Page 2 • Effective December 1998 • Revised March 2003
Properties and Specifications for
Silicon Carbide
Applications: • High Frequency Power Devices
• High Power Devices
• High Temperature Devices
• Optoelectronic Devices
• III-V Nitride Deposition
Physical Properties
Polytype
Single Crystal 4H
Single Crystal 6H
Crystal Structure
Hexagonal
Hexagonal
Bandgap
Thermal Conductivity
(Typical Range)
Lattice Parameters
Mohs Hardness
3.26 eV
3.03 eV
3.0-3.8 W/cm • K @ 298K
(2.3-2.8 W/cm • K @ 373K)
3.0-3.8 W/cm • K @ 298K
(2.3-2.8 W/cm • K @ 373K)
a=3.073 Å
c=10.053Å
a=3.081 Å
c=15.117Å
~9
~9