H01L 29/267

Semiconductor bodies {; Multistep manufacturing processes therefor} characterised by the materials of which they are formed including, apart from doping materials or other impurities, elements provided for in two or more of the groups [CPC: H01L29/16], [CPC: H01L29/18], [CPC: H01L29/20], [CPC: H01L29/22], [CPC: H01L29/24] {, e.g. alloys} in different semiconductor regions {, e.g. heterojunctions }