Magneto-optical properties of iron oxide films

Magneto-optical properties of iron oxide films

Iron oxide films have been grown onto MgO and oxidized silicon substrates using pulsed laser deposition with a 248 nm excimer laser. The films were deposited in a vacuum from an α-Fe2O3 target. Films grown epitaxially on MgO consisted of the ferrimagnetic γ-Fe2O3 phase, with an average saturation ma...

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Veröffentlicht in:Journal of applied physics 2003-05, Vol.93 (10), p.6948-6950
Hauptverfasser: Tepper, T., Ilievski, F., Ross, C. A., Zaman, T. R., Ram, R. J., Sung, S. Y., Stadler, B. J. H.
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container_end_page 6950
container_issue 10
container_start_page 6948
container_title Journal of applied physics
container_volume 93
creator Tepper, T.
Ilievski, F.
Ross, C. A.
Zaman, T. R.
Ram, R. J.
Sung, S. Y.
Stadler, B. J. H.
description Iron oxide films have been grown onto MgO and oxidized silicon substrates using pulsed laser deposition with a 248 nm excimer laser. The films were deposited in a vacuum from an α-Fe2O3 target. Films grown epitaxially on MgO consisted of the ferrimagnetic γ-Fe2O3 phase, with an average saturation magnetization of 353±26 kA/m. The Faraday rotation of the γ-Fe2O3 films was measured at 645 nm and 1550 nm wavelengths, and was found to be 4 and 2.5 degrees/μm, respectively. It is assumed that the high Faraday rotation, accompanied by a relatively high absorption, is associated with a transition of Fe2+ ions in octahedral sites.
doi_str_mv 10.1063/1.1540033
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title Magneto-optical properties of iron oxide films
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