Abstract
The need for miniaturization and low-weight global positioning system (GPS) patch antennas has led scientists to look for suitable dielectric materials. Zinc aluminate (ZnAl 2 O 4 ) composite dielectric ceramic is a suitable material for the microwave applications by virtue of their high-quality factor, low return loss, and better conductivity. In this paper, we report structural, chemical, morphological, and dielectric properties of sol–gel derived ZnAl 2 O 4 nanoparticles. The prepared nanoparticles found wurtzite crystallinity of ZnO with its crystallite size 10 nm. The morphological study revealed the spherical nanocrystals having their average diameter of 14 nm. Furthermore, we have performed the dielectric permittivity and loss of the prepared ceramic and found decreased with the increased frequency.
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