Table 1.
Piezospectroscopic constants for R1 and R2 fluorescence peaks in sapphire19.
| R 1 | R 2 | |
|---|---|---|
| Πa | 2.98 cm–1/GPa | 2.64 cm–1/GPa |
| Πc | 1.64 cm–1/GPa | 2.32 cm–1/GPa |
| Πp | 7.6 cm–1/GPa | 7.6 cm–1/GPa |
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