Structural, dielectric, and conductivity studies of strontium-doped Gd2NiMnO6 perovskite

被引:0
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作者
Nazima Nazir
Mohd Ikram
机构
[1] National Institute of Technology,Solid State Research Laboratory, Department of Physics
来源
Journal of Materials Science: Materials in Electronics | 2020年 / 31卷
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摘要
In this contribution, the structural, electrical, dielectric, and microstructural properties of double perovskite Gd2NiMnO6 doped with strontium were presented. The strontium-doped double perovskite Gd2–xSrxNiMnO6 (x = 0, 0.1 & 0.3) was synthesized by using the solid-state reaction method. The X-ray diffraction and scanning electron microscopy characterization techniques were used to investigate the structural and surface morphological properties. The Rietveld refinement depicted the formation of pure phase having a P21/n monoclinic space group. A decrease in grain size and crystallite size was found with the dopant concentration increase, resulted in enhancement of dielectric constant of the material. The frequency- and temperature-dependent dielectric study revealed increase in dielectric constant and decrease in dielectric loss with the increase in dopant concentration. Apart from dielectric studies, the conductivity studies revealed decrease in conductivity with the increase in Sr doping, supporting the dielectric properties. In conclusion, the synthesized material is functional, has high dielectric constant, low dielectric losses and low conductivity, and, hence, it can be considered as a potential candidate for high k dielectric materials.
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页码:23002 / 23011
页数:9
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