Carbon & Graphite
The only non-metallic conductor, as distinct from semiconductors, which has any significant application in the electronic field, is the element carbon. The distinction between the ohmic Conductivity of carbon, which behaves in many ways as a high resistance metal, and the semiconductors is seen in the effect of impurities. Very impure semiconductors, such as silicon, also behave as metallic conductors; but when purified their conductivity falls to insulator levels. This is not true of carbon, which remains a conductor in its pure state, when in the crystalline form of graphite.
KeywordsElement Carbon Furfuryl Alcohol Vitreous Carbon Ohmic Conductivity Molten Phase
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