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Picture of the month - May/June 2018

Published on July 8, 2018
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Baking contest

Photo du mois - Mai/Juin 2018

Photo du mois - Mai/Juin 2018

AlN cakes
This kind of cakes are special, because they are obtained by baking AlN by chemical vapor deposition under 1300°C on a Tungsten Carbide Cobalt (WCCo) substrate. During the experiment, cobalt reacted with H2 and Cl2 at high temperature and CoCl2 gas was formed, so AlN did not grow everywhere, and we were 'lucky' to get those delicious AlN cakes.


About the author
: Juan SU is a post-doctoral fellow in TOP group of the SIMaP laboratory.


AlN flan
The picture shows an AlN epitaxial single crystal on sapphir having the shape of a flan after an ICP etching with chlorine.



About the author: Rapahël BOICHOT is a Grenoble-INP associate professor. His research work is developped in TOP group of the SIMaP laboratory and deals with criystals growth by CVD.

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Written by Muriel Braccini

Date of update September 13, 2018

Communauté Université Grenoble Alpes