Table 2 The E2(high) phonon frequencies (cm−1) observed at 300 K and the calculated stress and strain
From: Optical Performance of Top-Down Fabricated AlGaN Nanorod Arrays with Multi-Quantum Wells Embedded
GaN | Al0.5Ga0.5N | |||||
|---|---|---|---|---|---|---|
Raman shift (cm−1) | Stress (GPa) | Strain | Raman shift (cm−1) | Stress (GPa) | Strain | |
PLA | 576.6 | − 2.82 | − 0.59% | 591.3 | − 1.63 | − 0.34% |
NR | 568.1 | − 0.32 | − 0.07% | 588.3 | − 0.71 | − 0.15% |