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Effect of CuO on the Sintering Behavior and Dielectric Characteristics of Titanium Dioxide
Author(s) -
Shin ChangKeun,
Paek YeongKyeun,
Lee HyungJoo
Publication year - 2006
Publication title -
international journal of applied ceramic technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.4
H-Index - 57
eISSN - 1744-7402
pISSN - 1546-542X
DOI - 10.1111/j.1744-7402.2006.02106.x
Subject(s) - materials science , sintering , dielectric , titanium dioxide , porosity , grain size , titanium , oxygen , grain growth , dielectric loss , chemical engineering , composite material , metallurgy , chemistry , optoelectronics , organic chemistry , engineering
The sintering behavior and dielectric characteristics of a titanium dioxide (TiO 2 ) were investigated by adding CuO. The addition of CuO lowered the sintering temperature of the TiO 2 . At a given temperature, the densification and grain growth rate for a TiO 2 with CuO were enhanced, compared with those of pure TiO 2 . The results suggest that CuO acts as an activator for the sintering of TiO 2 . Dielectric constant and loss were also examined for both pure and CuO added TiO 2 samples. The variations of dielectric constant and loss were discussed in terms of grain size, porosity, and oxygen deficiency.