Lanthanum Hexaboride Hollow Cathode, LaB6 Cathode-Heeger Materials Inc View larger

Lanthanum Hexaboride Hollow Cathode, LaB6 Cathode


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Lanthanum Hexaboride (LaB6) Hollow Cathode is an electronic device that utilizes lanthanum hexaboride (LaB6) as the cathode material to generate an electron beam for various applications. Heeger Materials offers top-quality Lanthanum Hexaboride (LaB6) Hollow Cathode at competitive prices, with customized options to meet specific requirements.

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Lanthanum Hexaboride Hollow Cathode also called lanthanum boride hollow cathode and LaB6 hollow cathode has excellent performance such as high conductivity, good stability, and lower evaporation rate. It is usually used as the cathode material widely used in many fields of modern technology, such as plasma generators, RF ion sources, mass spectrometers, electronic micromirrors, and some electronics.

LaB6 CathodeLanthanum Hexaboride Hollow Cathode, LaB6 Cathode

Lanthanum Hexaboride Hollow Cathode Property

  •   Low work function (Electron emissivity)
  •   Good thermal shock resistance
  •   Good electrical conductivity
  •   Good chemical and oxidation resistance



Thermal conductivity:



(20 °C)

Thermal expansion:



(20 - 900 °C)




Melting point:



Spec. electrical resistance:

microohm cm

ca. 15

(20 °C)

Electrical conductivity:


6.65 x 104

(20 °C)

Current density:



(1600 °C)

Electron emissivity:


< 4

Lanthanum Hexaboride Hollow Cathode Applications

  • Scanning electron microscopes (SEM)
  • Transmission electron microscopes (TEM)
  • Electron beam welding
  • Electron beam melting
  • Particle accelerators
  • X-ray generators

Lanthanum Hexaboride Hollow Cathode Packing

Lanthanum Hexaboride (LaB6) Hollow Cathode is carefully packaged in cartons boxes with foam protection to minimize damage during storage and transportation and to preserve the quality of our products in their original condition.

Lanthanum Hexaboride Hollow Cathode Packing

Other Hexaborides Hollow Cathodes

HM is a leading supplier of other Hexaborid-Ceramics Lanthanides hollow cathodes, such as Cerium Boride (CeB6) Hollow Cathodes, Calcium Hexaboride (CaB6) Hollow Cathodes, Europium Hexaboride (EuB6) Hollow Cathodes, etc.

Why choose us?

  • The minimum order quantity is 1 piece.
  • High purified material of 99.995%.
  • Competitive Pricing and lead time.

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