(a) MOCVD with Al(O i Pr) 3 as the precursor can be used to deposit -Al 2...

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(a) MOCVD with Al(OiPr)3 as the precursor can be used to deposit α-Al2O3. Outline the principle of MOCVD, commenting on the required properties of the precursors.

(b) Fibres of InN can be grown at 476K by the following reaction; nano-sized metal droplets act as catalytic sites for the formation of the crystalline fibres.

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When tBu3In replaces IntBu2(N3), only amorphous products and metallic In are obtained. What is the likely role of the 1,1-dimethylhydrazine in the reaction, and what appears to be the primary source of nitrogen for the InN? Group 13 nitrides have applications in blue/violet LED displays. What controls the wavelength of emitted light in compounds of this type?

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Inorganic Chemistry

ISBN: 9781292134147

5th Edition

Authors: Catherine Housecroft

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