Pd/Ni(111) surface structure by impact-collision ion scattering spectroscopy


Pd deposits on Ni(111) have been studied by low energy ion scattering spectroscopy. We found that two different types of epitaxial growth exist: Pd[11 2]//Ni[11 2] and Pd[11 2]//Ni[11 2] at substrate temperature of 300 K. The Pd(111) planes grow as mixed domains of 50 % each. Surface alloying of the Pd-Ni system was confirmed for deposition at 300 K in which Pd atoms displace first-layer Ni atoms, with an outward displacement of 0.4 Å with respect to first layer Ni atoms.

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Umezawa, K., Yamauchi, K., Nakanishi, S. et al. Pd/Ni(111) surface structure by impact-collision ion scattering spectroscopy. MRS Online Proceedings Library 908, 519 (2005). https://doi.org/10.1557/PROC-0908-OO05-19

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