In this study, new compositions of Sr0.8Mg0.2(Sn1-xZrx)O-3 0.00 ≤ x ≤ 0.06 ceramics were designed and synthesized. The influence of Zr doping on the phase, microstructural, optical, and dielectric properties was thoroughly investigated.
In this work, new compositions of Sr0.8Mg0.2(Sn1-xZrx)O-3 0.00 <= x <= 0.06 ceramics are designed and synthesized by the conventional solid-state route. The influence of Zr doping on the phase, microstructural, optical, and dielectric properties is thoroughly investigated. The peaks (0 0 4) and (1 1 0) are observed to shift toward lower 2. values, due to the variation of the ionic radius between Zr4+ and Sn4+. X-ray diffraction patterns reveal the orthorhombic structure with the space group Pbnm. Scanning electron microscopy images reveal the presence of pores and particles with a high degree of agglomeration. The functional groups and modes of vibration are determined by Fourier transform infrared spectroscopy of the prepared metal oxide samples. The existence of green emission of all the synthesized samples around 554.91 nm is identified by photoluminescence spectroscopy. The dielectric properties of the fabricated samples are measured by using an impedance analyzer. The values of the tangent loss and relative permittivity are found to decrease with increasing frequency.
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