Silicon carbide was the initial commercially significant semiconductor material. A crystal radio "carborundum" (artificial silicon carbide) detector diode was patented by Henry Harrison Chase Dunwoody in 1906. It identified A lot early use in shipboard receivers. Another way of increasing graphene can be thermally decomposing SiC at a large temperature https://mariohgfdb.blogars.com/33248929/examine-this-report-on-carbide-vs-titanium