Abstract

The molecular arrangements in sputtered amorphous selenium thin films have been determined by transmission electron diffraction. The radial distribution function shows a strong resemblance to that of liquid selenium at 350° C. A model of the atomic arrangement has been obtained by a Monte Carlo perturbation of an array of randomly positioned atoms within a 20 Å sphere. The final configuration may be described as a mixture of approximately 40% distorted chains and 60% distorted rings.

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