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Now showing items 191-200 of 200
Real space manifestations of coherent screening in atomic scale Kondo lattices
(Nature Publishing, 2019-06-17)
The interaction among magnetic moments screened by conduction electrons drives quantum phase transitions between magnetically ordered and heavy-fermion ground states. Here, starting from isolated magnetic impurities in the ...
Functional magnetic materials prepared by rapid quenching.
(2017-08-28)
La presente tesis doctoral se fundamenta en la preparación de materiales magnéticos funcionales por el enfriamiento ultrarrápido y en la caracterización de sus propiedades. Los dos primeros capítulos son dedicados a la ...
Magnetic Microwires with Unique Combination of Magnetic Properties Suitable for Various Magnetic Sensor Applications
(MDPI, 2020-12-16)
There is a pressing demand to improve the performance of cost-effective soft magnetic materials for use in high performance sensors and devices. Giant Magneto-impedance effect (GMI), or fast single domain wall (DW) propagation ...
Optimization of Magnetic Properties of Magnetic Microwires by Post-Processing
(MDPI, 2020-08-18)
The influence of post-processing conditions on the magnetic properties of amorphous and nanocrystalline microwires has been thoroughly analyzed, paying attention to the influence of magnetoelastic, induced and magnetocrystalline ...
Magnetoimpedance Response and Field Sensitivity in Stress-Annealed Co-Based Microwires for Sensor Applications
(MDPI, 2020-06-05)
Amorphous soft magnetic microwires have attracted much attention in the area of sensor applications due to their excellent properties. In this work, we study the influence of annealing treatments (stress and conventional) ...
Coercivity and Magnetic Anisotropy of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 Amorphous and Nanocrystalline Alloy Produced by Gas Atomization Process
(MDPI, 2020-05-04)
We present the evolution of magnetic anisotropy obtained from the magnetization curve of (Fe0.76Si0.09B0.10P0.05)97.5Nb2.0Cu0.5 amorphous and nanocrystalline alloy produced by a gas atomization process. The material obtained ...
Manipulation of domain wall dynamics in amorphous microwires through the magnetoelastic anisotropy
(Springer, 2012-04)
We studied the effect of magnetoelastic anisotropy on domain wall (DW) dynamics and remagnetization process of magnetically bistable Fe-Co-rich microwires with metallic nucleus diameters (from 1.4 to 22 mu m). We manipulated ...
Domain wall dynamics of magnetically bistable microwires
(EDP Sciences, 2012-06)
We studied domain wall propagation of magnetically-bistable Fe-Co-rich microwires paying attention on effect of applied and internal stresses. We measured hysteresis loops and domain wall propagation in various magnetic ...
Molecular assembly and reactions on surfaces characterized by low-temperature scanning probe techniques
(2020-03-20)
En esta tesis describo las propiedades estructurales y electrónicas que surgen del ensamblado y las reacciones químicas de moléculas orgánicas en superficies metálicas, usando herramientas de caracterización local. El ...
Strain-induced effects in the electronic and spin properties of a monolayer of ferromagnetic GdAg 2
(Royal Society of Chemistry, 2016)
We report on the structural, electronic and magnetic properties of a monolayer of GdAg2, forming a moire pattern on Ag(111). Combining scanning tunneling microscopy and ab initio spin-polarized calculations, we show that ...