Scintillation Crystals

Sodium iodide (NaI) crystal

Sodium iodide (NaI) crystal

Type:Scintillation Crystals

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  • Description
  • Parameter
Product Description

Sodium iodide (NaI) crystal is a conventional scintillation crystal with a density of 3.67g/cc and a yield of 40,000photons/MeV with an energy resolution of 6.5% for 662keV and a attenuation time of 360ns. This material is easy to delix, must be encapsulated in the crystal material before it can be used. This kind of crystal material is mainly used in counting, energy spectrum analysis and other radiation detection equipment.
We have complete capabilities in sodium iodide crystal devices, including single crystal growth, polycrystal preparation, crystal processing and packaging. Sodium iodide polycrystal has superior mechanical properties and comparable scintillation properties to single crystals. It is the preferred material for high temperature and strong vibration in harsh environment. We manufacture room temperature crystal devices, including custom shaped devices, as well as high temperature vibration resistance devices.


Medical equipment
Homeland security
Oil logging
High energy physics
Deep space exploration

物理性能 Physical Properties 指标 Specs
能量分辨率 Energy resolution [%] @ 662 keV 6.0%
最大发光波长 Maximum luminescence wavelength [nm] 415
折射率 @ 最大发光 Refractive index @ maximum luminescence ~1.8
衰减时间 Attenuation time [ns] 318
光输出 Light output [photons/keV] 40
密度 Density [g/cm3] 3.67
潮解 Hygroscopic Yes