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

Published online by Cambridge University Press:  26 February 2011

Kenji Umezawa ,
Kaname Yamauchi ,
Shigemitsu Nakanishi  and
Walter M Gibson
Kenji Umezawa
Affiliation:
[email protected], Osaka Prefecture University, Physics, 1-1 Gakuen-Cho, Sakai, Osaka, 599-8531, Japan, 81-72-254-9719, 81-72-254-9719
Kaname Yamauchi
Affiliation:
[email protected], Osaka Prefecture University, Physics, Japan
Shigemitsu Nakanishi
Affiliation:
[email protected], Osaka Prefecture University, Physics, Japan
Walter M Gibson
Affiliation:
[email protected], XOS, United States
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Abstract

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.

Keywords

ion scattering spectroscopy (ISS)PdNi
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 908: Symposium OO – Growth, Modification, and Analysis by Ion Beams at the Nanoscale , 2005 , 0908-OO05-19
Copyright
Copyright © Materials Research Society 2006

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