Microwave Measurements of the Complex Permittivity of Zirconia at High Temperatures | ||||
Egyptian Journal of Solids | ||||
Article 3, Volume 27, Issue 1, 2004, Page 25-34 PDF (139.46 K) | ||||
DOI: 10.21608/ejs.2004.149305 | ||||
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Abstract | ||||
The real and the imaginary parts of the complex permittivity of zirconia were measured at frequencies from 614.39 to 3820.66 MHz and over the temperature range 20 – 1800 oC. Two systems of the cavity perturbation techniques were used, one in King Abdulaziz, University Saudi Arabia, and the other in the University of Nottingham, United Kingdom. The electrical conductivity and the activation energy of zirconia were calculated from these measurements. The conduction mechanisms of zirconia, at high temperatures in the microwave region, have been studied using these calculations. 1. Introduction: | ||||
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