Electrical conduction in n-octadecane crystals

Abstract

The currents flowing along two crystal directions, viz. parallel with and perpendicular to the molecular axis, were monitored but an apparent anisotropy in the conduction properties was removed by a voltage conditioning procedure. It is concluded that n-octadecane does not show an intrinsic DC conduction process when pure, defect-free crystals are grown. The voltage step-responses of the crystals do, however, show the logarithmic time dependence which is common to a wide range of insulators and semiconductors. Comparisons are made with results presented previously on liquid and polycrystalline n-octadecane.

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