Tawhid Rana

Title: Tawhid Rana: Innovator in Graphene and SiC Epitaxial Growth

Introduction

Tawhid Rana is a prominent inventor based in Columbia, SC (US). He has made significant contributions to the field of materials science, particularly in the growth of high-quality graphene and silicon carbide (SiC) epitaxial films. With a total of 6 patents to his name, Rana's work is at the forefront of innovation in semiconductor materials.

Latest Patents

Rana's latest patents include groundbreaking methods for forming graphene films on silicon carbide materials. One of his notable inventions is the "Defect engineered high quality multilayer epitaxial graphene growth with thickness controllability." This method involves heating silicon carbide to a growth temperature between about 1,000°C to about 2,200°C and exposing it to a growth atmosphere containing halogen species. The halogen species, which can include fluorine or chlorine, reacts with the silicon carbide to facilitate the removal of silicon.

Another significant patent is the "Method of growing high quality, thick SiC epitaxial films by eliminating silicon gas phase nucleation and suppressing parasitic deposition." This method allows for the formation of an epilayer on a substrate surface by introducing at least two source gases into a hot wall CVD chamber. The presence of fluorine atoms, carbon atoms, and silicon atoms within the chamber enables the growth of SiC epilayers on the substrate.

Career Highlights

Tawhid Rana is affiliated with the University of South Carolina, where he conducts research and develops innovative technologies. His work has garnered attention in the scientific community, contributing to advancements in semiconductor materials and their applications.

Collaborations

Rana collaborates with esteemed colleagues such as Tangali S Sudarshan and Haizheng Song. Their combined expertise enhances the research efforts and innovation in the field of materials science.

Conclusion

Tawhid Rana's contributions to the development of graphene and SiC epitaxial growth methods highlight his role as a leading inventor in materials science. His innovative patents and collaborations continue to push the boundaries of technology and research.