Scintillation Crystal Materials

  • Cerium-doped silicate yttrinm lutetium (or Ce:LYSO) crystal is a Cerium doped lutetium based scintillation crystal, it is a new type of scintillation materials which has excellent properties: high density, short decay time, high light output, anti-radiantion hardness, and stable chemical and physical properties. LYSO(Ce) is ideal for applications that require higher throughput, better timing and energy resolution, including time-of-flight PET machines. Hangzhou Shalom EO provide the the boules, blanks, polished elements and arrays made of LYSO(Ce) crystals.
  • YAG(Ce) or Ce:YAG is a non-hygroscopic, chemically inert inorganic scintillator. The wavelength of the maximum emission at 560nm is well matched to CCD sensitivity. Ce:YAG is a reasonably fast scintillator with a relative light yield of 21% of NaI(Tl). Yag(ce) scintillators are used in SEM, electronic imaging, beta-ray and X-ray counters and imaging. It has excellent temperature and mechanical characteristics which makes it suitable for ultra-thin screen of <0.005mm. Ce:YAG crystals has a high threshold for high energy electrons or ions, makes it suitable for high electric current environment.
  • Cerium doped yttrium aluminum (or Ce:YAP) crystals is a type of fast scintillating materials, it is mechanically strong and chemically inert, suitable for precise mechanical fabrications. A very thin aluminum layer film could be deposited on the entrance surface to avoid the light-sensitivity. Ce:YAP scintillators has ultra-low energy secondary X-ray emissions, makes it suitable for imagining applications. Ce:YAP detectors are used for gamma and X-ray counting, electron microscopy, electron and X-ray imaging screens, and computer tomography systems.
  •  Thallium activated Cesium Iodide or CsI(Tl) crystals is one of the brightest scintillator.  The maximum of the broad emission situated at 550nm is is well suited for photodiode readout. CsI(Tl) is slightly hygroscopic with plastic mechanical properties. Combined with the relatively good radiation hardness properties, CsI(Tl) is well suited for High Energy Physics.
  • Cerium doped Silicate Yttrinm YSO(Ce) belongs to monoclinic rare earth orthosilicate crystal, it is similar with the LYSO(Ce) with same emission peak(420nm) and similar decay time(50-70ns), but it has no background(Lutecium), which need to be removed in some precise detection field.
  • BGO crystal is one of the most widely used scintillation materials of the oxide type. It has a high Z, high density scintillation material. Due to the high atomic number of bismuth (83) and the material's high density of 7.13 g/cm3, BGO is a very efficient gamma ray absorber. Given the high Z value of the material, the photo fraction for gamma ray absorption is high, as a result very good peak-to-total ratios are observed. Due to these features, BGO crystals are used in high-energy physics (scintillators for electromagnetic calorimeters and detecting assemblies of accelerators), spectrometry and radiometry of gamma-radiation, positron tomography.
  • Labr3(ce) scintillator as a new generation of nuclear radiation detection scintillation material, they have a outstanding performance: high energy resolution, high time resolution, high light output, good energy non-linearity and short decay time, etc. they are widely used in environment monitoring, oil well logging, nuclear medicine, high-energy physics, security, counter-terrorism, nuclear identification.
  • CeBr3 crystals have the advantages of low background, high energy resolution, high light output, high energy non-linearity, short decay time and excellent time resolution, they have a wide application prospect in environment monitoring, oil well logging, nuclear medicine, high-energy physics, security, counter-terrorism, nuclear identification , etc.  
  • Lacl3(ce) crystals belong to hexagonal system, the light output of LaCl3:Ce crystals is similar to the NaI(Tl) crystals, the decay time is 28ns, only 1/10 of NaI:TI, the energy resolution is 1/2~2/3 of NaI(Tl) crystals, they also have a good mechanical properties, excellent temperature performance, they have a good consistency of energy resolution within a wide temperature range.

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