Cerium Hexaboride Powder Description
Cerium Hexaboride Powder is a compound composed of cerium and boron, known for its exceptional properties in electronic and materials applications. Cerium Hexaboride is renowned for its high electron emissivity, making it an excellent material for use in thermionic emission devices, field emission displays, and cathode applications. Cerium Hexaboride exhibits excellent electrical conductivity, contributing to its effectiveness in electronic applications and as a component in conductive materials.
Cerium Hexaboride Powder Specifications
Other Names
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Cerium boride, CeBIX
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Chemical Formula
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CeB6
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EC Number
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234-526-9
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Molar Mass
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204.986
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Density
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4.8 g/cm3
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Solubility in Water
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Insoluble
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Crystal Structure
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Cubic
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Space Group
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Pm3m; Oh
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Chemical Composition
CeB6 (% min.)
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99.9%
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B(% min.)
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31%
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Rare Earth Impurities
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Non-RE Impurities
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La
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<120ppm
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Fe
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<250ppm
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Pr
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<150ppm
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Si
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<100ppm
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Nd
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<180ppm
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Ca
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<90ppm
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Sm
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<112ppm
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C
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<300ppm
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Y
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<250ppm
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Mg
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<100ppm
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Ti
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<100ppm
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|
|
Cerium Hexaboride Powder Applications
- Used to coat some high-current hot cathodes
- Electron microscopes such as SEM, TEM
- X-ray tubes
- Electron lithography
- Electron beam welding
Cerium Hexaboride Powder Storage Conditions
Cerium Hexaboride Powder should be stored in dry, cool and sealing of the environment, cannot be exposure to air, in addition should avoid the heavy pressure, according to ordinary goods transportation.
Cerium Hexaboride Powder Packing
Cerium Hexaboride Powder is clearly tagged and labeled externally to ensure efficient identification and quality control. Great care is taken to avoid any damage which might be caused during storage or transportation.
Cerium Hexaboride Powder FAQs
Q1: What is cerium hexaboride (CeB6) powder used for?
Cerium hexaboride powder is primarily used as a thermionic emitter in electron sources for applications such as electron microscopy, electron beam lithography, and as a dopant in specialty ceramics.
Q2: What are the key properties of cerium hexaboride powder?
CeB6 powder exhibits a low work function, high electrical conductivity, and good thermal stability, making it an efficient emitter of electrons when used in cathodes and electron guns.
Q3: How is cerium hexaboride powder synthesized?
Cerium hexaboride powder is typically synthesized through a solid-state reaction between cerium oxide (CeO2) and boron carbide (B4C) at high temperatures under reducing conditions.