GROWTH OF EPITAXIAL Si1-yCy AND Si1-x-yGexCy: The concept of surface solubility -- Substitutional versus interstitial C incorporation -- Segregation of carbon-containing complexes -- MECHANICAL AND STRUCTURAL PROPERTIES: Strain manipulation -- Thermal stability -- Strain-compensated ternary alloys -- ELECTRICAL PROPERTIES OF CCONTAINING ALLOYS ON Si(00l): Band gap changes and band offsets -- Charge transport -- HIGHLY CONCENTRATED PSEUDOMORPHIC Si1-yCy LAYERS: Model considerations -- Experimental verification -- Formation of carbon-rich surface in silicon -- APPLICATION OF SiGe:C IN HETEROJUNCTION BIPOLAR TRANSITORS: Suppressed dopant diffusion in carbon-rich silicon -- Advanced heterojunction bipolar transistors with SiGe:C.