Search Results - "Herrera Diez, L"

The nature of domain walls in ultrathin ferromagnets revealed by scanning nanomagnetometry by Tetienne, J.-P., Hingant, T., Martínez, L.J., Rohart, S., Thiaville, A., Diez, L. Herrera, Garcia, K, Adam, J.-P., Kim, J.-V., Roch, J.-F., Miron, I.M., Gaudin, G., Vila, L., Ocker, B., Ravelosona, D., Jacques, V.

“…The capacity to propagate magnetic domain walls with spin-polarized currents underpins several schemes for information storage and processing using spintronic…”
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Nanoscale imaging and control of domain-wall hopping with a nitrogen-vacancy center microscope by Tetienne, J.-P., Hingant, T., Kim, J.-V., Diez, L. Herrera, Adam, J.-P., Garcia, K., Roch, J.-F., Rohart, S., Thiaville, A., Ravelosona, D., Jacques, V.

“…The control of domain walls in magnetic wires underpins an emerging class of spintronic devices. Propagation of these walls in imperfect media requires defects…”
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Magneto-ionic and electrostatic gating of magnetism: Phenomena and devices by Herrera Diez, L., Chiba, D., Gilbert, D. A., Granville, S., Leistner, K.

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Enhancement of the Dzyaloshinskii-Moriya interaction and domain wall velocity through interface intermixing in Ta/CoFeB/MgO by Herrera Diez, L, Voto, M., Casiraghi, A., Belmeguenai, M., Roussigne, Y., Durin, G., Lamperti, A., Mantovan, R., Sluka, V., Jeudy, V., Liu, Y., Stashkevich, A., Chérif, S. M, Langer, J., Ocker, B., Lopez-Diaz, L., Ravelosona, D.

“…The interfacial Dzyaloshinskii-Moriya Interaction (DMI) plays a crucial role in chiral domain wall (DW) motion, favoring fast DW velocities. We explore the…”
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Magnetic domain wall curvature induced by wire edge pinning by Herrera Diez, L., Ummelen, F., Jeudy, V., Durin, G., Lopez-Diaz, L., Diaz-Pardo, R., Casiraghi, A., Agnus, G., Bouville, D., Langer, J., Ocker, B., Lavrijsen, R., Swagten, H. J. M., Ravelosona, D.

“…In this study, we report on the analysis of the magnetic domain wall (DW) curvature due to magnetic field induced motion in Ta/CoFeB/MgO and Pt/Co/Pt wires…”
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Low depinning fields in Ta-CoFeB-MgO ultrathin films with perpendicular magnetic anisotropy by Burrowes, C., Vernier, N., Adam, J.-P., Herrera Diez, L., Garcia, K., Barisic, I., Agnus, G., Eimer, S., Kim, Joo-Von, Devolder, T., Lamperti, A., Mantovan, R., Ockert, B., Fullerton, E. E, Ravelosona, D.

“…We have studied the domain-wall dynamics in Ta-CoFeB-MgO ultra-thin films with perpendicular magnetic anisotropy for various Co and Fe concentrations in both…”
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Controlling magnetic domain wall motion in the creep regime in He+-irradiated CoFeB/MgO films with perpendicular anisotropy by Herrera Diez, L., García-Sánchez, F., Adam, J.-P., Devolder, T., Eimer, S., El Hadri, M. S., Lamperti, A., Mantovan, R., Ocker, B., Ravelosona, D.

“…This study presents the effective tuning of perpendicular magnetic anisotropy in CoFeB/MgO thin films by He+ ion irradiation and its effect on domain wall…”
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Controlling interface anisotropy in CoFeB/MgO/HfO2 using dusting layers and magneto-ionic gating by Bhatnagar-Schöffmann, T., Kovàcs, A., Pachat, R., Ourdani, D., Lamperti, A., Syskaki, M.-A., da Câmara Santa Clara Gomes, T., Roussigné, Y., Ono, S., Langer, J., Cherif, M., Dunin-Borkowski, R. E., Schöffmann, P., Ravelosona, D., Belmeguenai, M., Solignac, A., Herrera Diez, L.

“…In this work, we present the magneto-ionic response to ionic liquid gating in Ta/CoFeB/MgO/HfO2 stacks, where heavy metal dusting layers of Ta, W, and Pt are…”
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Key points in the determination of the interfacial Dzyaloshinskii-Moriya interaction from asymmetric bubble domain expansion by Magni, A., Carlotti, G., Casiraghi, A., Darwin, E., Durin, G., Herrera Diez, L., Hickey, B. J., Huxtable, A., Hwang, C.Y., Jakob, G., Kim, C., Klaui, M., Langer, J., Marrows, C. H., Nembach, H. T., Ravelosona, D., Riley, G. A., Shaw, J. M., Sokalski, V., Tacchi, S., Kuepferling, M.

“…Different models have been used to evaluate the interfacial Dzyaloshinskii-Moriya interaction (DMI) from the asymmetric bubble expansion method using…”
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Ferroelectric control of magnetic domains in ultra-thin cobalt layers by Huang, Z., Stolichnov, I., Bernand-Mantel, A., Borrel, J., Auffret, S., Gaudin, G., Boulle, O., Pizzini, S., Ranno, L., Herrera Diez, L., Setter, N.

“…Non-volatile ferroelectric control of magnetic domains has been demonstrated in ultra-thin cobalt layers at room temperature. The sensitivity of magnetic…”
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Electric-field assisted depinning and nucleation of magnetic domain walls in FePt/Al2O3/liquid gate structures by Herrera Diez, L., Bernand-Mantel, A., Vila, L., Warin, P., Marty, A., Ono, S., Givord, D., Ranno, L.

“…We present a magneto-optical Kerr effect study of the magnetization reversal in a FePt/Al2O3 structure under electric (E) fields generated in a liquid…”
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Electric-field effect on coercivity distributions in FePt magneto-electric devices by Herrera Diez, L., Bernand-Mantel, A., Michele, O., Vila, L., Warin, P., Marty, A., Ranno, L., Givord, D.

“…We have investigated the contribution of stochastic thermally activated processes to the electric-field effects on coercivity in FePt. Coercive field…”
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Switching probability sub-distributions and asymmetric magnetization reversal in FePt nanostructures by Herrera Diez, L, Bernand-Mantel, A, Ranno, L, Givord, D, Vila, L, Warin, P, Marty, A

“…The coercive field statistics in FePt nanostructures reveals the existence of multiple switching probability sub-distributions that can be asymmetric with…”
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Electric-field control of domain wall nucleation and pinning in a metallic ferromagnet by Bernand-Mantel, A., Herrera-Diez, L., Ranno, L., Pizzini, S., Vogel, J., Givord, D., Auffret, S., Boulle, O., Miron, I. M., Gaudin, G.

“…The electric (E)-field control of magnetic properties opens the prospects of an alternative to magnetic field or electric current activation to control…”
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Magnetism and carrier modulation in (Ga,Mn)As/organic-dye hybrid devices by Herrera Diez, L., Konuma, M., Placidi, E., Arciprete, F., Rushforth, A. W., Campion, R. P., Gallagher, B. L., Honolka, J., Kern, K.

“…We present the manipulation of magnetic and electrical properties of (Ga,Mn)As via the adsorption of dye-molecules as a step toward the realization of…”
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Magnetic aftereffect in compressively strained GaMnAs studied using Kerr microscopy by Herrera Diez, L., Honolka, J., Kern, K., Kronmüller, H., Placidi, E., Arciprete, F., Rushforth, A. W., Campion, R. P., Gallagher, B. L.

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Temperature-dependent Néel wall dynamics in GaMnAs/GaAs by Honolka, J, Herrera Diez, L, Kremer, R K, Kern, K, Placidi, E, Arciprete, F

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Low Power In-Memory Implementation of Ternary Neural Networks with Resistive RAM-Based Synapse by Laborieux, A., Bocquet, M., Hirtzlin, T., Klein, J.-O., Diez, L. Herrera, Nowak, E., Vianello, E., Portal, J.-M., Querlioz, D.

“…The design of systems implementing low precision neural networks with emerging memories such as resistive random access memory (RRAM) is a major lead for…”
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Key points in the determination of the interfacial Dzyaloshinskii-Moriya interaction from asymmetric bubble domain expansion by Magni, A, Carlotti, G, Casiraghi, A, Darwin, E, Durin, G, Diez, L. Herrera, Hickey, B. J, Huxtable, A, Hwang, C. Y, Jakob, G, Kim, C, Kläui, M, Langer, J, Marrows, C. H, Nembach, H. T, Ravelosona, D, Riley, G. A, Shaw, J. M, Sokalski, V, Tacchi, S, Kuepferling, M

“…Different models have been used to evaluate the interfacial Dzyaloshinskii-Moriya interaction (DMI) from the asymmetric bubble expansion method using…”
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Multiple magneto-ionic regimes in Ta/Co$_{20}$Fe$_{60}$B$_{20}$/HfO$_{2} by Pachat, R, Ourdani, D, van der Jagt, J. W, Syskaki, M. -A, Di Pietro, A, Roussigné, Y, Ono, S, Gabor, M. S, Chérif, M, Durin, G, Langer, J, Belmeguenai, M, Ravelosona, D, Diez, L. Herrera

“…Phys. Rev. Applied 15, 064055 (2021) In Ta/CoFeB/HfO2 stacks a gate voltage drives, in a nonvolatile way, the system from an underoxidized state exhibiting…”
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