ORIENTATION OF THE MAGNETIC IONS IN MONOVALENT AND DIVALENT DOPED Sr-Zn W-TYPE HEXAGONAL FERRITES
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چکیده
منابع مشابه
Microstructural and high-frequency magnetic characteristics of W-type barium ferrites doped with V2O5
The microstructure, static, and dynamic magnetic properties have been investigated for BaCoZnFe16O27 doped with small amounts of V2O5 from 0 to 1.5 wt %. The results show that the doping of V2O5 can significantly improve the dynamic properties of W-type barium ferrites at microwave frequency. As compared to the undoped sample, the permeabilities m08 and mmax 9 increase by about 42% and 67%, res...
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We have studied the integration of Ni-Cu-Zn ferrite spinels as well as substituted hexagonal Co2Y-and M-type ferrites into LTCC (Low Temperature Ceramic Co-firing) modules. The cofiring behavior and the magnetic properties of these materials were investigated and evaluated for multilayer applications. Ni-Cu-Zn ferrites exhibit permeabilities of μ = 300 – 500 for operating frequencies in the MHz...
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چکیده ندارد.
Interfacial Dielectric Losses in Co-Doped Ni-Zn Ferrites
The temperature and fresuency dependence of tg8 and E' for Nk ~Ztb ferrites was studied in the 10'lo6 Hz frequency range and 20-200°C temperrhrre tange. The experimental curves exhibit aspects very dependent of composition. To verify Ulat interfacial losses, expected to appear in this type of system are compatible with the experimental results a calculation of the dielectric permittivity and di...
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Biosorption of monovalent ions Na+ and K+, by deactivated protonated yeast (Saccharomyces cerevisiae) at controlled pH, was compared with biosorption of divalent ions Ca2+ and Mg2+ to help to understand the underlying bindingmechanisms. The adsorption for monovalent ions was accompanied by H+ release. Divalent ions were sorbed by proton displacement, and also an additional mode not accompanied ...
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ژورنال
عنوان ژورنال: Journal of the Magnetics Society of Japan
سال: 1998
ISSN: 0285-0192,1880-4004
DOI: 10.3379/jmsjmag.22.s1_46