Structural Characterization of the Chromium-Iron Alloy Formed by Thermal Diffusion Processes

Roberto Baca Arroyo

doi:10.4028/www.scientific.net/AMR.651.284

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 651Structural Characterization of the Chromium-Iron...

Structural Characterization of the Chromium-Iron Alloy Formed by Thermal Diffusion Processes

Abstract:

We have investigated the chromium-iron alloy and compared it to the oxides α-Fe₂O₃ (E_g = 4.8eV) and α-Cr₂O₃ (E_g = 2.1eV). It is known that α-Cr₂O₃ and α-Fe₂O₃ both adopt a corundum-type structure, but display differences in the lattice constants, direct band gap, and magnetic ordering of the cations. The chromium-iron alloy was synthesized by thermal diffusion processes of both chromium and iron thin-films in air atmosphere conditions. We have studied the elastic distortions related to nature of the relative strains as well as magnetic coupling between Fe and Cr from the X-ray diffraction studies.

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Periodical:

Advanced Materials Research (Volume 651)

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284-288

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.651.284

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Online since:

January 2013

Authors:

Roberto Baca Arroyo

Keywords:

Magnetoelastic Coupling, Relative Strains, Superexchange, Thermal Diffusion

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