J. M. Alameda
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View article: Layer-dependence of macroscopic and atomic magnetic correlations in Co/Pd multilayers
Layer-dependence of macroscopic and atomic magnetic correlations in Co/Pd multilayers Open
The development of multilayered materials with engineered magnetic properties compels a deep knowledge of physical properties at the atomic scale. The magnetic anisotropy is a key property in these materials. This work accounts for the mag…
View article: Magnetic singularities topological charge experimentally revealed via soft X-ray tomography
Magnetic singularities topological charge experimentally revealed via soft X-ray tomography Open
Resumen del trabajo presentado a la 65th Annual Conference on Magnetism and Magnetic Materials (MMM), celebrada de forma virtual del 2 al 6 de noviembre de 2020.
View article: Tailoring block copolymer nanoporous thin films with acetic acid as a small guest molecule
Tailoring block copolymer nanoporous thin films with acetic acid as a small guest molecule Open
Block copolymers offer the fabrication of mesoporous thin films with distinct nanoscale structural features. In this contribution, we present the use of acetic acid (CH 3 COOH) as a low‐molecular‐weight guest molecule to tune the supramole…
View article: Revealing 3D Magnetization of Thin Films with Soft X-ray Tomography: Closure Domains and Magnetic Singularities
Revealing 3D Magnetization of Thin Films with Soft X-ray Tomography: Closure Domains and Magnetic Singularities Open
The knowledge of how the magnetization looks inside a ferromagnet is often hindered by the limitations of the available experimental methods that are sensitive only to the surface regions or limited in spatial resolution. We report the 3D …
View article: Revealing 3D Magnetization of Thin Films with Soft X-ray Tomography at Nanometer Resolution
Revealing 3D Magnetization of Thin Films with Soft X-ray Tomography at Nanometer Resolution Open
The knowledge of how the magnetization looks inside a ferromagnet is often hindered by the limitations of the available experimental methods that are sensitive only to the surface regions or limited in spatial resolution. We report the 3D …
View article: Magnetic soft X-ray transmission tomography: a tool to reveal complex magnetic textures
Magnetic soft X-ray transmission tomography: a tool to reveal complex magnetic textures Open
Resumen del trabajo presentado al Joint European Magnetic Symposia (JEMS), celebrado en Uppsala (Sweden) del 26 al 30 de agosto de 2019.
View article: 3D magnetic reconstruction of non-trivial spin textures from simulated dichroic soft X-ray transmission tomography
3D magnetic reconstruction of non-trivial spin textures from simulated dichroic soft X-ray transmission tomography Open
Resumen del trabajo presentado al Microscience Microscopy Congress (mmc), celebrado en Oxford (UK) del 1 al 4 de julio de 2019.
View article: Tunable ferromagnetic resonance in coupled trilayers with crossed perpendicular and in-plane magnetic anisotropies
Tunable ferromagnetic resonance in coupled trilayers with crossed perpendicular and in-plane magnetic anisotropies Open
Resumen del póster presentado al 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META), celebrado en Lisboa (Portugal) del 23 al 26 de julio de 2019.
View article: Soft X ray magnetic tomography
Soft X ray magnetic tomography Open
Resumen del trabajo presentado al DPG Spring Meeting, celebrado del 31 de marzo al 5 de abril de 2019 en la Universidad de Regensburg (Alemania).
View article: 3D reconstruction of magnetization from dichroic soft X-ray transmission tomography
3D reconstruction of magnetization from dichroic soft X-ray transmission tomography Open
The development of magnetic nanostructures for applications in spintronics requires methods capable of visualizing their magnetization. Soft X-ray magnetic imaging combined with circular magnetic dichroism allows nanostructures up to 100–3…
View article: Polymer porous thin films obtained by direct spin coating
Polymer porous thin films obtained by direct spin coating Open
Films of four different nanostructures, namely micelles, filled cylinders, ring‐shaped porous nanostructures and hollow cylinders, can be prepared easily in a straightforward and simple way by spin coating onto a silicon plate toluene solu…
View article: Deterministic propagation of vortex-antivortex pairs in magnetic trilayers
Deterministic propagation of vortex-antivortex pairs in magnetic trilayers Open
Thin perpendicular magnetic anisotropy films between two soft ferromagnetic layers have the nuclei for magnetization inversion at the bifurcations of their characteristic stripe domain pattern. The inverted nuclei induce vortex-antivortex …
View article: Observation of asymmetric distributions of magnetic singularities across magnetic multilayers
Observation of asymmetric distributions of magnetic singularities across magnetic multilayers Open
Whereas a great deal of work is being devoted to magnetic singularities in two-dimensional (2D) systems (surfaces, interfaces, films) due to their possible applications, much less is known about their properties along the perpendicular dir…
View article: Magnetic stripes and holes: Complex domain patterns in perforated films with weak perpendicular anisotropy
Magnetic stripes and holes: Complex domain patterns in perforated films with weak perpendicular anisotropy Open
Hexagonal antidot arrays have been patterned on weak perpendicular magnetic anisotropy NdCo films by e-beam lithography and lift off. Domain structure has been characterized by Magnetic Force Microscopy at remanence. On a local length scal…
View article: Asymmetric merons studied by magnetic transmission X-ray microscopy
Asymmetric merons studied by magnetic transmission X-ray microscopy Open
Resumen del trabajo presentado a la 61st Annual Conference on Magnetism and Magnetic Materials, celebrada en New Orleans (USA) del 31 de octubre al 4 de noviembre de 2016.