Documentos de Velásquez É.A. | REDI

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Mostrando 10 resultados de: 16

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Journal of Magnetism and Magnetic Materials(3)

Physical Chemistry Chemical Physics(2)

Advanced Materials Interfaces(1)

Advanced Theory and Simulations(1)

Applied Physics Letters(1)

Área temáticas

Química inorgánica(6)

Ingeniería y operaciones afines(5)

Física moderna(3)

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Ciencia de materiales(10)

Campo magnético(4)

Magnetohidrodinámica(3)

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2d materials(1)

CrI layers 3(1)

Complex magnetic states in Ni/Fe bi-segmented nanorods

Abstract: In this Letter, we discuss the magnetic properties of Ni/Fe bi-segmented nanorods in a wide range of

Palabras claves:

Fast Monte Carlo, Fe-Ni, Interface exchange coupling, Magnetic phase diagram, Nanorods

José Mejía-López, López-Moreno S., Mazo-Zuluaga J., Velásquez É.A.

Bridging the gap between discrete and continuous magnetic models in the scaling approach

Abstract: The scaling technique, often used to study magnetic properties of nanostructures, is based on a redu

Palabras claves:

José Mejía-López, Mazo-Zuluaga J., Vargas P., Velásquez É.A.

Controlling domain wall nucleation and propagation with temperature gradients

Abstract: Field driven nucleation and propagation of transverse domain walls (DWs) in Fe nanowires under therm

Palabras claves:

Altbir D., José Mejía-López, Mazo-Zuluaga J., Velásquez É.A.

Ab initio study of the magnetic behavior of metal hydrides: A comparison with the Slater-Pauling curve

Abstract: We investigated the magnetic behavior of metal hydrides FeHx, CoHx and NiHx for several concentratio

Palabras claves:

CoH x, FeH x, Ferromagnetics metal hydrides, Metal hydrides alloys, NiH x, Slater-Pauling curve

José Mejía-López, León A.M., Vargas P., Velásquez É.A.

Fe/Ni core/shell nanowires and nanorods: A combined first-principles and atomistic simulation study

Abstract: In recent years, construction and characterization of core-shell structures have attracted great att

Palabras claves:

José Mejía-López, López-Moreno S., Mazo-Zuluaga J., Velásquez É.A.

Finite-length Fe nanowire arrays: The effects of magnetic anisotropy energy, dipolar interaction and system size on their magnetic properties

Abstract: In this study we report on the magnetic properties of finite-length Fe nanowire arrays. The samples

Palabras claves:

anisotropy energy, dipolar interaction, Fe nanowire arrays, finite length Fe nanowires, magnetic properties, Monte Carlo, shape anisotropy energy

José Mejía-López, Mazo-Zuluaga J., Ochoa A., Velásquez É.A.

Hydrogen induced AFM to FM magnetic transition in ε-FeH<inf>x</inf>

Abstract: We study the magnetic behavior of the metallic system ∊-FeHx as a function hydrogen concentration (x

Palabras claves:

José Mejía-López, León A.M., Torres F., Vargas P., Velásquez É.A.

Ornstein-Zernike correlations and magnetic ordering in nanostructures

Abstract: In this paper we propose a Heisenberg variational approach to study pseudo-critical phenomena on fer

Palabras claves:

Solid State and Materials

Altbir D., José Mejía-López, Mazo-Zuluaga J., Velásquez É.A.

Low-energy configurations of Pt<inf>6</inf>Cu<inf>6</inf> clusters and their physical-chemical characterization: a high-accuracy DFT study

Abstract: Based on a combination of many-body potentials, an analysis of the inertia tensors and a Density Fun

Palabras claves:

José Mejía-López, Mazo-Zuluaga J., Velásquez É.A.

Magnetic effects of interstitial hydrogen in nickel

Abstract: Hydrogen storage in materials is among the most relevant fields when thinking about energy conversio

Palabras claves:

ab initio calculations, Ferromagnetic nickel, Interstitial hydrogen, Metal hydrides, NiH x, Stoner model

Florez J., José Mejía-López, León A.M., Mazo-Zuluaga J., Vargas P., Velásquez É.A.