Figure 8

XPS results of composite fiber heat-treated at 550°C then preserved heating in NH 3 . (A) Ti2p, (B) C1s, (C) N1s,, and (D) O1s.
XPS results of composite fiber heat-treated at 550°C then preserved heating in NH 3 . (A) Ti2p, (B) C1s, (C) N1s,, and (D) O1s.