4b49b5bbb923dd30a7a
http://hdl.handle.net/10366/147447

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Magnetic domain wall curvature induced by wire edge pinning

Autor: L. Herrera Diez, Henk J. M. Swagten, Luis Lopez-Diaz, Berthold Ocker, Jürgen Langer, Dafiné Ravelosona, FC Fanny Ummelen, D. Bouville, Rebeca Díaz-Pardo, Reinoud Lavrijsen, Gianfranco Durin, Guillaume Agnus, Arianna Casiraghi, Vincent Jeudy

Publikováno v: Applied Physics Letters
Applied Physics Letters, American Institute of Physics, 2020, 117 (6), pp.062406. ⟨10.1063/5.0010798⟩
Applied Physics Letters, American Institute of Physics, 2020, 117 (6), ⟨10.1063/5.0010798⟩
Applied Physics Letters, 117(6):062406. American Institute of Physics

International audience; In this study we report on the analysis of magnetic domain wall (DW) curvature due to magnetic field induced motion in Ta/CoFeB/MgO and Pt/Co/Pt wires with perpendicular magnetic anisotropy. In wires of 20µm and 25µm a large

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4506b0ddeda4ecfbd7dbdbe81e18fa3
https://hal.archives-ouvertes.fr/hal-03096200

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Magnetic field control of antiferromagnetic domain walls in a thermal gradient

Autor: M. Rodriguez Rosa, Luis Lopez-Diaz, Rocio Yanes

An antiferromagnetic domain wall in a thermal gradient is found to experience a force towards colder regions upon the application of a uniform magnetic field along the easy axis. This force increases with the strength of the applied field and, for su

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8740dc63c4ecc5cf9b934482cb4560ad
http://arxiv.org/abs/2008.00533

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Opportunities and challenges for spintronics in the microelectronics industry

Publikováno v: Nature Electronics 3(2020)8, 446-459
Nature Electronics
Nature Electronics, Springer Nature, 2020, 3, pp.446. ⟨10.1038/s41928-020-0461-5⟩
Digital.CSIC. Repositorio Institucional del CSIC
instname
Nature Electronics, 2020, 3, pp.446. ⟨10.1038/s41928-020-0461-5⟩

et al.
Spintronic devices exploit the spin, as well as the charge, of electrons and could bring new capabilities to the microelectronics industry. However, in order for spintronic devices to meet the ever-increasing demands of the industry, inno

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3a382768a4ea3c166f9161643ba3ac4c
http://hdl.handle.net/11570/3180760

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Enhancement of the Dzyaloshinskii-Moriya interaction and domain wall velocity through interface intermixing in Ta/CoFeB/MgO

Autor: Dafiné Ravelosona, Y. Liu, Vincent Jeudy, Yves Roussigné, Alessio Lamperti, Michele Voto, Andrey Stashkevich, Luis Lopez-Diaz, Gianfranco Durin, Jürgen Langer, Berthold Ocker, Volker Sluka, Mohamed Belmeguenai, Arianna Casiraghi, L. Herrera Diez, S. M. Chérif, R. Mantovan

Publikováno v: Physical Review B: Condensed Matter and Materials Physics (1998-2015)
Physical Review B: Condensed Matter and Materials Physics (1998-2015), American Physical Society, 2019, 99 (5), ⟨10.1103/PhysRevB.99.054431⟩
Physical Review B 99 (2019). doi:10.1103/PhysRevB.99.054431
info:cnr-pdr/source/autori:Diez, L. Herrera; Voto, M.; Casiraghi, A.; Belmeguenai, M.; Roussigne, Y.; Durin, G.; Lamperti, A.; Mantovan, R.; Sluka, V; Jeudy, V; Liu, Y. T.; Stashkevich, A.; Cherif, S. M.; Langer, J.; Ocker, B.; Lopez-Diaz, L.; Ravelosona, D./titolo:Enhancement of the Dzyaloshinskii-Moriya interaction and domain wall velocity through interface intermixing in Ta%2FCoFeB%2FMgO/doi:10.1103%2FPhysRevB.99.054431/rivista:Physical Review B/anno:2019/pagina_da:/pagina_a:/intervallo_pagine:/volume:99

International audience; The interfacial Dzyaloshinskii-Moriya Interaction (DMI) plays a crucial role in chiral domain wall (DW) motion, favoring fast DW velocities. We explore the effect of interface disorder on DMI and DW dynamics in perpendicular m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::15eb4c43e283cd33a5badd1f199bb7ef
https://hal.archives-ouvertes.fr/hal-02331239/document

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