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Propiedades electrónicas y estructurales del Ga1-xCrxAs

Authors: Nasly Y. Martínez Velásquez; Jairo Arbey Rodríguez Martínez;

Propiedades electrónicas y estructurales del Ga1-xCrxAs

Abstract

Mediante el uso de principios basados en la teoría del funcional de la densidad - DFT (Density Functional Theory) se calcularon las propiedades electrónicas y estructurales del compuesto Ga1-xCrxAs. Empleando el método de ondas planas y la aproximación de pseudopotenciales atómicos ultra suaves se resolvieron las ecuaciones de Kohn-Sham. Para la energía de intercambio y correlación se empleó la aproximación de gradiente generalizado, dentro de la parametrización de Perdew-Burke-Ernzerhof (PBE) tal como está implementada en el código computacional Quantum-Espresso. Al dopar GaAs con impurezas de Cr, el sistema exhibe un comportamiento tipo half-metallic. Dicho material puede ser usado en espintrónica. © 2018. Acad. Colomb. Cienc. Ex. Fis. Nat.

Country
Colombia
Keywords

Propiedades electrónicas, Electronic properties, Ga1-xCrxAs, QE, DFT

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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