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Nanolevel Structuring - Design of Novel Functional Highly-Organized Solids and Materials

Vladimir Smirnov ,  Olga Osmolowskaia 

Chemistry Department, Saint Petersburg State University, Saint-Petersburg, Russian Federation

Abstract

The perspectives of the high precision solid-state chemical synthesis of highly-organized nanostructured solids and materials of various levels of microscopic organization are discussed. The accuracy of the synthesis is ~0.1 nm. The structural organization of substances, i.e., space ordering of substance structural units, can be performed by the self-organization processes or the processes of forced structural organization.
We prove that the chemical processes which can be controlled at the atomic-molecular level are of great importance to synthesize artificial structures of various topologies. The control is performed by sequential surface chemical reactions of functional groups (active centers) with low-molecular substances. This synthesis allows the space-time organization of chemical interaction between molecules and solids to be produced. In this context this process is similar to the organization of biosynthesis processes.
Using the formation of a two-dimensional surface oxide nanolayers with a thickness of 5-50A as an example we consider the possibility to create a variety of space distributions of atoms of an artificially synthesized substance and represent the examples of oxide nanostructures, containing d -and f-elements.
Some peculiarities of the highly-organized structures of a "frame-within-a frame" type of material (Fe-based composites as an example) will be discussed. It is important that the temperature of such procees is significantly below tan a melting point of these metal .
This work was financially supported by the Russian Foundation for Basic Research (Grant No. 03-03-06161) and by the Scientific School Program (grant No. NSh-2236.2003)

 

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Related papers

Presentation: poster at E-MRS Fall Meeting 2003, Symposium F, by Olga Osmolowskaia
See On-line Journal of E-MRS Fall Meeting 2003

Submitted: 2003-05-27 15:20
Revised:   2009-06-08 12:55