Accepted Manuscript Full Length Article XPS Characterization of SmNbO 4 and SmTaO 4 Precursors Prepared by Sol-Gel Method Helena Brunckova, Maria Kanuchova, Hristo Kolev, Erika Mudra, Lubomir Medvecky PII: S0169-4332(18)33483-4 DOI: https://doi.org/10.1016/j.apsusc.2018.12.143 Reference: APSUSC 41240 To appear in: Applied Surface Science Received Date: 28 June 2018 Revised Date: 11 November 2018 Accepted Date: 14 December 2018 Please cite this article as: H. Brunckova, M. Kanuchova, H. Kolev, E. Mudra, L. Medvecky, XPS Characterization of SmNbO 4 and SmTaO 4 Precursors Prepared by Sol-Gel Method, Applied Surface Science (2018), doi: https:// doi.org/10.1016/j.apsusc.2018.12.143 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.