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Ce:YAP

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Ce: YAP crystal (Chemical formula Ce: YAlO3) shows stable physical and chemical properties, high thermal conductivity, and resistance to harsh operating environments. It exhibits excellent scintillating performance, such as high light yield, and fast decay time (about 27ns). The absorption peak and excitation peak of YAP crystal are mainly concentrated in 230-300nm, and the emission wavelength is in the range of 350-390nm, which matches well with the receiving sensitive wavelength range of photomultiplier tube (PMT) and silicon photodiode (PD).Ce: YAP crystals are widely used in photomultiplier tubes, photoelectric counters, scintillation screens and other devices to realize the detection of high-energy particles, such as α particles, β rays, γ rays, ultraviolet rays, etc.

 

Features Applications
  • High density
  • Stable physical and chemical properties
  • Fast decay time
  • High light output
  • High energy resolution
  • No hygrscopic & cleavage
  • High temperature resistance
  • X-ray, β-ray detection
  • Cs137;-γ rays
  • 60Co-γ rays
  • Photoelectric counter
  • Small animal PET
  • X-Ray imaging screens

MATERIAL PROPERTIES

Chemical formulaCe:YAP
Density (g/cm3)5.37
Melting point (℃)1875
Hardness (Mho)8.5
HygroscopicNo
CleavageNo
Solubility (g/100gHO)N/A
Thermal expansion coeff (C-1)(4-11)*10-6

SCINTILLATOR PROPERTIES

Wavelength(Max. Emission)(nm)370
Wavelength range(nm)325-425
Decay time(ns)28
Light output (photons/MeV)25000
Refractive index1.95@370nm
Radiation length(cm)2.7
Optical transmittance(um) TBA
Transmittance(%) TBA
Reflection loss/surface(%) TBA
Energy resolution(%)≤ 5
Neutron Capture Cross-section (barns)TBA
Afterglow (%)<0.005 @6ms

Ce:YAP scintillator crystal spectra

Ce：YAP transimittence
Ce：YAP transimittence
Ce：YAP PL Intensity
Ce：YAP PL Intensity
Energy spectrum of 662 keV Υ-rays from a 137Cs source measured with Ce：YAP
Energy spectrum of 662 keV Υ-rays from a 137Cs source measured with Ce：YAP
The dependence of light output of Ce：YAP on temperature
The dependence of light output of Ce：YAP on temperature

Energy spectrum of 662 keV Υ-rays from a Cs137 source measured with Ce:YAP

Energy spectrum of 662 keV Υ-rays from a 137Cs source measured with Ce：YAP
Energy spectrum of 662 keV Υ-rays from a Cs137 source measured with Ce：YAP

The dependence of light output of Ce:YAP on temperature

The dependence of light output of Ce：YAP on temperature
The dependence of light output of Ce：YAP on temperature

Related application(s) with Ce:YAP:

X-ray detection PET
 
Medical CT  

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