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https://hdl.handle.net/20.500.14279/1393| Τίτλος: | Theoretical investigation of the equilibrium surface structure of si1-x-ygexcy alloys | Συγγραφείς: | Kelires, Pantelis C. | metadata.dc.contributor.other: | Κελίρης, Παντελής | Major Field of Science: | Engineering and Technology | Λέξεις-κλειδιά: | Alloys;Monte Carlo method;Segregation;Computer simulation | Ημερομηνία Έκδοσης: | 5-Δεκ-1998 | Πηγή: | Surface Science,1998, vol. 418, no. 2,pp. L62-L67 | Volume: | 418 | Issue: | 2 | Start page: | L62 | End page: | L67 | Περιοδικό: | Surface Science | Περίληψη: | We investigate the surface structure of SiGeC alloys at typical growth temperatures using Monte Carlo simulations within the empirical potential formalism. We find a strong tendency of carbon to segregate to the top layer. As a consequence, germanium segregation is drastically reduced. The carbon composition profile oscillates in the subsurface layers, with a marked enhancement in the third layer. Si-C dimers are the favored surface bonding geometry, and are mostly found in (2 × 2) and c(4 × 2) arrangements. | URI: | https://hdl.handle.net/20.500.14279/1393 | ISSN: | 00396028 | DOI: | 10.1016/S0039-6028(98)00758-4 | Rights: | © Elsevier | Type: | Article | Affiliation: | University of Crete | Affiliation: | University of Crete Foundation for Research & Technology-Hellas (F.O.R.T.H.) |
| Εμφανίζεται στις συλλογές: | Άρθρα/Articles |
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