Silicon Carbide Crystal (SiC Crystal)

Product Overview:
Silicon carbide (SiC) is an inorganic compound composed of carbon and silicon, widely used in high-performance electronics, optics, and refractory materials. Its crystal structure consists of two sub-lattices arranged closely together, with each silicon atom bonded to a carbon atom through strong tetrahedral bonds. SiC comes in multiple crystal forms, including the common cubic (3C-SiC) and hexagonal (4H-SiC, 6H-SiC) structures, each offering distinct electrical and optical properties. The bandgap of SiC is 2-3 times wider than that of silicon, and its thermal conductivity is 4.4 times higher, making it excellent for high-temperature, high-frequency, and high-power applications. With high hardness and wear resistance, silicon carbide is also an ideal refractory material, widely used in various industrial and technological fields.

Key Features:

• High Thermal Conductivity:4 times higher than silicon, aiding in heat dissipation in high-temperature environments.
• Wide Bandgap:The bandgap is 2-3 times wider than silicon, making it suitable for high-frequency and high-power applications.
• Radiation Resistance:Excellent resistance to radiation, making it ideal for use in extreme environments like nuclear reactors.
• High Hardness and Wear Resistance:Widely used in industrial applications such as cutting and grinding, where high wear resistance is required.
• Polytypism:SiC has up to 250 different crystal structures, allowing for selection based on desired electrical and optical properties.
• Superior Electronic Performance:Offers higher electron saturation drift velocity than silicon, making it ideal for high-efficiency electronic devices.

Applications:

• Semiconductor Devices:SiC is widely used in high-frequency, high-power, high-temperature, and radiation-resistant semiconductor devices, applied in aerospace, radar, communication systems, and more.
• High-Power Electronic Converters:Suitable for high-power electronic converters in extreme environments, enhancing device performance and durability.
• Nuclear Reactor Monitoring:Due to its excellent radiation resistance, SiC is an ideal material for monitoring systems in nuclear reactors.
• Optoelectronics:SiC-based light-emitting diodes (LEDs) can cover wavelengths from blue to violet, widely used in optical information display systems and photonic integrated circuits.
• Refractory Materials:As a crucial refractory material, SiC is extensively used in industrial abrasives, including grinding and cutting applications.