Abstract
Photoluminescence and Raman measurements are used to characterize the InxAl1‐xAs (0.48 < × <0.573)epilayers grown on InP substrate by molecular beam epitaxy. It is found that as In composition, x, deviates too much from 0.52, misfit dislocations may be introduced. These dislocations will dramatically reduce the radiative efficiency of the InAlAs epilayers. Raman spectra become broader and more asymmetry due to alloy potential fluctuations as the mismatch becomes large.
| Original language | English |
|---|---|
| Pages (from-to) | 275-280 |
| Number of pages | 6 |
| Journal | Crystal Research and Technology |
| Volume | 30 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1995 |
| Externally published | Yes |
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