Determination of X-Ray Diffraction on the Phase Transformation of Microwave-Assisted Titanate Nanotubes during Thermal Treatment

Figure 4

The dependence of 𝑘_obs on the MTNTs calcined at the progressively temperatures (25∼700^∘C) under the atmospheres of 20%  O₂/80%  N₂ and (b) 20%  H₂/80% N.

(a)

(b)