CobaltMaghrebV1, Main, Merge, bibRecord, 000455

Explanation of Co Magnetic Moment Enhancement in (Co,Cu)-Doped ZnO by First-Principle Calculations

Identifieur interne : 000455 ( Main/Merge ); précédent : 000454; suivant : 000456

Explanation of Co Magnetic Moment Enhancement in (Co,Cu)-Doped ZnO by First-Principle Calculations

Auteurs : A. El Amiri [Maroc] ; M. Abid [Maroc] ; H. Lassri [Maroc] ; E. K. Hlil [France]

Source :

Journal of superconductivity and novel magnetism [ 1557-1939 ] ; 2012.

RBID : Pascal:12-0444086

Descripteurs français

Pascal (Inist)
- Moment magnétique, Codopage, Addition cuivre, Oxyde de zinc, Méthode fonctionnelle densité, Calcul ab initio, Addition cobalt, Structure électronique, Calcul KKR, Calcul CPA, Densité état électron, Semiconducteur semimagnétique, Composé minéral, Composé de métal de transition, Semiconducteur II-VI, ZnO.
Wicri :
- topic : Composé minéral.

English descriptors

KwdEn :
- Ab initio calculations, CPA calculations, Cobalt additions, Codoping, Copper additions, Density functional method, Electronic density of states, Electronic structure, II-VI semiconductors, Inorganic compounds, KKR calculations, Magnetic moments, Semimagnetic semiconductors, Transition element compounds, Zinc oxide.

Abstract

By ab-initio calculations on Zn_0.95-xCo_0.05Cu_xO, we study the variations of magnetic moments versus Cu concentration. The electronic structure is calculated by using the Korringa-Kohn-Rostoker (KKR) method combined with coherent potential approximation (CPA). We show that the total magnetic moment and magnetic moment of Co increase with increasing Cu content. From a density of state (DOS) analysis, we propose an explanation of the enhancement of the Co magnetic moment versus Cu concentration.

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Pascal:12-0444086

Le document en format XML

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<term>Electronic density of states</term>
<term>Electronic structure</term>
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<term>Inorganic compounds</term>
<term>KKR calculations</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Moment magnétique</term>
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<term>Méthode fonctionnelle densité</term>
<term>Calcul ab initio</term>
<term>Addition cobalt</term>
<term>Structure électronique</term>
<term>Calcul KKR</term>
<term>Calcul CPA</term>
<term>Densité état électron</term>
<term>Semiconducteur semimagnétique</term>
<term>Composé minéral</term>
<term>Composé de métal de transition</term>
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<front><div type="abstract" xml:lang="en">By ab-initio calculations on Zn<sub>0.95-x</sub>
Co<sub>0.05</sub>
Cu<sub>x</sub>
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Explanation of Co Magnetic Moment Enhancement in (Co,Cu)-Doped ZnO by First-Principle Calculations

Explanation of Co Magnetic Moment Enhancement in (Co,Cu)-Doped ZnO by First-Principle Calculations

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri