Atomfair 4H P-Type Silicon Carbide Substrate

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A high-quality 4H-SiC single crystal substrate with P-type doping, ideal for high-power and high-temperature applications. It features excellent thermal conductivity and breakdown electrical field properties. Suitable for III-V nitride deposition and optoelectronic devices.

SKU: AFMSTWDN768
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Description

A high-quality 4H-SiC single crystal substrate with P-type doping, ideal for high-power and high-temperature applications. It features excellent thermal conductivity and breakdown electrical field properties. Suitable for III-V nitride deposition and optoelectronic devices.

Property Value
Lattice Parameters a=3.082A, c=10.092A
Stacking Sequence ABCB
Mohs Hardness ≈9.2
Density 3.23g/cm³
Thermal Expansion Coefficient 4.3×10⁻⁶/K(⊥Caxis), 4.7×10⁻⁶/K(Caxis)
Refraction Index @750nm no=2.621, ne=2.671
Dielectric Constant c~9.66
Thermal Conductivity 3-5W/cm·K@298K
Band-Gap 3.26eV
Break-Down Electrical Field 2-5×10⁶V/cm
Saturation Drift Velocity 2.0×10⁵m/s

If you are interested or have any questions, please contact us at inquiry@atomfair.com

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Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.

To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.

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