H01L 31/03365

Inorganic materials including, apart from doping materials or other impurities, semiconductor materials provided for in two or more of groups [CPC: H01L31/0272] - [CPC: H01L31/032] in different semiconductor regions, e.g. Cu2X/CdX hetero-junctions, X being an element of Group VI of the Periodic System {comprising only Cu2X / CdX heterojunctions, X being an element of Group VI of the Periodic System}