Explanipedia

Interplay between Structure and Interfacial Interactions in Fe-Gd Synthetic Ferrimagnets Open

Álvaro González-García, Alejandro Álvarez-Chico, Jairo Obando-Guevara, S. Gallégo, Unai Atxitia , et al. · 2025

Local Control of Perpendicular Magnetic Anisotropy of Pd/Co Multilayers Via Ion Bombardment Open

Eugenia Sebastiani, Ana Parente, Pedro Luis Alcázar, M. Abuín, Álvaro González-García , et al. · 2025

Local Control of Perpendicular Magnetic Anisotropy of Pd/Co Multilayers Via Ion Bombardment Open

Eugenia Sebastiani, Ana Parente, Pedro Luis Alcázar, M. Abuín, Álvaro González-García , et al. · 2025

Tuning the Spin Transition and Carrier Type in Rare‐Earth Cobaltates via Compositional Complexity Open

Alan Zhang, Sangheon Oh, Byoung Ki Choi, Eli Rotenberg, Timothy D. Brown , et al. · 2024

There is growing interest in material candidates with properties that can be engineered beyond traditional design limits. Compositionally complex oxides (CCO), often called high entropy oxides, are excellent candidates, wherein a lattice s…

Asymmetrical magnetization processes induced by compositional gradients in ferromagnetic nanowires Open

Claudia Fernández‐González, Alba Berja, Laura Álvaro-Gómez, Carolina Martín-Rubio, A. Mascaraque , et al. · 2024

Electrodeposited nanowires are an excellent scenario to study and control magnetic domain wall motion in nanostructures. In particular, the introduction of local changes in composition during the growth procedure has been proven to be very…

Hydrogen absorption boosting in mildly annealed bulk MoS2 Open

Jairo Obando-Guevara, Álvaro González-García, Marcin Rosmus, Natalia Olszowska, César González , et al. · 2024

We present study based on ARPES and DFT on the modifications in the electronic structure of MoS 2 resulting from the introduction of sulphur defects by soft annealing and their role in hydrogen adsorption.

Physical Delithiation of Epitaxial LiCoO2 Battery Cathodes as a Platform for Surface Electronic Structure Investigation Open

Elena Salagre, P. Segovia, M.A. González, Matteo Jugovac, Paolo Moras , et al. · 2023

We report a novel delithiation process for epitaxial thin films of LiCoO₂(001) cathodes using only physical methods, based on ion sputtering and annealing cycles. Preferential Li sputtering followed by annealing produces a surfa…

Giant electron-phonon interaction for a prototypical semiconductor interface: Open

Maya Narayanan Nair, Irene Palacio, A. Mascaraque, E. G. Michel, A. Taleb-Ibrahimi , et al. · 2023

We report an experimental and theoretical study of the electron-phonon coupling for α-Sn/Ge(111), a prototypical triangular lattice surface, closely related to Sn/Si(111)-(3×3), where recent experimental evidence has found superconductivit…

Stacking influence on the in-plane magnetic anisotropy in a 2D magnetic system Open

Sandra Ruiz‐Gómez, Lucas Pérez, A. Mascaraque, B. Santos, Farid El Gabaly , et al. · 2023

The influence of the stacking of three atoms thick islands of Co on Ru(0001) is studied by spin-polarized low-energy electron microscopy (SPLEEM). It decreases by two orders of magnitude by changing the stacking sequence from fcc to hcp.

Fermi surface of LaSb2 and direct observation of a CDW transition Open

Irene Palacio, Jairo Obando-Guevara, L. Chen, Maya Narayanan Nair, M.A. González Barrio , et al. · 2022

Imaging Phase Segregation in Nanoscale LixCoO2 Single Particles Open

Elliot J. Fuller, David S. Ashby, C. Polop, Elena Salagre, Bhuvsmita Bhargava , et al. · 2022

Li_xCoO₂ (LCO) is a common battery cathode material that has recently emerged as a promising material for other applications including electrocatalysis and as electrochemical random access memory (ECRAM). During…

Highly Bi-doped electrodeposited Cu nanowires for spintronics applications Open

Sandra Ruiz‐Gómez, Claudia Fernández‐González, Alejandra Guedeja-Marrón, Aída Serrano, M.A. González , et al. · 2021

Large Dzyaloshinskii-Moriya interaction induced by chemisorbed oxygen on a ferromagnet surface Open

Gong Chen, A. Mascaraque, Hongying Jia, Bernd Alois Zimmermann, M. Robertson , et al. · 2020

Observation of large Dzyaloshinskii-Moriya interaction and switching of skyrmion’s winding number induced by chemisorbed oxygen.

In-plane Néel wall chirality and orientation of interfacial Dzyaloshinskii-Moriya vector in magnetic films Open

M. Robertson, Christopher J. Agostino, Gong Chen, S. P. Kang, A. Mascaraque , et al. · 2020

The interfacial Dzyaloshinskii-Moriya interaction (DMI) is of great interest as it can stabilize chiral spin structures in thin films. Experiments verifying the orientation of the interfacial DMI vector remain rare, in part due to the diff…

Helical surface magnetization in nanowires: the role of chirality Open

Sandra Ruiz‐Gómez, Claudia Fernández‐González, E. Martı́nez, V. Raposo, Andrea Sorrentino , et al. · 2020

Nanomagnetism is nowadays expanding into three dimensions, triggered by the discovery of new magnetic spin textures that should be studied and understood.

Domain wall structure and magnetization reversal processes in FeNi nanowires Open

Sandra Ruiz‐Gómez, Claudia Fernández‐González, Michael Foerster, Lucía Aballe, A. Quesada , et al. · 2019

3D magnetometry in nanomaterials using XMCD-PEEM microscopy Open

Sandra Ruiz‐Gómez, A. Quesada, Michael Foerster, Lucía Aballe, A. Mascaraque , et al. · 2019

Trabajo presentado en el VIII Workshop Students & Postdocs, celebrado en Madrid (España) el 10 de noviembre de 2021.

Highly Bi-doped Cu thin films with large spin-mixing conductance Open

Sandra Ruiz‐Gómez, R. Guerrero, M. Muñoz, I. Lucas, Michael Foerster , et al. · 2018

The spin Hall effect (SHE) provides an efficient tool for the production of pure spin currents, essentially for the next generation of spintronics devices. Giant SHE has been reported in Cu doped with 0.5% Bi grown by sputtering, and large…

Observation of a topologically protected state in a magnetic domain wall stabilized by a ferromagnetic chemical barrier Open

Sandra Ruiz‐Gómez, Michael Foerster, Lucía Aballe, Mariana P. Proença, I. Lucas , et al. · 2018

Highly Bi-doped Cu thin films with large spin-mixing conductance Open

Sandra Ruiz‐Gómez, Aída Serrano, R. Guerrero, M. Muñoz, I. Lucas , et al. · 2018

The spin Hall effect (SHE) provides an efficient tool for the production of pure spin currents, essentially for the next generation of spintronics devices. Giant SHE has been reported in Cu doped with 0.5% Bi grown by sputtering, and large…

Large spin-mixing conductance in highly Bi-doped Cu thin films Open

Sandra Ruiz‐Gómez, Aída Serrano, R. Guerrero, M. Muñoz, I. Lucas , et al. · 2018

Spin Hall effect provides an efficient tool for the conversion of a charge current into a spin current, opening the possibility of producing pure spin currents in non-magnetic materials for the next generation of spintronics devices. In th…

Memory effect and magnetocrystalline anisotropy impact on the surface magnetic domains of magnetite(001) Open

Laura Martín‐García, Gong Chen, Yaiza Montaña, A. Mascaraque, Beatriz M. Pabón , et al. · 2018

Geometrically defined spin structures in ultrathin Fe3O4with bulk like magnetic properties Open

Sandra Ruiz‐Gómez, Lucas Pérez, A. Mascaraque, A. Quesada, P. Prieto , et al. · 2018

We have grown high quality magnetite microcrystals free from antiphase boundaries on Ru(0001) by reactive molecular beam epitaxy, conserving bulk magnetic properties below 20 nm thickness.

Tailoring the magnetization states in 2D arrays of multiresponse ferromagnetic nanomagnets Open

M. Abuín, M. Maícas, M. A. Garcı̀a, Lucas Pérez, A. Mascaraque · 2017

We have fabricated Fe52-54Co46-48 nanomagnet arrays as a function of several geometrical parameters like the spacing between nanostructures, the aspect ratio and the layers thicknesses. The nanomagnets consist in two magnetic layers, separ…

Formation of a magnetite/hematite epitaxial bilayer generated with low energy ion bombardment Open

Sandra Ruiz‐Gómez, Aída Serrano, I. Carabias, M. A. Garcı̀a, A. Hernando , et al. · 2017

We have used a low-energy ion bombardment to fabricate an epitaxial single-crystalline magnetite/hematite bilayer grown on Au(111). This non-conventional fabrication method involves the transformation of the upper layers of a single-crysta…

AMPHIBIAN CSIC experimentaldata N RuizGomez 2018 XPEEM 20180312 75144 (v1) Open

S. Ruiz-Gómez, Lucas Pérez, A. Mascaraque, A. Quesada, Pilar Prieto , et al. · 2016

We have grown high quality magnetite microcrystals free from antiphase boundaries on Ru(0001) by reactive molecular beam epitaxy, conserving bulk magnetic properties below 20 nm thickness. Magnetization vector maps are obtained by X-ray sp…

Spin reorientation transition of magnetite (001) Open

Laura Martín‐García, A. Mascaraque, Beatriz M. Pabón, Roland Bliem, Gareth S. Parkinson , et al. · 2016

We have imaged the rearrangement of the magnetic domains on magnetite (001) when crossing the spin reorientation transition and the Verwey transition with nanometer resolution. By means of spin-polarized low-energy electron microscopy we h…

Room temperature skyrmion ground state stabilized through interlayer exchange coupling Open

Gong Chen, A. Mascaraque, Alpha T. N’Diaye, Andreas K. Schmid · 2015

Possible magnetic skyrmion device applications motivate the search for structures that extend the stability of skyrmion spin textures to ambient temperature. Here, we demonstrate an experimental approach to stabilize a room temperature sky…

Formation of titanium monoxide (001) single-crystalline thin film induced by ion bombardment of titanium dioxide (110) Open

Beatriz M. Pabón, Juan I. Beltrán, Gabriel Sánchez‐Santolino, Irene Palacio, Jesús López‐Sánchez , et al. · 2015

Mössbauer and Magnetic Properties of Coherently Mixed Magnetite-Cobalt Ferrite Grown by Infrared Pulsed-Laser Deposition Open

Juan de la Figuera, A. Quesada, Laura Martín‐García, Mikel Sanz, M. Oujja , et al. · 2015

We have studied the magnetic properties and the composition of cobalt ferrite single crystal films on SrTiO3: Nb grown by infrared pulsed-laser deposition. Mössbauer spectra have been recorded from both the target used to grow the films an…

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