Electronic structure and magnetism in Sm2Fe17-xAx (A=Al,Ga,Si)

R. F. Sabirianov; S. S. Jaswal

doi:10.1063/1.362114

Electronic structure and magnetism in Sm₂Fe_17-xA_x (A=Al,Ga,Si)

R. F. Sabirianov, S. S. Jaswal

Physics

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Abstract

Self-consistent spin-polarized electronic structure calculations have been carried out to derive the magnetic properties of the Sm₂Fe_17-xA_x (A=Al, Ga, Si and x=0 and 1). The influence of impurities on the Curie temperature (T_C) of Sm₂Fe₁₇ has been studied using the spin-fluctuation approach of Mohn and Wohlfarth. The calculated T_C generally goes up with the addition of each impurity but the relative increase in T_C depends on the type of the impurity and its site. The calculated T_C enhancement weighted with the impurity-site occupancy from Mössbauer data are in good agreement with the experimental data.

Original language	English (US)
Pages (from-to)	5942-5944
Number of pages	3
Journal	Journal of Applied Physics
Volume	79
Issue number	8 PART 2B
DOIs	https://doi.org/10.1063/1.362114
State	Published - Apr 15 1996

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General Physics and Astronomy

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abstract = "Self-consistent spin-polarized electronic structure calculations have been carried out to derive the magnetic properties of the Sm2Fe17-xAx (A=Al, Ga, Si and x=0 and 1). The influence of impurities on the Curie temperature (TC) of Sm2Fe17 has been studied using the spin-fluctuation approach of Mohn and Wohlfarth. The calculated TC generally goes up with the addition of each impurity but the relative increase in TC depends on the type of the impurity and its site. The calculated TC enhancement weighted with the impurity-site occupancy from M{\"o}ssbauer data are in good agreement with the experimental data.",

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AU - Sabirianov, R. F.

AU - Jaswal, S. S.

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Y1 - 1996/4/15

N2 - Self-consistent spin-polarized electronic structure calculations have been carried out to derive the magnetic properties of the Sm2Fe17-xAx (A=Al, Ga, Si and x=0 and 1). The influence of impurities on the Curie temperature (TC) of Sm2Fe17 has been studied using the spin-fluctuation approach of Mohn and Wohlfarth. The calculated TC generally goes up with the addition of each impurity but the relative increase in TC depends on the type of the impurity and its site. The calculated TC enhancement weighted with the impurity-site occupancy from Mössbauer data are in good agreement with the experimental data.

AB - Self-consistent spin-polarized electronic structure calculations have been carried out to derive the magnetic properties of the Sm2Fe17-xAx (A=Al, Ga, Si and x=0 and 1). The influence of impurities on the Curie temperature (TC) of Sm2Fe17 has been studied using the spin-fluctuation approach of Mohn and Wohlfarth. The calculated TC generally goes up with the addition of each impurity but the relative increase in TC depends on the type of the impurity and its site. The calculated TC enhancement weighted with the impurity-site occupancy from Mössbauer data are in good agreement with the experimental data.

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Electronic structure and magnetism in Sm₂Fe_17-xA_x (A=Al,Ga,Si)

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