Cathodoluminescence spectrum of Europium-doped yttrium oxide particle measured with Vulcan system. Europium ion d-to-f interband transitions produce narrow emission lines; excellent energy resolution of Vulcan™ system resolves two spectral peaks with peak-to-peak separation of only 1.6 meV.
Methods
Acquired using JEOL 2100F
STEM mode
200 kV
Room temperature.