Dielectric properties of CaCu3-xMgxTi4O12 (x=0.20 and 0.50) material synthesized by the semi-wet route for energy storage capacitor

Laxman Singh; U. S. Rai; N. B. Singh; Y. Lee; D. K. Mahato; Divyanshu Bhardwaj; K. D. Mandal

doi:10.1117/12.2515634

2 May 2019 Dielectric properties of CaCu_3-xMg_xTi₄O₁₂ (x=0.20 and 0.50) material synthesized by the semi-wet route for energy storage capacitor

Laxman Singh, U. S. Rai, N. B. Singh, Y. Lee, D. K. Mahato, Divyanshu Bhardwaj, K. D. Mandal

Author Affiliations +

Proceedings Volume 11020, Smart Biomedical and Physiological Sensor Technology XVI; 1102002 (2019) https://doi.org/10.1117/12.2515634
Event: SPIE Defense + Commercial Sensing, 2019, Baltimore, MD, United States

Abstract

Dielectric properties of high percentage Mg doped CaCu₃Ti₄O₁₂, CaCu_3-xMg_xTi₄O₁₂ (x=0.20 and 0.50) ceramics carried out. They were synthesized by the semi-wet route using a solution based citrate–nitrate method along with inexpensive solid TiO₂ powder. X-ray diffraction analysis reveals that the ceramics form single phase when sintered at 950 °C for 12h. SEM analyses show the smooth surfaces of grains with a spherical appearance. The grains of CCMTO2 and CCMTO5 ceramics were found to be in the size range of 1-5 μm and 1-3 μm, respectively. Dielectric studies show that the CCMTO2 ceramic has higher value of dielectric constant and lower dielectric loss in comparison to that of CCMTO5.

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Laxman Singh, U. S. Rai, N. B. Singh, Y. Lee, D. K. Mahato, Divyanshu Bhardwaj, and K. D. Mandal "Dielectric properties of CaCu_3-xMg_xTi₄O₁₂ (x=0.20 and 0.50) material synthesized by the semi-wet route for energy storage capacitor", Proc. SPIE 11020, Smart Biomedical and Physiological Sensor Technology XVI, 1102002 (2 May 2019); https://doi.org/10.1117/12.2515634

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