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Lanthanum Hexaboride (LaB6) materials...
HTRE1242
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Lanthanum Hexaboride (LaB6) materials boast exceptional electronic emission properties and resistance to poisoning. LaB6 stands out as a favored electronic source material, particularly in pursuing long-life design for miniaturized hollow cathodes. Heeger Materials offers top-quality LaB6 customized parts at competitive prices, with customized options to meet specific requirements.
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| Materials | LaB6 |
Lanthanum Hexaboride Customized Parts, LaB6 belongs to the lanthanum hexaboride component range and is selected for controlled material quality, application-specific specifications and reliable supply for research or production use. It is commonly used in electron emission sources, hollow cathodes, ion sources, plasma systems, high-temperature conductive ceramics and custom LaB6 component fabrication. When requesting a quote, confirm LaB6 purity, component geometry, dimensions, tolerance, density, surface finish, machining drawing, operating environment, packaging and quantity.
For material comparison or adjacent product forms, browse all products, deposition materials, technical ceramics and Lanthanum Hexaboride (LaB6) Materials.
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Lanthanum Hexaboride (LaB6) Disc is known for its excellent physical and chemical properties, including a high melting point, good thermal and electrical conductivity, and outstanding electron emissivity. It is commonly used as cathode materials in electron microscopes, X-ray sources, and electron beam welding equipment.

Structure: | polycrystalline | ||
Thermal conductivity: | W/mK | 47 | (20 °C) |
Thermal expansion: | 10-6K-1 | 6.2 | (20 - 900 °C) |
Density: | g/cm3 | 4.72 | |
Melting point: | °C | 2528 | |
Spec. electrical resistance: | microohm cm | ca. 15 | (20 °C) |
Electrical conductivity: | S/cm | 6.65 x 104 | (20 °C) |
Current density: | A/cm2 | 200 | (1600 °C) |
Electron emissivity: | eV | < 4 |
LaB6 Purity: 99%, 99.9%, 99.9995%, B(% min.): 31% | |||
Rare Earth Impurities | Non-RE Impurities | ||
Ce | <120ppm | Fe | <250ppm |
Pr | <150ppm | Si | <100ppm |
Nd | <180ppm | Ca | <90ppm |
Sm | <112ppm | C | <300ppm |
Y | <250ppm | Mg | <100ppm |
Ti | <100ppm | ||
Lanthanum Hexaboride Customized Parts are carefully packaged in carton boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

HM is a leading supplier of other Hexaborid-Ceramics Lanthanides parts, such as Cerium Boride (CeB6) parts, Calcium Hexaboride (CaB6) parts, Europium Hexaboride (EuB6), etc.
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