Temperature dependence of energy transfer mechanisms in Eu-doped GaN
The temperature dependent behavior of continuous-wave and time-resolved
photoluminescence of Eu-doped GaN in the visible region is measured for both the D 0 5→
F 2 7 and D 0 5→ F 3 7 transitions. The radiative decay of these transitions, following pulsed
laser excitation of the GaN host, is monitored by a grating spectrometer and photomultiplier
tube detector system. In addition to these two radiative energy transfer pathways within Eu
3+, the data reveal two nonradiative energy transfer paths between Eu 3+ and the host GaN …
photoluminescence of Eu-doped GaN in the visible region is measured for both the D 0 5→
F 2 7 and D 0 5→ F 3 7 transitions. The radiative decay of these transitions, following pulsed
laser excitation of the GaN host, is monitored by a grating spectrometer and photomultiplier
tube detector system. In addition to these two radiative energy transfer pathways within Eu
3+, the data reveal two nonradiative energy transfer paths between Eu 3+ and the host GaN …
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