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Water and methanol temperature programmed desorption (TPD) measurements were performed on the positive (c + ) and negative (c − ) surfaces of poled ferroelectric lithium niobate (LiNbO 3 ) single crystals. The results indicate that the molecule–surface interactions are both coverage and polarization-dependent. From a comparison of the TPD spectra for the positive and negative...
V 2 O 3 (0001) films have been grown epitaxially on Au(111) and W(110). Under typical UHV conditions these films are terminated by a layer of vanadyl groups as has been shown previously [A.-C. Dupuis, M. Abu Haija, B. Richter, H. Kuhlenbeck, H.-J. Freund, V 2 O 3 (0001) on Au(111) and W(110): growth, termination and electronic structure, Surf. Sci. 539 (2003) 99]. Electron...
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