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4 inch 3C-SiC/Silicon Epitaxial Wafer - MSE Supplies LLC

4 inch Undoped 3C-SiC Epitaxial Wafer on Silicon, Epi Thickness: 300nm

  • £91500


4 inch Undoped 3C-SiC Epitaxial Wafer on Silicon, Epi Thickness: 300nm

3C-SiC belongs to the wide band gap semiconductor. Despite different polytypes, it has similar superior properties over traditional materials. It offers high resistance and semi insulating properties. During epitaxial growth, high concentration of electrically active dopants can be introduced into the 3C-SiC epitaxial layers, which helps avoid unnecessary ion implantation steps in device fabrication. The advantages of such wafer are reduced thermal stresses, compatibility with silicon technology, and comparable low cost. One of the applications of this epitaxial wafer is acting as the template for Gallium Nitride (GaN) growth, including hexagonal GaN and cubic GaN. The SiC layer on the silicon substrate can reduced the lattice spacing to about 4% mismatch to GaN (typically 17% for silicon and 14% for sapphire), which results in fewer crystal defects and further increases the performance of the devices. Since 3C-SiC is able to withstand high temperatures and corrosive chemicals, it is often used as a sensing devices that can operate in harsh environment. It can also be used for electronics, biomedical and clean energy applications.

MSE Supplies offers epitaxy services on various substrate. Please contact us if you need customization or bulk order. 

Specification:

Substrate Silicon Wafer
Diameter 100±0.2 mm
Grade Prime
Growth Method  CZ
Orientation <100> 
Thickness 525±25 um
Resistivity  1~100 ohm.cm
Type/Dopant P-type/Boron
Epi Layer  3C-SiC
Epi Layer Thickness 300±30 nm
Epi Layer Type Undoped

*Please note that actual products might be different from the picture below.

References:

1. 3C-SiC hetero-epitaxial growth on undulant Si (001) substrate. Journal of Crystal Growth 237 (2002): 1244-1249. 

2. 3C-SiC on Si hetero-epitaxial growth for electronic and biomedical applications. ECS Transactions 58, no. 4 (2013): 119.

3. 3C-SiC on Si: a versatile material for electronic, biomedical and clean energy applications. MRS Online Proceedings Library (OPL) 1693 (2014).

Customization:

MSE Supplies offers 3C-SiC epitaxy services on various substrate as well, including SOI wafer and patterned substrate. We can also provide 4H-SiC homoepitaxial wafers. Please contact us if you need customized specification.


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