Research Article
Ni-Based Ohmic Contacts to n-Type 4H-SiC: The Formation Mechanism and Thermal Stability
Figure 2
Electrical properties of Ni/Si multilayer contacts with different interfacial layer (Si: FL-Si or Ni: FL-Ni) and thickness ratio () to n-type (~2 × 1017 cm−3) 4H-SiC bulk wafers versus annealing temperature.
(a) FL-Ni |
(b) FL-Si |
(c) FL-Ni |
(d) FL-Si |
(e) FL-Ni |
(f) FL-Si |