Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.1861514
Title: Microstructural and high-frequency magnetic characteristics of W -type barium ferrites doped with V 2 O 5
Authors: Wu, Y.P. 
Ong, C.K. 
Li, Z.W. 
Chen, L. 
Lin, G.Q. 
Wang, S.J.
Issue Date: 2005
Citation: Wu, Y.P., Ong, C.K., Li, Z.W., Chen, L., Lin, G.Q., Wang, S.J. (2005). Microstructural and high-frequency magnetic characteristics of W -type barium ferrites doped with V 2 O 5. Journal of Applied Physics 97 (6) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1861514
Abstract: The microstructure, static, and dynamic magnetic properties have been investigated for BaCoZnFe16 O27 doped with small amounts of V2 O5 from 0 to 1.5 wt %. The results show that the doping of V2 O5 can significantly improve the dynamic properties of W -type barium ferrites at microwave frequency. As compared to the undoped sample, the permeabilities μ0′ and μ max ″ increase by about 42% and 67%, respectively, for the sample doped with 1.0 wt % of V2 O5. Due to the V2 O5 doping, perfect hexagonal-plate grains are formed, leading to the decrease in the natural resonance frequency, due to the large demagnetizing effect. The predicted reflection loss shows that the maximum relative bandwidth Wmax = fup flow reaches 3.9 for attenuation of more than 10 dB in the sample doped with 1.0 wt % of V2 O5. This is a good candidate for electromagnetic materials with low reflectivity and broadband at microwave frequency. © 2005 American Institute of Physics.
Source Title: Journal of Applied Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/114904
ISSN: 00218979
DOI: 10.1063/1.1861514
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