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You are here: Home / Scintillator Products / Pr:LuAG

Pr doped Lu3Al5O12(LuAG), which was first introduced in 2005, has attracted great attention for its good scintillator performance having high density (6.7 g/cm3), fast decay time(~20 ns), high light yield and excellent energy resolution of 4.6%. Those demonstrated it a competitive scintillator.

Pr:LuAG Scintillator Crystal— A promising Fast Scintillator used for TOF

Scintillators with high light yield and fast decay are essential in the time-of-flight (TOF) technique for a satisfactory coincidence timing resolution to give precise TOF information. Among garnets, Pr:Lu3Al5O12 was pointed out as a promising fast scintillator already in 2005. Pr:LuAG has a decay time of about 20 ns, which is even shorter than that of Ce:LSO. The light yield of Pr:LuAG is 3 times higher than that of BGO. In addition, Pr:LuAG has a high density of 6.7 g/cm3 which is important of x and g-ray detection, as well as an outstanding energy resolution of 4.6% at 662 keV that is beneficial for gamma ray discrimination. It has been attracting much attention and is presently commercially used in Positron Emission Mammography (PEM).

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Parameter

Material Features
Chemical formulaPr:Lu3Al5O12
Density (g/cm3)6.73
Melting point (℃)2043
Hardness (Mho)7.5
HygroscopicNo
CleavageNo
Solubility (g/100gH2O)N/A
Thermal conductivity (W/mK)9.7
Thermal expansion coeff (C-1)8.8*10-6
Scintillator Properties
Wavelength(Max. emission) (nm)310
Decay time (ns)20
Light yield (photons/keV)22
Light output relative to Nal(Tl) (%)20
Refractive index2.03@310nm
Radiation length (cm)1.41
Optical transmission (um)TBA
Transmittance (%)TBA
Reflection loss/surface (%)TBA
Energy resolution (%)≤5
Neutron Capture Cross-section (barns)TBA
Afterglow (%)<0.3
Spertrum
Feature
Application
Reference
News
Feature
  • High density
  • Fast decay time
  • High light yield
  • Excellent energy resolution
Application
  • Time-of-flight (TOF) technique
  • Positron Emission Mammography (PEM)
  • Computed tomography (CT) medical imaging
  • Positron emission tomography (PET)
  • High energy physics
  • Neutron detection
  • UV light source
Reference
Characterization of 1.2×1.2 mm2 silicon photomultipliers with Ce:LYSO, Ce:GAGG, and Pr:LuAG scintillation crystals as detector modules for positron emission tomography
Characterization of Pr:LuAG scintillating crystals for X-ray spectroscopy
Crystal Growth and Scintillation Properties of 2-Inch-Diameter Pr:Lu3Al5O12 (Pr:LuAG) Single Crystal
Detection of scintillation light from Pr:Lu3Al5O12(LuAG) by gallium nitride photodiode
Development of Pr:LuAG Scintillator Array and Assembly for Positron Emission Mammography
Effect of thermal annealing on light yield, low temperature thermoluminescence, and time profiles of LuAG:Pr scintillator crystals
Energy Resolution of Ce:GAGG and Pr:LuAG Scintillators Coupled to 3 mm × 3 mm Silicon Photomultipliers
Energy Transfer to Pr3+ions in Pr:Lu3 Al5O12 (LuAG) Single Crystals
Evaluation and development for positron emission mammography based on Pr:LuAG scintillator crystals
Functional possibilities of inorganic-organic hybrid scintillator; Pr:LuAG scintillator covered with plastic scintillator

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