R. P. del Real

Domain Wall Rebounds Driven by Competing Entropic and Spin‐Transfer Torques in Cylindrical Nanowires

Elías Saugar, Jorge Marqués‐Marchán, Sara Catalano, A. Asenjo et autres

ABSTRACT Controlling domain walls in cylindrical geometries through energy‐efficient spintronic methods is a key challenge for advancing future three dimmensional (3D) nanotechnologies. Here we used the X‐ray Magnetic Circular Dichroism combined with Photoemission Electron Microscopy (XMCD‐PEEM) technique to investigate domain wall dynamics …

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Bimagnetic core/shell microwires with asymmetric external shell

Valeria Kolesnikova, Irina Baraban, Kirill Sobolev, R. P. del Real et autres

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Mechanochemically assisted synthesis, inversion degree and magnetization of spinel compounds across the (Zn,Mg)Fe2O4 system for flexible smart devices

Cristina Pascual-González, Harvey Amorín, R. P. del Real, Federico Serrano‐Sánchez et autres

Magnetic spinel oxides are multifunctional materials used or under consideration for a range of applications across electronics, communication technologies, remediation and health. They can also present high magnetostriction coefficients, and are being investigated as active inorganic fillers in polymer matrix composites for …

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Polymer assisted deposition of YIG thin films with thickness control for spintronics applications

Rubén Corcuera, Pilar Jiménez-Cavero, R. P. del Real, F. Rivadulla et autres

The use of magnetic garnets in new technologies such as spintronic devices requires fine-structured thin films. Classical fabrication techniques for these materials, typically physical vapor deposition methods, lead to excellent magnetic behavior. However, availability and scalability for potential applications are well restricted. …

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Mechanochemically Assisted Synthesis, Inversion Degree and Magnetization of Spinel Compounds Across the (Zn,Mg)Fe2o4 System with Tailored Particle Size in the Submicron Scale for Flexible Smart Devices

Cristina Pascual-González, Harvey Amorín, R. P. del Real, Federico Serrano‐Sánchez et autres

Core/shell bimagnetic microwires with asymmetric shell: MOKE and FMR behavior

Valeria Kolesnikova, Irina Baraban, R. P. del Real, Valeria Rodionova et autres

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First-Order Reversal Curves of Sets of Bistable Magnetostrictive Microwires

Ana M. Cabanas, R. P. del Real, D. Laroze, M. Vázquez

Amorphous microwires have attracted substantial attention in the past decade because of their useful technological applications. Their bistable magnetic response is determined by positive or negative magnetostriction, respectively. First-order reversal curves (FORC) are a powerful tool for analyzing the magnetization reversal processes …

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Domain wall propagation and pinning induced by current pulses in cylindrical modulated nanowires

Cristina Bran, Jose Ángel Fernández-Roldán, Julián A. Moreno, Arantxa Fraile Rodríguez et autres

. Thermal modelling indicates that large current densities temporarily raise the temperature in the nanowire above the Curie temperature, leading to nucleation of domain walls during the system cooling. Micromagnetic modelling with a spin-torque effect shows that for intermediate current densities, Bloch …

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Core/Shell Bimagnetic Microwires with Asymmetric Shell: Moke and Fmr Behavior

Valeria Kolesnikova, Irina Baraban, R. P. del Real, Valeria Rodionova et autres

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Toward remote and secure authentication: Disambiguation of magnetic microwire signatures using neural networks

Akshar Varma, X. Zhang, B.T. Lejeune, Laura Cebada Almagro et autres

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High-Sensitivity Wireless Sensing Using Amorphous Magnetic Microwires

B.T. Lejeune, Papa Gorgui Birame Gueye, Diego Archilla, E. Navarro et autres

Glass-coated amorphous ferromagnetic microwires subjected to variations in mass loading and parallel wire arrays with 0.5–6-cm interwire spacing were found to deliver exceptional magnetomechanical and wireless giant magnetoimpedance (GMI) responses, in the kilohertz and microwave range, respectively. The microwires allow wireless quantification …

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Domain Wall Propagation and Pinning Induced by Current Pulses in Cylindrical Modulated Nanowires

Cristina Bran, Jose Ángel Fernández-Roldán, Julián A. Moreno, Arantxa Fraile Rodríguez et autres

The future developments of three-dimensional magnetic nanotechnology require the control of domain wall dynamics by means of current pulses. While this has been extensively studied in planar magnetic strips (planar nanowires), few reports exist in cylindrical geometry, where Bloch point domain walls …