Table 1.

PL positions and strain data calculated from HRXRD and TEM plus threading dislocation densities for each sample.

Sample	Strain Calculated by HRXRD	Strain Calculated by TEM	Ge PL Position	Extracted TDD in Ge by TEM (cm−2)
Global Ge	+0.25%	+0.35%	0.768 eV	2.9 × 107
SEG Ge	+0.25% −0.12%	+0.35% −0.34%	0.781 eV	3.2 × 105