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Surface-induced magnetism in C-doped SnO2

AuthorsRahman, Gul; García-Suárez, Víctor M. ; García-Suárez, Víctor M.
Issue Date2010
PublisherAmerican Institute of Physics
CitationApplied Physics Letters 96(5): 052508 (2010)
AbstractThe magnetism of C-doped SnO2 (001) surfaces is studied using first-principles calculations. It is found that carbon does not induce magnetism in bulk SnO2 when located at the oxygen site but shows a large magnetic moment at the SnO2 (001) surface. The magnetic moment is mainly contributed by the carbon atoms due to empty minority spins of p orbitals and is localized at the surface and subsurface atoms. No magnetism is observed when the carbon atom is located at the subsurface oxygen sites. The origin of magnetism is discussed in the context of surface bonding.
Description3 páginas, 3 figuras.
Publisher version (URL)http://dx.doi.org/10.1063/1.3302468
Appears in Collections:(CINN) Artículos
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