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Lanthanum Hexaboride Plate/Sheet/Disc
Lanthanum Hexaboride Plate/Sheet/Disc offers excellent thermionic emission, high thermal stability, and strong resistance to chemical corrosion. Thanks to its low work function and high melting point, it is widely used as a cathode material in electron beam devices, plasma generation, X-ray sources, and vacuum electronics. Whether in flat plate, thin sheet, or precision disc form, LaB₆ delivers consistent performance under extreme vacuum and high-temperature environments. We can supply high-quality yttria stabilized zirconia rod/bar with various specifications and competitive prices, offering customized solutions to meet specific requirements.
Or email us at sales@heegermaterials.com.Lanthanum Hexaboride Plate/Sheet/Disc Data Sheet
| Color: | Purple |
| Chemical Formula: | LaB6 |
| Dimension: | customized |
Lanthanum Hexaboride Plate/Sheet/Disc Description
Lanthanum Hexaboride Plate/Sheet/Disc is a high-performance ceramic material engineered for advanced electron emission and high-temperature applications. With a low work function of approximately 2.4 eV, a high melting point of around 2528 °C, and excellent thermal and electrical conductivity, LaB₆ stands out as an efficient and durable cathode material. It is commonly used in electron beam equipment, plasma generation systems, X-ray sources, and vacuum electronic devices, where reliable emission and long service life are critical. The plate, sheet, and disc formats provide stable, uniform surfaces ideal for integration into precision systems operating in high-vacuum and high-heat environments. Known for its resistance to chemical degradation and minimal evaporation, lanthanum hexaboride ensures consistent performance across various demanding industrial and research applications.
Lanthanum Hexaboride Rod/Bar 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 Plate/Sheet/Disc Features
- Excellent Thermionic Emission: Lanthanum hexaboride plate/sheet/disc offers superior electron emission due to its low work function, making it ideal for cathode applications in electron beam systems.
- High Thermal Stability: With a melting point above 2500 °C, lanthanum hexaboride plate/sheet/disc maintains structural integrity under extreme temperatures.
- Strong Chemical Resistance: Lanthanum hexaboride plate/sheet/disc is highly resistant to oxidation and chemical corrosion, ensuring long-term performance in harsh environments.
- High Electrical Conductivity: Thanks to its good electrical conductivity, lanthanum hexaboride plate/sheet/disc ensures efficient current flow for stable emission in vacuum systems.
- Minimal Evaporation in Vacuum: Lanthanum hexaboride plate/sheet/disc exhibits low vapor pressure, minimizing material loss during high-temperature vacuum operations.
Lanthanum Hexaboride Plate/Sheet/Disc Applications
- Electron Beam Devices: Lanthanum hexaboride plate/sheet/disc is used as a stable cathode material in electron beam welding systems and electron beam evaporation sources, providing efficient and long-lasting emission.
- Scanning and Transmission Electron Microscopes: In both SEM and TEM systems, lanthanum hexaboride plate/sheet/disc offers high brightness and resolution due to its excellent thermionic emission performance.
- Plasma Generation Systems: Lanthanum hexaboride plate/sheet/disc is utilized in plasma sources for applications like PECVD and ion beam processing, where stable electron flow and high temperature resistance are essential.
- X-ray Tube Cathodes: Lanthanum hexaboride plate/sheet/disc serves as a reliable cathode in X-ray generation equipment, delivering consistent electron output under high-vacuum and thermal stress.
- Vacuum Electronics and Research Instruments: Lanthanum hexaboride plate/sheet/disc is applied in advanced vacuum tubes, mass spectrometers, and particle accelerators, where emission reliability and structural stability are critical.
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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