Fig. 4: Effect of thermal annealing on structure of amorphous SiO2 derived from siliceous zeolite (SZ). | Communications Chemistry

Fig. 4: Effect of thermal annealing on structure of amorphous SiO2 derived from siliceous zeolite (SZ).

From: Siliceous zeolite-derived topology of amorphous silica

Fig. 4

a S(k) of densified amorphous SiO2 from b-SZ after cold-compressed with 20 GPa (C20-bSZ) and that of cold-compressed amorphous SiO2 after thermal annealing at 750 °C for 1 h; the S(k) of pristine GS is also shown for comparison. b Enlarged S(k) of densified SZs plotted together with that of pristine GS.

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