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Lanthanum Hexaboride Ring
Lanthanum Hexaboride Ring offers excellent thermal stability, high electrical conductivity, and outstanding electron emission characteristics. With a low evaporation rate and strong resistance to chemical corrosion, this ring is ideal for use in high-vacuum environments such as electron beam systems, plasma sources, and thermionic emission applications. Its ring structure ensures uniform current distribution and long-lasting performance under extreme operating conditions. We can supply high-quality Lanthanum Hexaboride Ring with various specifications and competitive prices, offering customized solutions to meet specific requirements.
Or email us at sales@heegermaterials.com.Lanthanum Hexaboride Ring Data Sheet
| Color: | Purple |
| Chemical Formula: | LaB6 |
| Diameter Range: | customized |
| Thick Range: | customized |
Lanthanum Hexaboride Ring Description
Lanthanum Hexaboride Ring is a high-purity ceramic part recognized for its superior thermionic emission and long operational life in extreme environments. Engineered for use in high-energy physics, surface analysis instruments, and vacuum electronics, this material ensures reliable electron output and thermal resistance. Its excellent work function and emission efficiency make it a preferred choice in systems requiring stable electron beams, especially under continuous high-temperature operation.
Lanthanum Hexaboride Ring Chemical Compositions
| 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 Ring Features
- Outstanding Thermionic Emission Performance: Lanthanum Hexaboride Ring offers a low work function and high emission current density, making it ideal for thermionic cathode applications in vacuum electronic devices.
- Exceptional High-Temperature Resistance: With melting points exceeding 2500 °C, the Lanthanum Hexaboride Ring remains stable and reliable under extreme thermal loads, ideal for long-duration operations.
- Low Evaporation Rate: Thanks to its dense crystal structure, the Lanthanum Hexaboride Ring exhibits minimal material loss, ensuring longevity even in continuous high-temperature environments.
- Excellent Electrical Conductivity: Its high conductivity enables efficient current flow, which is crucial for stable operation in ion sources, electron beam systems, and other high-power devices.
- Corrosion and Oxidation Resistance: Lanthanum Hexaboride Ring resists degradation in reactive or vacuum environments, maintaining its physical and chemical integrity over time.
Lanthanum Hexaboride Ring Applications
- Plasma Generation Systems: Lanthanum Hexaboride Ring is widely used in plasma generators where stable and efficient electron emission is essential for high-density plasma formation.
- RF and DC Ion Sources: Serves as a robust cathode material in radio-frequency and direct current ion sources for use in semiconductor fabrication, surface modification, and research.
- Mass Spectrometers: Lanthanum Hexaboride Ring ensures reliable electron emission in mass spectrometry instruments, enhancing ionization efficiency and measurement precision.
- Electron Beam Devices: Utilized in scanning electron microscopes (SEM), electron beam welders, and lithography systems due to its consistent electron output and long lifespan.
- Thermionic Energy Conversion: Plays a role in converting heat into electricity using thermionic emission, especially in experimental energy systems operating at high temperatures.
Lanthanum Hexaboride Ceramic Properties
Lanthanum Hexaboride Ceramic Material Machining
Lanthanum Hexaboride (LaB6) Ceramic is a specialized material prized for its excellent thermionic emission, high melting point, and chemical stability. These properties make it essential in electron emission applications but also pose challenges in machining due to its hardness and brittleness. Key machining considerations include:
- Cutting: Precision diamond-coated tools or laser cutting methods are necessary to achieve clean edges while preventing microcracks and surface damage.
- Grinding: Fine diamond grinding wheels provide the accuracy needed to maintain dimensional tolerances and surface smoothness, particularly for intricate or small components.
- Drilling: Ultrasonic or abrasive waterjet machining techniques are often used to create precise holes and features without inducing thermal stress or cracking.
- Surface Finishing: Polishing processes improve surface quality, reduce electron scattering, and enhance emission efficiency, which is critical for high-performance cathode applications.
Lanthanum Hexaboride Ceramic Packaging
Lanthanum hexaboride ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.
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