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CaCu3Ti4O12 or calcium copper titanite (CCTO) electroceramics is viably produced with an enhanced process in order to tackle the dielectric loss problem in microelectronic industry. In this study, the influence of microwave radiation temperature during calcination to the electrical properties was investigated. The CCTO samples undergo synthesis process using a solid-state reaction route. The calcination process was conducted for 1 hour at different calcination temperatures (500-800°C) using microwave furnace set at the frequency of 2.45GHz. An enhanced silicon carbide (SiC)-based susceptor was used as crucible to accelerate the process. The result of X-Ray Diffraction (XRD) pattern shows that the phase formation of cubic perovskite CCTO is partially formed after calcination at more than 500°C for 1 hour, but the single-phase CCTO does not form completely during this time duration. The Scanning Electron Microscopy (SEM) analysis shows that with the increasing of calcination temperature, there are patterns of reduction in porosity and grain growth of the sintered CCTO pellets. Dielectric properties also increase within the frequency range of 1 GHz to 10 GHz with the increasing calcination temperature.

Effect of Calcination Temperature to the Dielectric Properties of CaCu3Ti4Oi2 using Enhanced Microwave Processing

Effect of Calcination Temperature to the Dielectric Properties of CaCu₃Ti₄Oi₂ using Enhanced Microwave Processing