Effects of Ga substitution on the structural and magnetic properties of half metallic Fe2MnSi Heusler compound
S. S. Pedro, R. J. Caraballo Vivas, V. M. Andrade, C. Cruz, L. S. Paixão, C. Contreras, T. Costa-Soares, L. Caldeira, A. A. Coelho, A. Magnus G. Carvalho, D. L. Rocco and M. S. Reis
ARTIGO
Inglês
Agradecimentos: Access to Laboratório de Caracterização de Materiais at IF-Sudeste MG (Juiz de Fora, Brazil), Laboratório de Difração de Raios-X at IF - UFF (Niterói, Brazil), and Laboratório de Baixas Temperaturas at UNICAMP (Campinas, Brazil) is gratefully acknowledged by all authors. The authors...
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Agradecimentos: Access to Laboratório de Caracterização de Materiais at IF-Sudeste MG (Juiz de Fora, Brazil), Laboratório de Difração de Raios-X at IF - UFF (Niterói, Brazil), and Laboratório de Baixas Temperaturas at UNICAMP (Campinas, Brazil) is gratefully acknowledged by all authors. The authors also acknowledge FAPERJ, FAPESP, CAPES, CNPq, and PROPPI-UFF for financial support
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Abstract: The so-called half-metallic magnets have been proposed as good candidates for spintronic applications due to the feature of exhibiting a hundred percent spin polarization at the Fermi level. Such materials follow the Slater-Pauling rule, which relates the magnetic moment with the valence...
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Abstract: The so-called half-metallic magnets have been proposed as good candidates for spintronic applications due to the feature of exhibiting a hundred percent spin polarization at the Fermi level. Such materials follow the Slater-Pauling rule, which relates the magnetic moment with the valence electrons in the system. In this paper, we study the bulk polycrystalline half-metallic Fe2MnSi Heusler compound replacing Si by Ga to determine how the Ga addition changes the magnetic, the structural, and the half-metal properties of this compound. The material does not follow the Slater-Pauling rule, probably due to a minor structural disorder degree in the system, but a linear dependence on the magnetic transition temperature with the valence electron number points to the half-metallic behavior of this compound
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FUNDAÇÃO CARLOS CHAGAS FILHO DE AMPARO À PESQUISA DO ESTADO DO RIO DE JANEIRO - FAPERJ
FUNDAÇÃO DE AMPARO À PESQUISA DO ESTADO DE SÃO PAULO - FAPESP
COORDENAÇÃO DE APERFEIÇOAMENTO DE PESSOAL DE NÍVEL SUPERIOR - CAPES
CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO - CNPQ
Aberto
DOI: https://doi.org/10.1063/1.4905173
Texto completo: https://aip.scitation.org/doi/10.1063/1.4905173
Effects of Ga substitution on the structural and magnetic properties of half metallic Fe2MnSi Heusler compound
S. S. Pedro, R. J. Caraballo Vivas, V. M. Andrade, C. Cruz, L. S. Paixão, C. Contreras, T. Costa-Soares, L. Caldeira, A. A. Coelho, A. Magnus G. Carvalho, D. L. Rocco and M. S. Reis
Effects of Ga substitution on the structural and magnetic properties of half metallic Fe2MnSi Heusler compound
S. S. Pedro, R. J. Caraballo Vivas, V. M. Andrade, C. Cruz, L. S. Paixão, C. Contreras, T. Costa-Soares, L. Caldeira, A. A. Coelho, A. Magnus G. Carvalho, D. L. Rocco and M. S. Reis
Fontes
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Journal of applied physics Vol. 117, n. 1 (Jan., 2015), n. art. 013902, p. 1-5 |