Morphology and optical properties of tetragonal Ge nanoclusters grown on chemically oxidized Si(100) surfaces - V. S. Lysenko; S. V. Kondratenko; Yu. N. Kozyrev; Yu. Rubezhanska; V. P. Kladko; Yu. V. Gomeniuk; O. Y. Gudymenko; Ye. Ye. Melnichuk; G. Grenet; N. B. Blanchard (Ukrainian journal of physics, 2012)