β相硼粉单体硼Boron Powder 99.999% purity

β相硼粉单体硼Boron Powder 99 999% purity是工业领域一种重要的无机功能添加材料。晶体硼为β相单质硼，晶体形态为菱形正二十面体结构。晶体硼具有很强的化学惰性、高机械硬度和高熔点。晶体硼具有颗粒和粉末两种形态颜色为

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β相硼粉单体硼Boron Powder 99.999% purity

产品名称：晶体硼,单质硼
英文名称：Crystalline boron, Crystalline boron Powder, B powder

β相硼粉单体硼Boron Powder 99.999% purity是工业领域一种重要的无机功能添加材料。晶体硼为β相单质硼，晶体形态为菱形正二十面体结构。晶体硼具有很强的化学惰性、高机械硬度和高熔点。晶体硼具有颗粒和粉末两种形态颜色为灰黑色，广泛用于和工业、半导体、光学、热电池、陶瓷粉体材料等领域。

我公司生产的结晶硼粉常规粒径为15-60μm；结晶硼颗粒的常规粒径为1-10mm（特殊粒径可根据客户需求定制），一般按纯度分为2N、3N、4N、5N、6N五种规格。

Crystalline boron is an important inorganic functional additive in the industrial field. Crystalline boron is a β-phase elemental boron with a rhombic icosahedral crystal structure. It possesses strong chemical inertness, high mechanical hardness, and a high melting point. Crystalline boron exists in both granular and powder forms, and is grayish-black in color. It is widely used in industries such as semiconductors, optics, thermal batteries, and ceramic powder materials.
The regular particle size of the CRYSTALLINE boron powder from us is 15-60μm; The conventional grain size of CRYSTALLINE boron particles is 1-10mm (special grain size can be customized according to customer needs), generally divided into 2N, 3N, 4N, 5N, 6N five specifications according to the purity.

产品指标：

分子式 /Molecular Formula	B
CAS编号/CAS Code	7440-42-8
密度/Density	2.3 g/cm3
晶相/Phase	β相菱形硼
熔点/Melting point	2300°C
沸点/Boiling point	2550°C
莫氏硬度/Mohs hardness	＞9
相对原子质量/Relative atomic mass	10.81
稳定同位素/Stable isotopes	¹⁰B、¹¹B
颜色/Color	深灰色、黑色/Dark Gray, Black

化学成分：

成分	2N晶体硼	3N 晶体硼	4N 晶体硼	5N 晶体硼	6N 晶体硼
B（硼）	≥99%	≥99.9%	≥99.99%	≥99.999%	≥99.9999%
Fe（铁）	≤500 ppm	≤200 ppm	≤90 ppm	≤8 ppm	≤0.5 ppm
Au（金）	≤2.5 ppm	≤0.08 ppm	≤0.06 ppm	≤0.02 ppm	≤0.02 ppm
Ag（银）	≤1 ppm	≤0.8 ppm	≤0.3 ppm	≤0.03 ppm	≤0.03 ppm
Cu（铜）	≤12 ppm	≤10 ppm	≤0.1 ppm	≤0.03 ppm	≤0.03 ppm
Sn（锡）	≤30 ppm	≤9 ppm	≤0.1 ppm	≤0.1 ppm	≤0.08 ppm
Mn（锰）	≤300 ppm	≤3 ppm	≤1.1 ppm	≤0.1 ppm	≤0.07 ppm
Pb（铅）	≤0.08 ppm	≤0.3 ppm	≤1.1 ppm	≤0.08ppm	≤0.02ppm
Ca（钙）	/	≤18 ppm	≤0.2 ppm	≤0.1 ppm	≤0.01 ppm
As（砷）	/	/	/	≤0.08ppm	≤0.01ppm
W（钨）	/	/	/	≤0.05ppm	≤0.02ppm
Ge（锗）	/	/	/	≤0.05ppm	≤0.04ppm

常规型号和包装

硼含量	常规型号	Package
99	1-5μm, 10-30μm, 50-100μm	1公斤/5公斤真空铝箔袋包装（纳米粉末仅密封，不真空）。
99.9	-200#, 0-10μm, 1-10mm	粉末：1公斤/5公斤真空铝箔袋。颗粒：50克/500克/1000克PP瓶装，内充惰性气体。.
99.99	-200#, 1-10mm	50克/100克PP瓶装，内充惰性气体。
99.999
99.9999

产品用途：

晶体硼在核工业中的用途：

晶体硼在核能领域有着重要的应⽤，其可⽤作核反应堆中的中⼦反应控制材料，主要起补偿和调节中⼦反应性以及紧急停堆的作⽤，以维持核反应堆的稳定运⾏。晶体硼不仅中⼦吸收截⾯⾼，⽽且吸收中⼦的能量范围较宽，可以有效地降低或调节核能产⽣的中⼦通量，从⽽保证核能系统的安全性。

晶体硼在半导体制造领域的用途：

晶体硼也被⼴泛应⽤于半导体⼯业。晶体硼作为⼀种p型掺杂剂，可⽤于改变半导体材料的导电性。通过将晶体硼掺杂到硅材料中，可改变硅材料的导电性质，从⽽制造出具有不同导电类型的半导体器件，如⼆极管、场效应晶体管等。此外，晶体硼还可以⽤作⽣⻓半导体单晶材料的原材料，通过熔融法⽣⻓硼掺杂的硅单晶，⽤于制备⾼性能的半导体器件。

纯度的晶体硼粉末，在太阳能硅片生产中作为P 型硅片基底掺杂、N 型硅片硼发射极扩散。5N、6N的高纯度硼粉，可以作为P型半导体的掺杂剂，改变半导体的导电性，用于生产高纯硅片。

晶体硼在光学领域的应用：

晶体硼在光学领域也有着⼴泛的应⽤。由于晶体硼具有优异的⾮线性光学性质，可以实现光的调制、扫频和倍频等功能,因此，晶体硼被⼴泛应⽤于光学器件中，包括光学调制器、光频梳和激光器等。此外，晶体硼还可⽤作红外激光器的增益介质，具有较⼤的发射截⾯和较宽的激发光谱范围。

晶体硼用于高硬度陶瓷材料：

晶体硼还可以⽤于制备⾼硬度材料，如碳化硼（B4C）和⽯墨硼化合物(Bg)，碳化硼是⼀种⾮常硬的陶瓷材料，具有优异的耐磨性和耐⾼温性能，因此⼴泛应⽤于制造防弹⾐、硬质⼑具、磨料和耐磨陶瓷等。⽯墨硼化合物是⼀种具有类似⽯墨结构的材料，具有较⾼的导电性和热稳定性，可⽤于制备⾼性能的导电粘结剂、热导材料和摩擦材料。

晶体硼在热电池中的用途：

热电池是以熔盐为电解质的⼀次热激活贮备电池，具有体积⼩、质量轻、贮存时间⻓、免维护、激迅速可靠和使⽤环境温度范围宽等优点，被⼴泛应⽤于⼀些战略武器和常规武器的点⽕装置中。热电池负极材料对热电池的⽐容量、体积、⽐功率都具有决定性的作⽤。热电池负极材料已经从最初的镁系、钙系发展到现在的锂系,其中Li-B合⾦具有⾼⽐能量、⾼⽐功率、低极化、电化学电位与纯锂接近、到600℃以上仍保持固体状态等突出优点,是最具发展前景的热电池负极材料,现已经逐步在⾼端热电池上得到应⽤。

晶体硼在军工领域的应用：

晶体硼可用于制造⾼纯硼陶瓷抗弹材料、⾼纯硼延时剂、⾼纯硼焊接剂、⾼纯硼炸药、⾼纯硼富燃、贫氧⽕箭推进剂。

晶体硼用于合金产品制造

⾼纯硼铜合⾦、⾼纯硼钛合⾦、⾼纯硼⾦刚⽯聚晶、⾼纯硼超硬耐磨⼯具、⾼纯硼耐腐蚀性钢板、⾼纯硼镍合⾦、⾼纯硼铬合⾦、锂硼合⾦新型的电池材料、硼镁超导合⾦。

晶体硼在航空航天领域的应用：

高纯晶体硼粉体可作为纳⽶涂层粉体材料，通过溅射技术，把粉体材料涂覆在基体表⾯，使部件耐磨损，耐腐蚀，耐⾼温，抗氧化，抗⽼化，能满⾜航天、航空极端苛刻的服役条件对发动机的要求,还可满⾜光电磁等特殊要求。

Applications of Crystalline Boron in the Nuclear Industry:

Crystalline boron plays a crucial role in the nuclear energy field. It can be used as a neutralization control material in nuclear reactors, primarily to compensate for and regulate neutralization reactivity and to facilitate emergency shutdowns, thus maintaining stable reactor operation. Crystalline boron not only has a high neutralization absorption cutoff but also a wide range of neutralization energy absorption, effectively reducing or regulating the neutralization flux generated by nuclear energy, thereby ensuring the safety of the nuclear energy system.

Applications of Crystalline Boron in Semiconductor Manufacturing:

Crystalline boron is also widely used in the semiconductor industry. As a p-type dopant, crystalline boron can be used to modify the conductivity of semiconductor materials. By doping crystalline boron into silicon, the conductivity properties of silicon can be altered, thereby manufacturing semiconductor devices with different conductivity types, such as diodes and field-effect transistors. In addition, crystalline boron can also be used as a raw material for growing long-lasting semiconductor single-crystal materials. Boron-doped silicon single crystals can be grown using a melt-blown method for fabricating high-performance semiconductor devices.
99.9% purity crystalline boron powder is used in the production of solar silicon wafers as a substrate dopant for P-type silicon wafers and as a boron emitter diffuser for N-type silicon wafers. High-purity boron powders of 5N and 6N can be used as dopants for P-type semiconductors to alter their conductivity and are used in the production of high-purity silicon wafers.

Applications of Crystalline Boron in Optics:

Crystalline boron also has extensive applications in optics. Due to its excellent nonlinear optical properties, crystalline boron can achieve functions such as light modulation, frequency sweeping, and frequency doubling. Therefore, crystalline boron is widely used in optical devices, including optical modulators, optical frequency combs, and lasers. Furthermore, crystalline boron can also be used as a gain medium in infrared lasers, exhibiting a large emission cutoff and a wide excitation spectrum range.

Crystalline Boron in High-Hardness Ceramic Materials:

Crystalline boron can also be used to prepare high-hardness materials, such as boron carbide (B4C) and graphite boron compounds (Bg). Boron carbide is an extremely hard ceramic material with excellent wear resistance and high-temperature resistance, and is therefore widely used in the manufacture of bulletproof armor, hard tools, abrasives, and wear-resistant ceramics. Graphite boron compounds are materials with a graphite-like structure, exhibiting high electrical conductivity and thermal stability, and can be used to prepare high-performance conductive binders, thermally conductive materials, and friction materials.

Applications of Crystalline Boron in Thermal Batteries:

Thermal batteries are single-phase thermally activated storage batteries using molten salt as the electrolyte. They have advantages such as small size, light weight, long storage time, maintenance-free operation, rapid and reliable activation, and a wide operating temperature range, and are widely used in the ignition devices of some strategic and conventional weapons. The anode material of a thermal battery plays a decisive role in its capacity, volume, and power output. Thermal battery anode materials have evolved from the initial magnesium-based and calcium-based materials to the current lithium-based materials. Among them, Li-B composites possess outstanding advantages such as high energy density, high power output, low polarization, electrochemical potential close to that of pure lithium, and remaining solid at temperatures above 600℃. It is the most promising thermal battery anode material and is gradually being applied in high-end thermal batteries.

Applications of Crystalline Boron in the Military Industry:

Crystalline boron can be used to manufacture high-purity boron ceramic ballistic materials, high-purity boron delay agents, high-purity boron welding fluxes, high-purity boron explosives, and high-purity boron fuel-rich and oxygen-depleted rocket propellants.

Crystalline boron in alloy manufacturing:

High-purity boron copper alloy, high-purity boron titanium alloy, high-purity boron polycrystalline steel, high-purity boron superhard wear-resistant tools, high-purity boron corrosion-resistant steel plates, high-purity boron nickel alloy, high-purity boron chromium alloy, lithium boron alloy (a novel battery material), boron-magnesium superconducting alloy.

Applications of crystalline boron in aerospace:

High-purity crystalline boron powder can be used as a nano-coating powder material. Through sputtering technology, the powder material is coated onto the surface of a substrate, making components wear-resistant, corrosion-resistant, high-temperature resistant, oxidation-resistant, and weather-resistant. This meets the requirements of engines under the extremely harsh service conditions of aerospace and aviation, and can also meet special requirements in optoelectronics and other fields.