Effect of Zr<sup>4+</sup> on the structural and microwave dielectric properties of CaTiO<sub>3</sub> ceramics
Abid ZamanDepartment of Physics, Riphah International University, Islamabad, PakistanSarir UddinNasir MehboobDepartment of Physics, Riphah International University, Islamabad, PakistanAsad AliDepartment of Physics, Riphah International University, Islamabad, PakistanAbid AhmadDepartment of Physics, Riphah International University, Islamabad, PakistanKhalid BashirDepartment of Physics, Riphah International University, Islamabad, Pakistan
2021en
ABI
Annotatsiya
The new ceramic composite of Ca(ZrxTi1-x)O3 had been prepared using the conventional mixed oxide solid state reaction method. The effects of Zr4+ ions substation over Ti4+ ions on the microwave dielectric properties of the CaTiO3 ceramics were investigated. The phase analysis showed that the specimens Ca(ZrxTi1-x)O3 presented single phase with orthorhombic structure in the range of x = 0.0–0.7 when sintered at 1300 °C for 3 h. The addition of Zr4+ facilitated the formation of large round-like grains with porous microstructure. The solid solution with x = 0.7 sintered at 1300 °C for 3 h showed a good combination of dielectric properties: εr=64, Q*f=3937GHz and ρrel=81.08% (at 2.5 GHz).
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