Material with a principal constituent of the material being a solid not provided for in groups [CPC: H01L2224/814] - [CPC: H01L2224/81491], e.g. allotropes of carbon, fullerene, graphite, carbon-nanotubes, diamond
Material with a principal constituent of the material being a solid not provided for in groups [CPC: H01L2224/814] - [CPC: H01L2224/81491], e.g. allotropes of carbon, fullerene, graphite, carbon-nanotubes, diamond