%0 Book Section %T Surface reconstruction of polycrystalline TiO_2 in oxygen atmosphere publisher IEEE %D 2003 %U 0-7803-7821-0 %@ https://hdl.handle.net/20.500.14352/60794 %X Polyerystalline TiO2 surface reconstruction in oxygen atmosphere has been investigated by atomic force microscopy (AFM) and cathodoluminescence in the scanning electron microscopy (SEM-CL). The reactivity to oxygen is related to the presence of defects as interstitial Ti ions, that induce growth of protrusions, large terraces and polygonal shaped structures. %~