Quantum-well states and resonances in thin single-crystal layers of noble metals on W(110) substrates |
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| Authors: | D V Vyalykh A M Shikin G V Prudnikova A Yu Grigor’ev A G Starodubov V K Adamchuk |
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| Institution: | (1) Institute of Physics (Petrodvorets Branch), St. Petersburg State University, ul. Pervogo maya 100, Petrodvorets, 198904, Russia;(2) Free University of Berlin, Arnimalle 14, 14195 Berlin-Dahlem, Germany |
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| Abstract: | This paper reports on the first experimental observation of quantum-well states and sp-type resonances in thin single-crystal gold, silver, and copper layers formed on single-crystal W(110) surfaces, which result from spatial localization of Bloch-type electronic wave functions in a quantum well with potential barriers at the vacuum/metal and metal/W(110) interfaces. The quantization of the valence-band electronic structure in Au/W(110), Ag/W(110), and Cu/W(110) systems was studied experimentally using angle-resolved photoelectron spectroscopy. |
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