Journal
INTERNATIONAL JOURNAL OF MATERIALS RESEARCH
Volume 100, Issue 10, Pages 1281-1307Publisher
CARL HANSER VERLAG
DOI: 10.3139/146.110204
Keywords
Interface energy; Surface energy; Thermodynamics; Transformations; Nanomaterials; Thin films; Amorphous solids
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Recent advances in the thermodynamic description of reactions and phase transformations at interfaces between metals, semiconductors, oxides and the ambient have been reviewed. Unanticipated nanostructures, characterized by the presence of phases at interfaces and surfaces which are unstable as bulk phases, can be thermodynamically stabilized due to the dominance of energy contributions of interfaces and surfaces in the total Gibbs energy of the system. The basic principles and practical guidelines to construct realistic, practically and generally applicable thermodynamic model descriptions of microstructural evolutions at interfaces and surfaces have been Outlined. To this end, expressions for the estimation of the involved interface and surface energies have been dealt with extensively as a function of, e.g., the film composition and the growth temperature. Model predictions oil transformations at interfaces (surfaces) in nanosized systems have been compared with corresponding experimental observations for, in particular, ultrathin (<5 nm) oxide overgrowths oil metal Surfaces, as well as the metal-induced crystallization of semi-conductors in contact with various metals.
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