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Geometric Factors Influencing Epitaxy in the Nickel-Silver and Silver-Nickel Systems

Electron microscopy has been used to study overlayers of Ni and Ag vacuum deposited on (111), (110) and (001) surfaces of Ag and Ni respectively. The dependence of the mode of epitaxy on the fit of crystallographic planes across the interface is discussed for Ni on (001) surfaces of Ag and for Ag on (001) surfaces of Ni.