Patent ID: 11948983
Assignee: XIDIAN UNIVERSITY
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The SiC ohmic contact preparation method according to claim 1, wherein the preparing a graphene/SiC structure by forming a graphene on a Si-face of the SiC substrate comprises:
using a chemical vapor deposition (CVD) equipment to prepare the graphene/SiC structure through a thermal growth method of epitaxially growing the graphene on the SiC substrate, and process conditions including: cutting off hydrogen and silicon-tetrahydride (SiH4), introducing 2 liters per minute (L/min) of argon gas, maintaining a pressure in the CVD equipment at 5 mbar, heating up to 1650° C., and a pyrolysis time being 30 minutes (min)˜1.5 hours (h).