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Property | 4H-SiC, Single Crystal | 6H-SiC, Single Crystal |
Lattice Parameters | a=3.076 Å c=10.053 Å |
a=3.073 Å c=15.117 Å |
Stacking Sequence | ABAC | ABCACB |
Lattice Sites |
1 hexagonal (h) |
1 hexagonal (h) 2 cubic (k1, k2) |
Mohs Hardness | 9.2 – 9.3 | 9.2 – 9.3 |
Density | 3.21 · 103 kg/m3 | 3.21 · 103 kg/m3 |
Therm. Expansion Coefficient | 4 – 5 · 10-6 /K | 4 – 5 · 10-6 /K |
Refraction Index (at λ=467nm) | no=2.719 ne=2.777 |
no=2.707 ne=2.755 |
Dielectric Constant | 9.72 | 9.72 |
Thermal Conductivity | 370 W/mK | 490 W/mK |
Bandgap | 3.23 eV | 3.00 eV |
Break-Down Electrical Field | 3 – 5 · 108 V/m | 3 – 5 · 108 V/m |
Saturation Drift Velocity | 1.9 · 105 m/s | 1.5 · 105 m/s |
References: Landolt-Börnstein (Springer Verlag), G.L. Harris (INSPEC) and M.E. Levinshtein, S.L. Rumyantsev, M.S. Shur, Properties of advanced Semiconductor Materials, Wiley 2001 |
Si-TECH now offers wafer cassettes. We have single wafer carriers ranging from 100mm up to and including 300mm available. Also, we carry 25 piece carriers from 50.8mm up to and including 300mm Si-TECH can provide you with the carrier you require to transport your wafers. Si-TECH can also reclaim certain cassettes.
In addition to wafers, Si-TECH can provide you with various metals in slug, pellet and granule form. These metals include but are not limited to Aluminum, Titanium, Zinc, Copper, Indium. Please contact us with your requirements.
Si-TECH can provide Spin-On Materials. The Spin-On Materials that Si-TECH can apply to a substrate are Lithium, Boron, Sodium, Aluminum, Phosphorous, Titanium, Copper, Zinc, Gallium, Yttrium, Palladium, Indium, Tin, Antimony, Barium, Neodymium, Tantalum, Gold and Platinum. Please contact us for more information.
Si-TECH offers sputtering targets such as Chromium, Germanium, Gold, Iron, Nickel, Palladium, Platinum, Rhenium, Silicon, Silver, Aluminum-Copper, Copper-Zinc, Nickel-Aluminum, Nickel- Chromium, Silicon-Aluminum, Silicon Dioxide, Titanium-Aluminum, Titanium Dioxide, and Zinc-Oxide. Please call, fax or e-mail for price and delivery information.