Ba Fe 12 O 19 thin films grown at the atomic scale from BaFe2O4 and α-Fe2O3 targets

Hexagonal barium ferrite (BaFe12O19) thin films were grown at the atomic scale by alternating target laser ablation deposition (ATLAD) of orthorhombic BaFe2O4 and rhombohedral α-Fe2O3 on ⟨00l⟩ Al2O3 substrates. Crystallographic, magnetic, and microwave properties of the ATLAD films were determined t...

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Bibliographic Details
Published in:Applied physics letters 2007-10, Vol.91 (16)
Main Authors: Geiler, A. L., Yoon, S. D., Chen, Y., Chinnasamy, C. N., Chen, Z., Geiler, M., Harris, V. G., Vittoria, C.
Format: Article
Language:English
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Summary:Hexagonal barium ferrite (BaFe12O19) thin films were grown at the atomic scale by alternating target laser ablation deposition (ATLAD) of orthorhombic BaFe2O4 and rhombohedral α-Fe2O3 on ⟨00l⟩ Al2O3 substrates. Crystallographic, magnetic, and microwave properties of the ATLAD films were determined to be comparable with single crystal quality bulk and films of BaFe12O19 produced by other techniques. The ability to deposit high quality hexagonal ferrite thin films by utilizing multiple targets of different chemical compositions in the deposition routine provides unique opportunities to control the ionic distribution in the unit cell of this important class of ferrite materials.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.2800890