Fig 1.
The XRD—X-ray diffraction graph, with the chemical composition of Ni0.5Zn0.5Ce0.02Fe1.98O4 ferrite produced by sol-gel auto ignition procedure.
Table 1.
XRD parameters of cerium doped NiZn ferrite.
Fig 2.
SEM microphotograph for Ni0.5Zn0.5Ce00.2Fe1.98O4 ferrite.
Fig 3.
Complex permittivity of cerium doped NiZn ferrite annealed at 700°C.
Fig 4.
Complex permeability of cerium doped NiZn ferrite annealed at 700°C.
Fig 5.
Variation of dielectric loss tangent (tan δε) and magnetic loss tangent (tan δμ) with frequency for cerium doped NiZn ferrite annealed at 700°C.
Fig 6.
Hysteresis loop of cerium doped NiZn ferrite, heated at 700°C during four hours.
Table 2.
Magnetic parameters of Ni0.5Zn0.5Ce0.02Fe1.98O4 nanoferrite.
Fig 7.
(a) window grill component (b) double inverted spiral component (c) grounded Copper d) comprehensive MIMO antenna display.
Fig 8.
FEM technique utilized to calculate the S-parameters of 4x4 MIMO antennas, constructed on a ferrite.
Fig 9.
Effect of change in parameter ‘P’ on S-parameters.
Fig 10.
Effect of changing the parameter ‘Q’ on the S-parameters.
Fig 11.
Effect of changing parameter T on S parameters.
Fig 12.
The ECC value among the antennas of the 4x4 MIMO configurations.
Fig 13.
CCL analysis of 4x4 MIMO antenna.
Fig 14.
Surface current distribution with cerium doped NiZn ferrite substrate.
Fig 15.
Antenna 1, 2D radiation pattern with ferrite substrate.
Fig 16.
Antenna 1, radiation efficiency graph with ferrite as substrate.
Fig 17.
Antenna 1, gain at 3.5 and 4.8GHz.
Fig 18.
The gain plot of Antenna 1 utilizing the ferrite substrate.
Table 3.
Comparative analysis among recent MIMO antennas.