Desorption kinetics of condensed phases Two-dimensional phases of silver on Ge(111)
作者： M. Bertucci , G. Le Lay , M. Manneville , R. Kern
DOI: 10.1016/0039-6028(79)90266-8
关键词: Condensation 、 Desorption 、 Crystallite 、 Germanium 、 Phase (matter) 、 Crystallography 、 Surface diffusion 、 Atom 、 Epitaxy 、 Materials science 、 Analytical chemistry
摘要: Abstract Silver condenses on germanium (111) according to the Stranski-Krastanov growth mechanism. It forms initially a two-dimensional Ge(111)4 × 4-Ag phase with four silver atoms per sixteen atoms, then more dense Ge(111)√3 √3-Ag 0.85 Ag atom. These phases are followed by epitaxial condensation of three-dimensional crystallites Ge(111). The desorption kinetics studied in monophased domain as well biphased domain. We find for both domains an island model which occurs indirectly via surface diffusion.
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