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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 12, Number 2
JKCSEZ 12(2)
April 20, 1968

Title	A Study on the Conductivity of Polycrystalline Semiconductor Nickel Oxide NiO의 Semiconductivity에 관한 연구
Author	Jae Shi Choi, Chul Hyun Yo 최재시, 여철현
Keywords
Abstract	The conductivity of polycrystalline NiO is measured in the temperature range of 200℃ to 800℃ under oxygen pressures from 1.52 × 102 mmHg to 10-4 mmHg. The plots of the log σ vs 1/T at constant oxygen pressure are found to be linear and the activation energies obtained from the slopes of these plots show that the energies are greater under high oxygen pressure than under low pressure. The transition points are found from the curves. The dependence of the conductivity on the O2 pressure, in rthe above temperature range, is to be regular but it does not obey the theoretical expression, i.e. σ = KoxP1/6. The activation energies are calculated from the curves at the various condition.
Page	39 - 43
Full Text	PDF

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