Abstract
In this paper, we investigate negative permittivity and permeability behaviors of Ag/Zr0.9Ni0.1O y nanocomposites consisting of Ag nanowires embedded in Ni-doped zirconia (Zr0.9Ni0.1O y ) dielectric. The Ag/Zr0.9Ni0.1O y nanocomposites with different atomic ratios of Ag were prepared by a co-precipitation process. X-ray diffraction analysis reveals that the silver nanoparticles crystallize in cubic structure with preferred orientation along the [220] direction. Scanning electron microscope studies reveal that grains are prolate spheroid structures and uniformly distributed in the dielectric medium. The experimental data of the negative permittivity are fitted well by the Drude model. The results show that the Ag/Zr0.9Ni0.1O y nanocomposites enhance double-negative properties. Also, by changing the aspect ratio of Ag, variation of permittivity and permeability changes are introduced.
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Gholipur, R., Khorshidi, Z. & Bahari, A. A Study on Double Negative Properties of Metal–Dielectric Nanocomposites. JOM 68, 1577–1582 (2016). https://doi.org/10.1007/s11837-016-1926-x
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DOI: https://doi.org/10.1007/s11837-016-1926-x