Numerical Simulation of Pt Overlayers on Ni(111) and Co(0001)-Reference-Cited by-同舟云学术

Numerical Simulation of Pt Overlayers on Ni(111) and Co(0001)

Published:1998-04 Issue:02 Volume:05 Page:581-588
ISSN:0218-625X
Container-title:Surface Review and Letters
language:en
Short-container-title:Surf. Rev. Lett.

Author:

Légaré P.¹,Cabeza G. F.¹²,Castellani N. J.³

Affiliation:

1. LERCSI, UMR CNRS 7515, Université Louis Pasteur, 4 rue Blaise Pascal, 67070 Strasbourg, France

2. Universidad Nacional del Sur, Av. Alem 1253, 8000 Bahia Blanca, Argentina

3. PLAPIQUI (UNS-CONICET), 12 de Octubre 1842, 8000 Bahia Blanca, Argentina

Abstract

The growth of pseudomorphic Pt layers (from one to four) on Ni(111) and Co(0001) has been investigated by the ECT–BFS method. The behaviors on the two substrates are very similar. The growth of the first layer appears to be highly favorable as the energy of the system is negative. Higher coverages could be stabilized with huge relaxations perpendicularly to the surface. The evolution of the plane-by-plane energies (separated in stress and chemical contributions) and relaxations during the growth is presented and discussed. The always-stabilizing chemical interaction at the interface makes it likely that interdiffusion of metals could be a competing mechanism.

Publisher

World Scientific Pub Co Pte Lt

Subject

Materials Chemistry,Surfaces, Coatings and Films,Surfaces and Interfaces,Condensed Matter Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0218625X98000967

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