Structure and electronic properties of antimony films on the Mo(110) surface |
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Authors: | D. A. Gorodetsky Yu. P. Mel’nik D. P. Proskurin V. A. Usenko |
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Affiliation: | (1) Shevchenko National University, Vladimirskaya ul. 64, Kiev, 03022, Ukraine |
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Abstract: | The structure and electronic properties of antimony on the Mo(110) surface are investigated over a wide range of coverages. In the submonolayer range, p(2×1), p(1×1), (1×3), and (1×2) adsorbate structures matched to the substrate are formed at room temperature. For coverages larger than a monolayer, three-dimensional antimony crystals whose orientation is determined by the substrate grow on the surface. Annealing of the system at temperatures higher than 1000 K leads to the formation of structures that are not observed upon condensation. The results of analyzing the electron energy-loss spectra jointly with the work function of the surface suggest the formation of surface molybdenum-antimony alloys. |
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