Production year
2009
© Emmanuel PERRIN/CNRS Images
20090001_1218
Diagramme de diffraction électronique de la surface d'une couche de nitrure de gallium (GaN) placée dans une chambre d'épitaxie par jets moléculaires. La présence de lignes sur le diagramme indique que la surface de l'échantillon est lisse à l'échelle de la mono-couche atomique (quelques dixièmes de nanomètres).
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2009
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