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Diamond material
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In the brilliant starry sky of materials science, industrial diamonds shine like a dazzling star, becoming an indispensable key material in modern industry with their extraordinary properties.
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Diamond material
In the global industrial sector, industrial diamonds, with their high hardness, high wear resistance, and high thermal conductivity, have become indispensable basic materials in many key industrial processes. They are widely used in core industries such as semiconductors, aerospace, and machining, playing a crucial role in the development of modern industry.
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Diamond material
Expectations of the Semiconductor Industry for High-Quality Diamonds (Part 1)
Band gap: determined by the electronic states and atomic configurations of semiconductors, it reflects the energy required for the valence electrons of the atoms that make up this material to be excited from a bound state to a free state; the band gap is an important characteristic parameter of semiconductors. A band gap of zero indicates a metal, a large band gap (generally greater than 4.5 eV) indicates an insulator, and a medium band gap indicates a semiconductor.
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Diamond material
Expectations of the Semiconductor Industry for High-Quality Diamonds (Part Two)
The conduction mechanism of semiconductor materials is achieved through two types of charge carriers: electrons and holes, which are classified as N-type and P-type. Diamond, as a group IV element, can be viewed as having a crystal structure formed by two face-centered cubic structures translated along the body diagonal by 1/4 of the lattice constant. Carbon atoms bond with four neighboring carbon atoms through covalent bonds using sp3 hybrid orbitals, forming a tetrahedral structure. By doping diamond with appropriate elements, its electrical properties can be altered, allowing it to be widely used as a semiconductor material in electrical devices.
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Diamond material
Expectations of the Semiconductor Industry for High-Quality Diamonds (3)
Research shows that diamond, as a member of the ultra-wide bandgap semiconductor materials (bandgap width 5.5 eV), possesses a range of excellent physical and chemical properties, such as high carrier mobility, high thermal conductivity, high breakdown electric field, high carrier saturation velocity, and low dielectric constant. This has garnered significant attention in the high-tech field, especially in electronics, and it is recognized as a promising new semiconductor material. Based on these advantages, it helps to reduce the mass, volume, and lifecycle costs of electronic components, while allowing devices to operate at higher temperatures, voltages, and frequencies, thus enabling electronic devices to use less energy while achieving higher performance.
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Diamond material
Diamond micro-powder refers to diamond particles with a particle size finer than 54 microns, with a chemical composition of carbon, and is the hardest material in nature. Diamond micro-powder is formed from diamond single crystals through processes such as crushing and ball milling, resulting in micron or sub-micron level ultra-fine diamond powder. Diamonds have high strength, good wear resistance, a Mohs hardness of 10, and a microhardness of 10000 kg/mm², which is 1000 times higher than quartz and 150 times higher than corundum. Therefore, diamond micro-powder, as an ultra-hard abrasive, possesses unparalleled grinding capabilities compared to other products and is increasingly valued by industrially developed countries.
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Diamond material
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