Preparation of Atomically Smooth TiO₂ Single Crystal Surfaces and Their Photochemical Property

Abstract

Calculations of the electronic structure and X-ray spectra of the MO{'-(M = Ti, V, Mn, Fe, CO, Ni) clusters, modeling the respective solid-state monoxides, have been performed by the X,-DV method. The main purpose of the present work was to investigate an influence of the resonant emission processes on the X-ray emission spectra of the monoxides. It has been shown, that resonant emission can appreciably affect the shape of the ML,, ,and, to an even greater degree, the MM,, ,-X-ray emission spectra of the 1.h.s. transition 3d-metal monoxides.

Preparation and structure of a single Au atom on the TiO2(110) surface: control of the Au–metal oxide surface interaction

“…20 , 21 The Japan). Au coverage was estimated from X-ray photoelectron spectroscopy (XPS) peak area ratios of Au 4f 7/2 to Ti 2p 3/2 .…”

“…For this purpose, we have to understand the origins of the metalmetal oxide interactions so that we can regulate the interaction. Recently, we have discussed this point using polarization dependent total reflection fluorescence X-ray absorption fine 20 structure (PTRF-XAFS) studies of single crystal oxide surfaces. 1 XAFS is an oscillatory feature that appears near and above the X-ray absorption edge.…”

Chemical trend of Fermi-level shift in transition metal-doped TiO2 films

“…8) 2. Experimental procedures TM:TiO 2 epitaxial films were fabricated by combinatorial LMBE on atomically flat Nb-doped (0.5 wt %) TiO 2 (110) single crystal substrates 9) by ablating M 0.05 Ti 0.95 O 2 (M = V, Cr, Mn, Fe, Co, Ni) sintered targets with a KrF excimer laser (³1.5 J/cm 2 , 5 Hz). The oxygen partial pressure and the substrate temperature during film growth were 1 © 10 ¹5 Torr and 300°C, respectively.…”

Atomically flat reconstructed rutile TiO2(001) surfaces for oxide film growth

“…This effect was ascribed to impurity removal from the TiO 2 surface. 30 The TiO 2 substrates were subsequently annealed in a tube furnace in air or ultra-high purity oxygen. An alumina boat was used to load the substrates.…”