SEM images of the (Ba0.5Sr0.5)3Co2Fe24O41 ferrites with different sintering methods: (a) Final-stage sintering method: 1200 °C; (b) two-step sintering method: 1200 °C→1150 °C.
(a) Measured complex permeability of sintered samples. (b) Measured complex permittivity of sintered samples.
Magneto-dielectric properties of the two-step sintered ferrite. (a) Magnetic and dielectric loss tangent. (b) Normalized impedance and miniaturization factor.
Fabricated Co2Z ferrite helical antenna.
Performance parameters of T-DMB antenna. (a) Measured return loss. (b) Measured return loss.
Magneto-dynamic properties of samples with different sintering methods at 200 MHz.
Dielectric properties of samples with different sintering methods at 200 MHz.
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