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Ce:LaBr3

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Ce:LaBr3 crystal (also known as cerium-doped lanthanum bromide crystal) is one of the new generation of gamma radiation detector materials based on inorganic scintillators. Its emission spectrum is in the range of 360nm-410nm.

The Ce:LaBr3 crystal shows excellent scintillating performance, such as high energy resolution, high light output (61000ph/Mev), and fast decay time (about 30ns).  Which is an ideal substitute for the traditional scintillation crystal NaI. Ce: LaBr3 crystals are widely used in photomultiplier tubes, scintillating screens and other devices to detect high-energy γ- rays. It has been widely used in nuclear physics, geophysics, petroleum exploration, medical imaging.

Features Applications
  • Fast decay time
  • High Light output
  • High energy resolution
  • Good temperature resistance
  • γ-ray detection
  • X-ray medical imaging
  • Nuclear physics
  • Nuclear radiation detection
  • Geophysics
  • Petroleum exploration

Material Features

Chemical formulaLaBr3
Density (g/cm3)5.2
Melting point (℃)783
Hardness (Mohs)3
Molar mass (g/mol)378.62
Appearancewhite solid, hygroscopic
Solubility in watervery soluble

Scintillator Properties

Decay time (ns)25
Light output (photons/MeV)63000
Crystal structurehexagonal
Radiation length (cm)1.881
Attenuation (mm)@511keV22
Emission peak wavelength (nm)370
Reflection loss/surface (%)6.8
Radiation length (cm)9.95
Energy resolution (%)@662keV2.9

Spectra

Ce：LaBr3 emission spectrum
Ce：LaBr3 temperature relationship
Ce：LaBr3 γ energy spectrumCe：LaBr3 decay curve

Related application(s) with Ce:LaBr3:

Medical CT

 

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