Lanthanum Hexaboride Powder

Lanthanum Hexaboride Powder

Lanthanum Hexaboride Powder

  • Purity: 99.5% – 99.99%
  • Particle Size: 20 mesh to 500 mesh or customized
  • Custom sizes and standard sizes in stock
  • Quick Lead Time
  • Competitive Price
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Lanthanum Hexaboride Powder is a rare earth boride featuring excellent electrical conductivity, low evaporation rate, and strong thermal stability. With particle sizes available from -20 mesh to -500 mesh, it is commonly used in thermionic emitters, cathodes, and high-temperature coating applications. Both purity and particle size can be customized to suit specific performance requirements.We can supply high-quality Lanthanum Hexaboride Powder with various specifications and competitive prices, offering customized solutions to meet specific requirements.

Or email us at sales@heegermaterials.com.

Lanthanum Hexaboride Powder Data Sheet

Color:Purple
Chemical Formula:LaB6
Purity:99.5% – 99.99%
CAS:12008-21-8
Shape:Irregular

Lanthanum Hexaboride Powder Description

Lanthanum Hexaboride Powder, also known as LaB6 or lanthanum boride, features a stable cubic crystal structure and excellent electron emission properties. Its unique physical characteristics make it an essential material in advanced industries such as aerospace defense systems, electron beam devices, energy-saving coatings, and precision instrumentation. With its distinct purple hue and high performance under vacuum or high-temperature conditions, it supports both industrial-scale manufacturing and cutting-edge scientific research.

Lanthanum Hexaboride Powder Specifications

ProductAverage Particle Size (D50)Purity (%)O (%)N (%)C (%)B (%)
HM-LaB6-130-50 nm>99.030.5~31.8
HM-LaB6-21.0-3.0 μm>99.5≤0.8≤0.10≤0.0530.5~31.8
HM-LaB6-3-325 mesh>99.9≤0.5≤0.05≤0.0530.5~31.8

Lanthanum Hexaboride Powder Chemical Compositions

Impurity Composition (%)
ElementMax ValueTypical ValueElementMax ValueTypical Value ElementMax ValueTypical Value 
Al0.00100.0005Fe0.05000.0300P0.00100.0005
As0.00100.0005K0.00200.0010Pb0.00030.0001
Bi0.00030.0001Mg0.00200.0010S0.00100.0005
Ca0.00150.0006Mn0.00100.0005Sb0.00200.0010
Cd0.00050.0001Mo0.00300.0015Si0.00500.0030
Co0.00050.0001Na0.00200.0005Sn0.00030.0001
Cr0.00500.0020Ni0.00500.0030Ti0.00500.0020
Cu0.00030.0001Nb0.00300.0010V0.00500.0010

Lanthanum Hexaboride Powder SEM

Lanthanum Hexaboride Powder Features

  • Excellent Electrical Conductivity: Supports stable electron flow, ideal for emission and conductive applications.
  • Low Evaporation Rate at High Temperatures: Maintains performance and structural integrity under extreme heat.
  • High Emission Current Density: Efficient electron emitter, widely used in thermionic cathodes and electron beam devices.
  • Strong Thermal and Chemical Stability: Remains stable in harsh environments, resistant to most acids and oxidation at room temperature.
  • Effective Near-Infrared Absorption and Scattering: Useful in thermal shielding and solar energy control applications.

Lanthanum Hexaboride Powder Applications

  • Thermionic Emission Devices: Widely used in electron guns, ion beam sources, magnetron controllers, and accelerator cathodes due to their high emission efficiency.
  • Infrared-Blocking Coatings: Applied to polyethylene films to block near-infrared radiation while maintaining visible light transparency.
  • Nano-Coatings for Architectural Glass: Serves as a functional layer in window coatings to improve energy efficiency and reduce heat transfer.
  • Energy-Saving Insulation Materials: Used in the development of advanced thermal insulation products for buildings and vehicles.
  • High-Temperature Electronic Components: Suitable for use in aerospace and defense technologies requiring materials that perform under extreme thermal and vacuum conditions.

Lanthanum Hexaboride Powder Packaging

Lanthanum Hexaboride Powder is carefully placed in wooden cases or cartons with additional support from soft materials to prevent any shifting during transportation. This packaging method guarantees the integrity of the products throughout the delivery process.

Powder Packing

Get A Quote

We will check and get back to you in 24 hours.

To customize your lanthanum hexaboride powder, please provide the following details:

  1. Particle Size: Specify the desired particle size or range.
  2. Purity of the material
  3. Applications: Provide details about the intended use.
  4. Quantity of the products you need

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of lanthanum hexaboride ceramic products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

While generally stable at room temperature, it should be stored in a dry, sealed container to avoid surface oxidation and maintain purity, especially for high-precision applications.

 Lanthanum hexaboride powder has a low work function and high emission current density, allowing it to efficiently emit electrons even at relatively low temperatures, making it ideal for cathodes in electron beam devices.


Advanced Ceramic Hub, established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of lanthanum hexaboride ceramic products. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of ceramics, refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

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