Results 171 to 180 of about 3,070 (205)
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Hexaferrite particles by coprecipitation and lyophilization
Journal of Magnetism and Magnetic Materials, 1999Fine strontium hexaferrite particles were prepared by lyophilization (known as freeze-drying) and coprecipitation of nitrates and chloride salts, respectively. The resulting powders were calcined at different temperatures between 700°C and 1100°C.
A. Calleja +5 more
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MMIC circulators using hexaferrites
IEEE Transactions on Magnetics, 2001MMIC circulators operating at K/sub A/-band have been fabricated from single crystal and polycrystalline hexaferrite platelets integrated into glass-microwave integrated circuit wafers. Measurements on circulators utilizing single crystal BaFe/sub 11.1/Sc/sub 0.9/O/sub 19/ showed two-band circulation, below-FMR (at 36 GHz) and above-FMR (at 24 GHz ...
null Ping Shi +5 more
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GeMn-substituted barium hexaferrite
2002 3rd International Conference on Microwave and Millimeter Wave Technology, 2002. Proceedings. ICMMT 2002., 2003The microwave properties have been studied on polycrystalline hexaferrite BaZn/sub 2/(GeMn)/sub 0.2/Fe/sub 15.6/O/sub 27/. The X-ray diffraction has shown that the W-type hexaferrites BaZn/sub 2/(GeMn)/sub x/Fe/sub 16-2x/O/sub 27/ can not be formed at x/spl ges/0.5.
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Hexaferrite Permanent Magnets and Applications
2022International ...
Le Breton, Jean-Marie +2 more
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Microwave absorbers based on hexaferrites
Microwave and Optical Technology Letters, 1999Microwave absorbers based on M-type hexaferrites are studied. Fine powders of the ferrite are dispersed in a polymer, and absorption measurements are carried out at X-band. A mathematical model for calculating the microwave absorption is developed. The results from the model are compared with experiment. ©1999 John Wiley & Sons, Inc.
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Preparation and characterization of hexaferrite
Journal of Magnetism and Magnetic Materials, 2005M. Küpferling +3 more
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Enhancement of coercivity of M-type barium hexaferrite by Ho doping
Materials Today: Proceedings, 2022Manoranjan Kar +2 more
exaly
Preparation and Properties of Hexaferrite Films
Journal of The Electrochemical Society, 1972R. C. Taylor, V. Sadagopan
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Analysis of the role of M-type hexaferrite-based materials in electromagnetic interference shielding
Current Applied Physics, 2021Shalom Ann Mathews, D Rajan Babu
exaly