Electrical conductivity of polysulfur nitride

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Abstract
Polysulfur nitride behaves like a one dimensional metal down to 4.2°K. The variability of the conductivity with crystal growth conditions is examined, with the best crystals showing room temperature conductivities of ∼1000 Ω−1·cm−1 along the chain axis, increasing by a factor of 11 to 13 down to 20°K and decreasing only slightly at lower temperatures. The apparent anisotropy of the conductivity is a factor of 50 at room temperature and a factor of 500 at 20°K. Thin films of (SN)x. can be prepared in which the conductivity has a low thermal activation energy presumably involving interparticle resistances. As the crystal samples improve in physical perfection, the low temperature conductivity tends to become significantly larger, and impurity scattering is observed at significantly lower temperatures.

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