Advantage:
High energy resolution
High light output
High photon yield
Application:
Gamma cameras
PET scanners,
Radiation detection
Specification Parameter
| Properties | Value | Unit |
| Density | 3.67 | g/cm³ |
| Hardness | 2 | Mohs |
| Melting point | 924 | k |
| Wavelength of emission max. | 415 | nm |
| Light yield | 38,000 | Photon/Mev |
| Decay Constant | 264 | ns |
| Cleavage | (100) | |
| Hygroscopic | Yes |
NaI(Tl) (Sodium Iodide) crystals are known for their exceptionally high scintillation efficiency, making them one of the most commonly used materials for radiation detection. They generate some of the highest signal outputs in photomultiplier tubes (PMTs) based on the amount of radiation absorbed. The emission peak of NaI(Tl) closely aligns with the spectral response of PMTs that use bialkali photocathodes, allowing for highly efficient light detection.
These crystals are extensively applied in a wide range of radiation detection scenarios, including nuclear medicine, environmental monitoring, nuclear physics, aerial radiometric surveys, well logging, and more.
EBO provides custom fabrication of NaI(Tl) crystals in various sizes and geometries to suit specific application needs. However, since NaI(Tl) is hygroscopic—readily absorbing moisture from the air—it requires careful handling and appropriate storage conditions to prevent performance degradation and to ensure long-term reliability.
Related Products
Advantage:
High transparency
Excellent durability
Good resistance to vibration, impact, and humidity
Advantage:
High refractive index
Advantage:
Excellent energy resolution
Dual detection capability
Fast response time
High light yield
LYSO(Ce) - Lutetium Yttrium Orthosilicate (Lu₂SiO₅:Ce) is a relatively new scintillator crystal that features high density, high light output, short decay time and good radiation resistance. These properties make it ideal for detecting and measuring ionizing radiation such as gamma rays and positrons.
Advantage:
High light outputs
Best energy resolution
Fast emission
Excellent radiation hardness
Fast decay times
Advantage:
High photon yield
High energy resolution
Non-hygroscopicity
GAGG Scintillation Crystal Gadolinium Aluminum Gallium Garnet
BGO (Bismuth Germanate) is a high-Z, high-density scintillating crystal. The material has a high atomic number (Z=83 for bismuth) and a density of 7.13 g/cm³, making it a highly efficient gamma-ray absorber.
Due to the high-Z properties of the material, the gamma-ray-induced light absorption fraction is significantly enhanced, resulting in an excellent peak-to-total ratio.
Cesium iodide (CsI(Tl)), activated by thallium, is one of the most efficient scintillators discovered so far. CSI Crystal exhibits thallium-activated luminescence with an emission peak at 550 nm and a light output of 45% relative to NaI(Tl). In contrast, cesium iodide activated by sodium (CsI(Na)) features a sodium-activated emission peak at 420 nm and a higher light output (85% of NaI(Tl)). Both materials share properties such as deliquescence, soft and plastic mechanical behavior, radiation resistance, high-temperature tolerance, and fast timing characteristics (for pure CsI). They are widely used in particle detection for high-energy physics experiments, medical SPECT imaging, baggage/container security inspection, industrial level sensing and non-destructive testing, and cosmic ray research in space physics.
Advantage:
High sensitivity
Low afterglow
Fast conversion
Advantage:
High density
Strong anti-radiation ability
No background radiation