Abstract
The effects of electron injection were investigated in Mn-doped GaN. Electron injection introduced noticeable changes in the minority carrier diffusion length and cathodoluminescence. Recombination of nonequilibrium electron-hole pairs created by scanning electron microscopy (SEM) technique was found to cause the band-to-band cathodoluminescence. A multi-fold decrease of the band-to-band cathodoluminescence intensity in the temperature range of -50°C-80 °C. The results of the temperature-dependent cathodoluminescence measurements reveal a possible recovery of the cathodoluminescence intensity with an activation energy of 360 meV.
| Original language | English |
|---|---|
| Pages (from-to) | 3556-3558 |
| Number of pages | 3 |
| Journal | Journal of Applied Physics |
| Volume | 96 |
| Issue number | 6 |
| DOIs | |
| State | Published - 15 Sep 2004 |
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