Surface Nano-Structuring by Adsorption and Chemical ReactionsReport as inadecuate


Surface Nano-Structuring by Adsorption and Chemical Reactions


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Saitama Institute of Technology, Research Center of Advanced Sciences 1690 Okabe, Fukaya, Saitama, Japan





Abstract Nano-structuring of the surface caused by adsorption of molecules or atoms and by the reaction of surface atoms with adsorbed species are reviewed from a chemistry viewpoint. Self-assembly of adsorbed species is markedly influenced by weak mutual interactions and the local strain of the surface induced by the adsorption. Nano-structuring taking place on the surface is well explained by the notion of a quasi-molecule provided by the reaction of surface atoms with adsorbed species. Self-assembly of quasi-molecules by weak internal bonding provides quasi-compounds on a specific surface. Various nano-structuring phenomena are discussed: i self-assembly of adsorbed molecules and atoms; ii self-assembly of quasi-compounds; iii formation of nano-composite surfaces; iv controlled growth of nano-materials on composite surfaces. Nano-structuring processes are not always controlled by energetic feasibility, that is, the formation of nano-composite surface and the growth of nano-particles on surfaces are often controlled by the kinetics. The idea of the -kinetic controlled molding- might be valuable to design nano-materials on surfaces. View Full-Text

Keywords: self-assembly; nano-structuring; nano-dots and lines; formation and array of quasi-compounds; reaction of surface atoms; phase boundaries; reconstruction; Cu100; Cu110; Ag110; Ni110; Au111-hex; Si111-7 × 7; electronic and magnetic properties of nano-metals self-assembly; nano-structuring; nano-dots and lines; formation and array of quasi-compounds; reaction of surface atoms; phase boundaries; reconstruction; Cu100; Cu110; Ag110; Ni110; Au111-hex; Si111-7 × 7; electronic and magnetic properties of nano-metals





Author: Ken-ichi Tanaka

Source: http://mdpi.com/



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