Graphene on Single‐Crystal Diamond for Electronic Applications: A Brief Review

Graphene on diamond has emerged as a promising platform for various electronic applications. This brief review article explores the recent advancements and the potential of graphene on diamond for electronic applications with a focus on single‐crystal (SC) chemically vapor‐deposited and high‐pressure and high‐temperature diamond. Device fabrication techniques, properties, and performance of single‐layer graphene on diamond in various electronic devices are discussed. This hybrid system's challenges and prospects are also analyzed. A particular emphasis is placed on the unique benefits of diamond as a substrate for graphene and its growth, including its high thermal conductivity, mechanical strength, high optical phonon energy, and the importance of achieving high‐quality single‐layer graphene on SC diamond.