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Mn-Zn ferrite with MoO3 and other oxide additives

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3 Author(s)
Ono, K. ; FDK Corp., Shizuoka, Japan ; Fukunaga, S. ; Matsuo, Y.

We studied the effects of mixing a high-permeability Mn-Zn ferrite with two different additives simultaneously-MoO3 (known to promote grain growth) and another oxide having a low melting point. We found that, paired with MoO3, V2O5 had an effect of speeding up ferrite shrinkage, thereby enabling the sintering of ferrites in a shorter time or at a lower temperature. Similarly coupled with MoO3, PbO had an effect of increasing the ferrite shrinkage rate, resulting in a higher permeability of the ferrite with an initial-permeability measurement of 25,500

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Magnetics, IEEE Transactions on  (Volume:35 ,  Issue: 5 )