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2009 year, number 4

Carbon-Stimulated Self-Organization of Ge Nanoislands during Molecular Beam Epitaxy of Ge/CaF2/Si(111) Heterostructures

L. V. Sokolov, A. S. Deryabin, E. E. Rodyakina
Keywords: nanoislands, heterostructures, molecular beam epitaxy
Pages: 56-59


The self-organization of germanium nanoislands on the surface of calcium fluoride was studied using atomic-force microscopy and reflection electron diffraction. A Ge/CaF2/Si(111) structure was grown by molecular beam epitaxy. The surface of the calcium fluoride film was modified by submonolayer carbon coverage to stimulate the formation of germanium nanoislands. The arameters of an array of nanoislands were found to depend on the coverage.