Scandium nitride (ScN) is an inorganic chemical compound. It is composed of the scandium cation and the nitride anion. It forms crystals that can be grown on tungsten foil through sublimation and recondensation.
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Chemical formula：ScN
Molar mass： 58.963
Density： 4.4 g/cm3
Melting point： 2,900 °C (5,250 °F; 3,170 K)
The crystal structure of scandium nitride is usually of two types, namely blue phase and rutile phase. Blue phase scandium nitride has a hexagonal closest packing structure, each Ga atom is surrounded by 12 N atoms, and each N atom is surrounded by six Ga atoms. Rutile phase scandium nitride is a space group F-43m, with a tetrahedral structure, each Ga and N atom is located at the vertex and center of gravity of the tetrahedron, respectively. The crystal structure stability of blue phase scandium nitride is poor, which is easy to cause grain boundaries and defects, while the rutile phase has better mechanical properties and chemical inertness.
Lighting field: Scandium nitride is used as the basic material of white light LEDs. It has the characteristics of high efficiency, energy saving, and long life. It is considered to be the mainstream technology of future lighting.
Electronic field: Scandium nitride is used to manufacture high-power, high-frequency and high-temperature electronic devices. Due to its excellent electrical conductivity and thermal conductivity, it is suitable for the preparation of high-speed electronic devices.
Energy field: ScN is also widely used in the field of solar cells and energy storage, which can improve the performance and efficiency of equipment.
Phosphor raw material: Scandium nitride can be used as a raw material for phosphors to make high-refractive metal epitaxial films and wear-resistant materials.
Special alloy and non-ferrous metal additives: ScN can be used as an additive for special alloys and non-ferrous metals to enhance the performance of materials.
Encapsulation protection materials: It is also used to make wear-resistant materials and encapsulation protection materials to improve the durability and protection performance of materials.
Magnetic semiconductor materials: ScN can be used to make magnetic semiconductor materials, further expanding its application range in the electronics industry.
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Usually vacuum packed internally and carton packed externally, it can also be packaged according to customer needs.
Scandium nitride should be stored in a dry environment at room temperature to ensure its stability and purity.
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