Efeitos da adição de átomos de Mn na rede do GaN via métodos de estrutura eletrônica Indirect effects of the Mn incorporation on the electronic structure of nanocrystalline GaN

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2010
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Abstract
A computational method to simulate the changes in the electronic structure of Ga1-xMn xN was performed in order to improve the understanding of the indirect contribution of Mn atoms. This periodic quantum-mechanical method is based on density functional theory at B3LYP level. The electronic structures are compared with experimental data of the absorption edge of the GaMnN. It was observed that the indirect influence of Mn through the structural parameters can account for the main part of the band gap variation for materials in the diluted regime (x<0.08), and is still significant for higher compositions (x~0.18).
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Authors Mazini, Melânia Cristina;Sambrano, Julio Ricardo;Cavalheiro, Alberto Adriano;Leite, Douglas Marcel Gonçalves;Silva, José Humberto Dias da;
Journal química nova
Year 2010
DOI DOI not found
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40422010000400013
Keywords
chemistry Biology (General) Materials of engineering and construction. Mechanics of materials Engineering (General). Civil engineering (General) Technology physics

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