Epitaxial barium hexaferrite on sapphire by sputter deposition

Epitaxial barium hexaferrite on sapphire by sputter deposition

Epitaxial films of barium hexaferrite (BaFe12 O19 ) have been prepared on basal-oriented sapphire substrates by rf sputter deposition of an amorphous ferrite film and crystallization of the film by annealing. Liquid phase epitaxy has been used to deposit an additional barium hexaferrite layer on top...

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Bibliographic Details
Published in:Applied physics letters Vol. 53; no. 4; pp. 340 - 341
Main Authors: YUAN, M. S, GLASS, H. L, ADKINS, L. R
Format: Journal Article
Language:English
Published: Melville, NY American Institute of Physics 25-07-1988
Subjects:
Cross-disciplinary physics: materials science; rheology
Deposition by sputtering
Exact sciences and technology
Materials science
Methods of deposition of films and coatings; film growth and epitaxy
Physics
Crystal growth
Ferromagnetic resonance
Hexagonal ferrites
Annealing
Thick film
Epitaxy
Amorphous state
Experimental study
Barium Iron Oxides Mixed
Radiofrequency sputtering
Inorganic compound
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Summary:Epitaxial films of barium hexaferrite (BaFe12 O19 ) have been prepared on basal-oriented sapphire substrates by rf sputter deposition of an amorphous ferrite film and crystallization of the film by annealing. Liquid phase epitaxy has been used to deposit an additional barium hexaferrite layer on top of the sputter deposited and annealed film. In this way films having symmetric ferromagnetic resonance peaks as narrow as 41 Oe at 60 GHz have been obtained.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.100601