Assertion: titanium dioxide's index | /r/CapableOf | increase with the annealing temperature
Facets:
value: from 350°c
type: OTHER
Source sentences:
text: However, the refractive index increased with the annealing temperature from 350°C to 450°C; they thought that the film became denser as the annealing temperature increased above 350°C because the refractive index showed the densification of the film.