Search Results - "Otxoa, R. M"

Electrically induced and detected Néel vector reversal in a collinear antiferromagnet by Godinho, J., Reichlová, H., Kriegner, D., Novák, V., Olejník, K., Kašpar, Z., Šobáň, Z., Wadley, P., Campion, R. P., Otxoa, R. M., Roy, P. E., Železný, J., Jungwirth, T., Wunderlich, J.

“…Antiferromagnets are enriching spintronics research by many favorable properties that include insensitivity to magnetic fields, neuromorphic memory…”
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Optical spin-transfer-torque-driven domain-wall motion in a ferromagnetic semiconductor by Ramsay, A J, Roy, P E, Haigh, J A, Otxoa, R M, Irvine, A C, Janda, T, Campion, R P, Gallagher, B L, Wunderlich, J

“…We demonstrate optical manipulation of the position of a domain wall in a dilute magnetic semiconductor, GaMnAsP. Two main contributions are identified. First,…”
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Inertial displacement of a domain wall excited by ultra-short circularly polarized laser pulses by Janda, T., Roy, P. E., Otxoa, R. M., Šobáň, Z., Ramsay, A., Irvine, A. C., Trojanek, F., Surýnek, M., Campion, R. P., Gallagher, B. L., Němec, P., Jungwirth, T., Wunderlich, J.

“…Domain wall motion driven by ultra-short laser pulses is a pre-requisite for envisaged low-power spintronics combining storage of information in…”
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Electrical properties of magnetic nanocontact devices computed using finite-element simulations by Petit-Watelot, S., Otxoa, R. M., Manfrini, M.

“…We compute the electrical current flow and associated Oersted fields in magnetic nanocontact (NC) systems with finite-element simulations. Underneath the…”
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Nanocontact size dependence of the properties of vortex-based spin torque oscillators by Otxoa, R. M., Manfrini, M., Devolder, T., Kim, J.-V., van Roy, W., Lagae, L., Chappert, C.

“…We study the frequency, linewidth, and power of spin torque driven vortex oscillators, based on a nanocontacted spin‐valve (SV). The oscillation frequency…”
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Giant localised spin-Peltier effect due to ultrafast domain wall motion in antiferromagnetic metals by Otxoa, R. M., Atxitia, U., Roy, P. E., Chubykalo-Fesenko, O.

“…Spin thermo-electric phenomena have attracted wide attention recently, e.g., the spin Peltier effect—heat generation by magnonic spin currents. Here, we find…”
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Dynamical influence of vortex–antivortex pairs in magnetic vortex oscillators by Otxoa, R.M., Petit-Watelot, S., Manfrini, M., Radu, I.P., Thean, A., Kim, Joo-Von, Devolder, T.

“…We study the magnetization dynamics in a nanocontact magnetic vortex oscillators as function of temperature. Low temperature experiments reveal that the…”
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Topologically-mediated energy release by relativistic antiferromagnetic solitons by Otxoa, R. M., Rama-Eiroa, R., Roy, P. E., Tatara, G., Chubykalo-Fesenko, O., Atxitia, U.

“…Magnetic solitons offer functionalities as information carriers in multiple spintronic and magnonic applications. However, their potential for nanoscale energy…”
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Understanding nanoscale temperature gradients in magnetic nanocontacts by Petit-Watelot, S, Otxoa, R M, Manfrini, M, Van Roy, W, Lagae, L, Kim, J-V, Devolder, T

“…We have determined the temperature profile in magnetic nanocontacts under applied current densities typical of spin-torque oscillators (∼10(8)  A/cm2). The…”
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Temperature-dependent critical spin-orbit field for orthogonal switching in antiferromagnets by Rama-Eiroa, R, Otxoa, R. M, Atxitia, U

“…The discovery of current-induced spin-orbit torque (SOT) orthogonal reorientation, also known as orthogonal switching, of metallic Mn$_2$Au and CuMnAs has…”
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Temperature-dependent critical spin-orbit field for orthogonal switching in antiferromagnets by Rama-Eiroa, R., Otxoa, R. M., Atxitia, U.

“…The discovery of current-induced spin–orbit torque (SOT) orthogonal reorientation, also known as orthogonal switching, of metallic Mn2Au and CuMnAs has opened…”
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Lattice structure dependence of laser-induced ultrafast magnetization switching in ferrimagnets by Vélez, J. A., Otxoa, R. M., Atxitia, U.

“…The experimental discovery of single-pulse ultrafast magnetization switching in ferrimagnetic alloys, such as GdFeCo and MnRuGa, opened the door to a promising…”
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Topological energy release from collision of relativistic antiferromagnetic solitons by Otxoa, R. M, Rama-Eiroa, R, Roy, P. E, Tatara, G, Chubykalo-Fesenko, O, Atxitia, U

“…Magnetic solitons offer functionalities as information carriers in multiple spintronic and magnonic applications. However, their potential for nanoscale energy…”
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Inertial domain wall characterization in layered multisublattice antiferromagnets by Rama-Eiroa, R, Roy, P. E, González, J. M, Guslienko, K. Y, Wunderlich, J, Otxoa, R. M

“…The motion of a N\'eel-like ${180}^{\circ}$ domain wall induced by a time-dependent staggered spin-orbit field in the layered collinear antiferromagnet…”
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Small-signal equivalent circuit for double quantum dots at low-frequencies by Esterli, M., Otxoa, R. M., Gonzalez-Zalba, M. F.

“…Due to the quantum nature of current flow in single-electron devices, new physical phenomena can manifest when probed at finite frequencies. Here, we present a…”
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Small-signal equivalent circuit for double quantum dots at low-frequencies by Esterli, M, Otxoa, R. M, Gonzalez-Zalba, M. F

“…Due to the quantum nature of current flow in single-electron devices, new physical phenomena can manifest when probed at finite frequencies. Here, we present a…”
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Inertial domain wall characterization in layered multisublattice antiferromagnets by Rama-Eiroa, R., Roy, P.E., González, J.M., Guslienko, K.Y., Wunderlich, J., Otxoa, R.M.

“…The motion of a Néel-like 180∘ domain wall induced by a time-dependent staggered spin–orbit field in the layered collinear antiferromagnet Mn2Au is explored…”
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Robust Picosecond writing of a Layered Antiferromagnet by Staggered Spin-Orbit-Fields by Roy, P. E, Otxoa, R. M, Wunderlich, J

“…Phys. Rev. B 94, 014439 (2016) Ultrafast electrical switching by current-induced staggered spin-orbit fields, with minimal risk of overshoot, is shown in…”
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Quantum and Tunnelling Capacitance in Charge and Spin Qubits by Mizuta, R, Otxoa, R. M, Betz, A. C, Gonzalez-Zalba, M. F

“…Phys. Rev. B 95, 045414 (2017) We present a theoretical analysis of the capacitance of a double quantum dot in the charge and spin qubit configurations probed…”
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Complexity measurements for the thermal convection in a viscoelastic fluid saturated porous medium by Pérez, L.M., Vélez, J.A., Mahmud, M.N., Corona, R.M., Castillo-Sepúlveda, S., Pedraja-Rejas, L., Otxoa, R.M., Mancini, H.L., Laroze, D.

“…Measuring complexity statistical indicators is a key method to analyze and characterize dynamical systems. In this work, we perform a comparative analysis…”
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