EPITAXIAL SILVER HALIDE FILMS

Abstract
Continuous, oriented films of AgBr and AgCl with either {200} or 111 surfaces can be made, by vacuum deposition, with thicknesses of 0.1 μ or greater. Discontinuous but self‐supporting AgI films can also be made, but only in the {111} orientation, and apparently containing some hexagonal as well as cubic AgI. AgBr films have an ionic conductivity that is evidently surface controlled, and is an order of magnitude greater for {111} films than for {200}.