Thermal Behavior of TiO_2-𝑥N_𝑥 Nanostructured Powder

Table 1

Surface area and porosity of TiO₂ and TiO_2-xN_x nanostructured powders.

Sample	Phases composition by XRD	Surface area by BET m^2/g	Total porosity volume cm^3/g
Starting TiO2-sample A	Anatase	63.3	0.357
TiO2-xNx-sample B	Anatase	151	0.839
TiO2-xNx-sample B annealed to 950^°C	Rutile	2.7	0.016