Surface states, surface potentials, and segregation at surfaces of tin-doped In2O3

作者: Y. Gassenbauer , R. Schafranek , A. Klein , S. Zafeiratos , M. Hävecker

DOI: 10.1103/PHYSREVB.73.245312

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摘要: Surfaces of In 2 O 3 and tin-doped In 2 O 3 (ITO) were investigated using photoelectron spectroscopy. Parts of the measurements were carried out directly after thin film preparation by magnetron sputtering without breaking vacuum. In addition samples were measured during exposure to oxidizing and reducing gases at pressures of up to 100 Pa using synchrotron radiation from the BESSY II storage ring. Reproducible changes of binding energies with temperature and atmosphere are observed, which are attributed to changes of …

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