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Electrochemistry and pore formation in III-V compounds

Subject Area Physical Chemistry of Solids and Surfaces, Material Characterisation
Term from 2000 to 2006
Project identifier Deutsche Forschungsgemeinschaft (DFG) - Project number 5283300
 
The proposed project aims at combining the detailed knowledge about the electrochemistry of III-V compounds (Moldavia) and Si (Germany) for a more detailed understanding of the interface processes in general and pore etching in particular. Experimental work will be focussed in Kiel; Moldavia supplies an experienced PhD student, specimens and III-V know-how. The project starts with a thorough investigation of electrochemical specifica in III-V compounds employing the methods and tools as well as suitable components of a general model developed in Kiel for Si. First experiments with III-V materials have been successful and validate the approach. The aim is to improve the general understanding of III-V electrochemistry and to find etching conditions which allow to generate pore structures and morphologies similar to the well known macro- and mesopores in Si. The production of photonic crystals is a specific goal within this context. It is expected that the close collaboration of III-V and Si etching specialists will generate some spin-off for the pore etching in Si, too, which, although much more thoroughly investigated than III-V compounds, is still not understood very well.
DFG Programme Research Grants
International Connection Moldova
Participating Person Professor Dr. Ivan Tiginyanu
 
 

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