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CE1850 Cerium Hexaboride Ceramic Part (CeB6 Ceramic Part)

Catalog No. CE1850
Molecular Formula CeB6
Density 4.8g/cm3
Melting Point 2552℃
Crystal Structure Cubic

Stanford Advanced Materials (SAM) offers Cerium Hexaboride CeB6 ceramic parts that are zone refined. Our products have a metal impurity content of fewer than 30 parts per million. Feel free to contact us for custom product information.

Related products: Cerium (III) Acetate, Cerium (III) Oxalate, Cerium (III) Carbonates

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Cerium Hexaboride Ceramic Part (CeB6 Ceramic Part)
Cerium Hexaboride Ceramic Part (CeB6 Ceramic Part)
Cerium Hexaboride Ceramic Part (CeB6 Ceramic Part)
Cerium Hexaboride Ceramic Part (CeB6 Ceramic Part)
Description
Specification
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Cerium Hexaboride Ceramic Part Description

Cerium Hexaboride is a ceramic material wildly used in electron microscopes with a low work function making it one of the most known cathode materials for electron emissivity, and it is very stable in a vacuum. CeB6 has an evaporation rate at normal operating temperatures near 1800 K that is lower than that of LaB6.

Cerium Boride or (Cerium Hexaboride) is generally immediately available in most volumes. Borides are all hard, high-melting materials with metal-like conductivity. They are stable to nonoxidizing acids but break down in strong oxidizing agents and strong alkalis.

Cerium Hexaboride Ceramic Part Applications

1. Electron Sources in Electron Microscopes: CeB6 is commonly used as a cathode material in electron guns for electron microscopes. It provides a stable and bright electron beam, which is essential for high-resolution imaging.

2. Thermionic Emission Devices: Due to its high thermionic emission efficiency, CeB6 is used in various devices where electron emission is needed at high temperatures, such as in X-ray tubes and other vacuum devices.

3. Ion Propulsion Systems: CeB6 is used in ion thrusters for spacecraft propulsion. Its ability to emit electrons efficiently at high temperatures makes it suitable for generating the ionized plasma required for propulsion.

4. High-Temperature Coatings: CeB6 can be used as a coating material for parts that operate under extreme thermal conditions, protecting them from oxidation and degradation.

5. Field Emission Displays (FEDs): CeB6 is also explored in advanced display technologies where field emission is utilized, providing a stable and efficient electron source.

6. Research and Development: CeB6 is used in various experimental setups and research applications that require materials with high melting points and stable thermionic emission characteristics.

Cerium Hexaboride Ceramic Part Specification

Other Names

Cerium boride, Cebix

Chemical Formula

CeB6

EC Number

234-526-9

Molar Mass

204.986 g/mol

Density

4.8 g/cm3

Solubility in Water

Insoluble

Crystal Structure

Cubic

Space Group

Pm3m; Oh

Chemical Composition

CeB6 (% min.)

99.9 %

B (% min.)

31 %

Rare Earth Impurities

Non-RE Impurities

La

<120 ppm

Fe

<250 ppm

Pr

<150 ppm

Si

<100 ppm

Nd

<180 ppm

Ca

<90 ppm

Sm

<112 ppm

C

<300 ppm

Y

<250 ppm

Mg

<100 ppm

Ti

<100 ppm

 

 

Cerium Hexaboride Ceramic Part Packing

Our Cerium Hexaboride Ceramic Part is deliquescent and will be kept sealed. It will be carefully handled during storage and transportation to preserve the quality of our product in its original condition.

Cerium Hexaboride Ceramic Part FAQs

Q1: What is Cerium Hexaboride?

Answer: Cerium Hexaboride (CeB₆) is a refractory ceramic material composed of cerium and boron. It is known for its high melting point, excellent electrical conductivity, and efficient electron emission properties.

Q2: Why is Cerium Hexaboride used in electron emission applications?

Answer: CeB₆ is used in electron emission applications due to its low work function and high efficiency in emitting electrons, making it ideal for use in electron microscopes, electron beam lithography, and other high-vacuum electron emission devices.

Q3: How is Cerium Hexaboride Ceramic Part manufactured?

Answer: CeB₆ ceramic parts are typically manufactured using powder metallurgy techniques, which involve pressing and sintering CeB₆ powder into the desired shape.

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