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ACMModel LaB6 -Lanthanum Hexaboride

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Lanthanum Boride, also called Lanthanum Hexaboride or LaB6, is a refractory ceramic material. It has a high melting point of 2210 °C, and is insoluble in water and hydrochloric acid. And it is stable in vacuum. Borides are hard, high-melting materials with metal-like conductivity, and they are stable to nonoxidizing acids but break down in strong oxidizing agents and strong alkalis. Borides are used in semiconductors, superconductors, diamagnetic, paramagnetic, ferromagnetic, anti-ferromagnetic, turbine blades, and rocket nozzles.

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The principal application of LaB6 is in hot cathodes, either as a single crystal or as a coating deposited by physical vapor deposition. LaB6 is a superconductor with a relatively low transition temperature of 0.45 K.

Other 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
  • Radio therapy devices