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Tailoring of nickel silicide contacts on silicon carbide

S. A. Perez-Garcia ; Lars Nyborg (Institutionen för material- och tillverkningsteknik)
Applied Surface Science (0169-4332). Vol. 254 (2007), 1, p. 135-138.
[Artikel, refereegranskad vetenskaplig]

Co-deposition technique by means of simultaneous ion beam sputtering of nickel and silicon onto SiC was performed for tailoring of Nisilicide/SiC contacts. The prepared samples were analysed by means of XRD and XPS in order to obtain information about the surface and interface chemistry. Depth profiling was used in order to analyse in-depth information and chemical distribution of the specimens. XRD results showed that the main phase formed is Ni2Si. The XPS analysis confirmed the formation of the silicide on the surface and showed details about the chemical composition of the layer and layer/substrate interface. Moreover, the XPS depth profiles with detailed analysis of XPS peaks suggested that tailoring of C distribution could be monitored by the co-deposition technique employed. (C) 2007 Elsevier B.V. All rights reserved.

Nyckelord: silicon carbide, co-deposition, interfacial reactions, XPS, depth, profiles, OHMIC CONTACT, NI

Denna post skapades 2008-11-20.
CPL Pubid: 78440


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Institutionen för material- och tillverkningsteknik



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