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HomeSolid State PhenomenaSolid State Phenomena Vols. 172-174Effect of Magnetism on Short-Range Order Formation...

Effect of Magnetism on Short-Range Order Formation in Fe-Si and Fe-Al Alloys

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Abstract:

Short-range order formation in dilute Fe-Si and Fe-Al alloys has been investigated by statistical Monte Carlo simulations with effective interactions deduced from first principles calculations for different magnetic structures of bcc Fe. We find that the variation of the magnetic order from ferromagnetic to paramagnetic leads to significant changes in effective cluster interactions and, as follow, in short-range order parameters of alloys. It is shown in agreement with experiment the B2 type short-range order is formed above the Curie temperature, T_C, while the D0₃ type short-range order is preferred below T_C.

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Periodical:

Solid State Phenomena (Volumes 172-174)

Pages:

618-623

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.172-174.618

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Online since:

June 2011

Authors:

Oleg I. Gorbatov, Yuri N. Gornostyrev, Andrey R. Kuznetsov, Andrei V. Ruban

Keywords:

Induced Magnetic Anisotropy, Magnetism, Phase Diagram, Short Range Order

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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