Abstract
Several series of indium thin films with thicnesses from 10 to 140 nm have been deposited, by vacuum evaporation, onto metal-coated glass substrates (where the metal is aluminium, chromium, nickel, zinc, molybdenum, tantalum and tungsten) and onto bare glass substrates. The morphology of the films has been studied by scanning electron microscopy. The indium films on the different substrates can be classified into two groups. For the aluminium, chromium, nickel and tantalum coatings and glass, the thinner films show complete coverage of the substrate; they are uniform and useful for rheotaxy application. For the molybdenum and tungsten coatings, the thinner films consist of isolated nuclei, and the thicker films of drops; none of the films is uniform. These different types of behaviour are attributed to the very different values of the density of nuclei in the initial stages of growth.
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