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J. Korean Ceram. Soc. > Volume 20(2); 1983 > Article
Journal of the Korean Ceramic Society 1983;20(2): 161.
산화동에 있어 온도변화에 의한 전기전도도에 관한 연구
안영필, 이희동
한양대학교 무기재료공학과
The Dependence of Electrical Conductivity of Cupric Oxide on Temperature
We studied the dependence of electrical conduction mechanism of Cupric Oxide on temperature and measured the specific resistivity of sintered specimen from $600^{circ}C$ to 90$0^{circ}C$ . We considered the relations between electrical conducti-vityand temperature with reheating the sintered specimen. X-Ray diffraction patterns showed that lattice parameters of cupric oxide increased above 20$0^{circ}C$. Cupric oxide had nostoichiometric compositions$(CuO_{1+x})$ owing to the excess oxygen and showed hole conduction with energy gap of 0.15eV below $650^{circ}C$$pm$1$0^{circ}C$ Above $650^{circ}C$$pm$1$0^{circ}C$ cupic oxide had the stoichiometric composition and showed electron-hole conduction owing to the intrinsic ionization with energy gap of 1.04V.
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