Walter De Heer mentions many objections with regard to the get the job done of Geim and Novoselov who evidently have calculated on a lot of-layer graphene, also called graphite, that has distinctive electronic and mechanical properties.[eight] Consequently, the hotter a semiconductor like silicon is, the higher its electrical conductivity. https://www.quora.com/profile/Trevor-Flatcher-2/Advantages-and-Challenges-of-Silicon-Carbide-Specialty-Ceramics-Macrocosm-Materials-Company-Overview-Founded-in-2016