Table 3 Initial permeability, and permeability loss factor, Tanδµ values for La substituted Mn-Zn ferrites i.e., for Mn0.6Zn0.2La0.2Fe2O4 and Mn0.6Zn0.4La0.2Fe2O4 nanoferrites (Calcined at 450oC) as a function of frequency.
From: Impact of lanthanum doping on crystal structure and magnetic anisotropy of Mn-Zn soft nanoferrites
FREQUENCY (kHz) | Mn0.6Zn0.2La0.2Fe2O4 | Mn0.6Zn0.4La0.2Fe1.8O4 | ||
|---|---|---|---|---|
\(\:{\varvec{\mu\:}}^{\varvec{{\prime\:}}}=\:\frac{{\varvec{M}}_{\varvec{s}}^{2}{\varvec{D}}_{\varvec{m}}}{{\varvec{K}}_{1}}\) | tanδµ | \(\:{\varvec{\mu\:}}^{\varvec{{\prime\:}}}=\:\frac{{\varvec{M}}_{\varvec{s}}^{2}{\varvec{D}}_{\varvec{m}}}{{\varvec{K}}_{1}}\) | tanδµ | |
75 | 887 | 0.001 | 1214 | 0.0008 |
120 | 581 | 0.002 | 698 | 0.001 |
150 | 404 | 0.004 | 486 | 0.004 |
200 | 213 | 0.015 | 253 | 0.01 |
250 | 101 | 0.05 | 118 | 0.04 |
