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Title: Effects of aluminum diffusion on the adhesive behavior of the Ni(111)/Cr2O3(0001) interface: First principle study
Authors: Liu, H.
Li, Y.
Zhang, C.
Dong, N.
Lan, A.
Li, H.
Dong, Hongbiao
Han, P.
First Published: 21-Jun-2013
Publisher: Elsevier
Citation: Computational Materials Science, 2013, 78, pp. 116-122 (7)
Abstract: Density functional theory was employed to investigate the structure and properties of Ni/Cr2O3 and Ni/Al2O3/Cr2O3. The O-terminated Ni(1 1 1)/Cr2O3(0 0 0 1) interface was firstly found to be the most stable configuration. Based on this construction, the effects of the Al diffusion at the Ni/Cr2O3 interface were further studied. The results of total energies indicate that Al atoms originating from Ni slab prefer to diffuse into Cr2O3 slab through the interface, resulting in the formation of alumina at the Ni/Cr2O3 interface. Due to the presence of Al atoms, there was an amazing increase in the work of adhesion, whereas the Ni/Al2O3/Cr2O3 interface showed the strongest stability. Moreover, this calculated work well agrees with the reported experimental results.
DOI Link: 10.1016/j.commatsci.2013.05.037
ISSN: 0927-0256
Version: Publisher Version
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright 2013 The Authors. Published by Elsevier B.V. Open access under CC BY-NC-ND license
Appears in Collections:Published Articles, Dept. of Engineering

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