Table 1 Raman peak for relaxed (phonon confinement model) and embedded (experimental) Ge nanocrystals and estimated hydrostatics stress
Sample | Nanocrystal distribution | Ge-Ge phonon peak position | Stress | |||
---|---|---|---|---|---|---|
Diameter (nm) | FWHM (nm) | Density (cm-2) | Experimental (embedded) (cm-1) | Phonon confinement (relaxed) (cm-1) | P (GPa) | |
A-800 | 7.1 | 2.6 | 3.5 × 1011 | 301.5 | 297.4 | 1.2 |
A-900 | 13 | 6 | 2.6 × 1011 | 301.2 | 298.4 | 0.8 |
F-800 | 3.9 | 2.1 | 5.8 × 1012 | 303.3 | 294.2 | 2.6 |
F-900 | 10 | 4 | 1.3 × 1012 | 302.7 | 297.9 | 1.4 |