Cerium Hexaboride (CeB6) Ceramics for Sale | Advanced Ceramic Materials

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Cerium Hexaboride (CeB6) Ceramics

Cerium Boride, also called Cerium Hexaboride or CeB6, is a refractory ceramic material. It has a low work function and one of the highest electron emissivity known, and is stable in a vacuum. Therefore, the principal use of cerium hexaboride is a coating of hot cathodes, or hot cathodes made of cerium hexaboride crystals. Cerium boride cathode usually operates at a temperature of 1450 °C because it shows a lower evaporation rate at 1427℃ than lanthanum boride, but it becomes equal at 1577℃ and higher above that.

Cerium Hexaboride Properties:

Low work function
High electron emissivities
Stable in vacuum

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Cerium Hexaboride Properties

Compound Formula	CeB6
Molecular Weight	204.98
Appearance	Blue
Melting Point	2550 °C
Modulus of Elasticity	379 GPa
Density	4.80-4.87 g/cm3
Thermal Conductivity	33.0 – 34.8 W/m-K

Cerium Hexaboride Applications

Thermionic emission (cathode)
Plasma source for plasma-enhanced coating(PECVD)
Vacuum electron beam welding machine
Electron beam surface reforming device
Electron beam lithography device
Transmission electron microscope
Scanning electron microscope
Surface analysis device
Radiotherapy devices

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Your Cerium Hexaboride Ceramics Supplier

Advanced Ceramic Materials (ACM) is a leading supplier of cerium boride ceramic products of the highest quality for a wide range of applications. We are happy to provide advice on materials, design, and application. Feel free to contact us with any questions about CeB6 or other ceramic materials that are not listed on the website.

FAQ

Q: What Is Cerium Boride?

A: Cerium Boride, also called Cerium Hexaboride or CeB6, is a refractory ceramic material.

Q: What Are the Properties of CeB6?

A: CeB6 has a low work function and one of the highest electron emissivity known, and is stable in a vacuum.

Q: What Is CeB6 Used For?

A: The principal use of cerium hexaboride is a coating of hot cathodes, or hot cathodes made of cerium hexaboride crystals. -Thermionic emission (cathode) -Plasma source for plasma enhanced coating(PECVD) -Vacuum electron beam welding machine -Electron beam surface reforming device -Electron beam lithography device -Transmission electron microscope -Scanning electron microscope -Surface analysis device -Radio therapy devices

Q: What Is the Working Temperature of CeB6 Cathode?

A: Cerium boride cathode usually operates at a temperature of 1450℃ because it shows a lower evaporation rate at 1427℃ than lanthanum boride, but it becomes equal at 1577℃ and higher above that.

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