NaI(Tl) | Scintillation Crystal

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The NaI(Tl) Scintillation Crystal is the industry standard for gamma-ray and X-ray detection. It offers the highest light output among all scintillators and features excellent energy resolution. Because its emission matches perfectly with standard PMTs and photodiodes, it is the premier choice for oil well logging, geological surveys, and environmental monitoring.

SKU: SCN-NAI-TL Category:

Description

NaI(Tl) | The Industry Standard for Gamma and X-Ray Detection

The NaI(Tl) Scintillation Crystal is the most widely utilized material in the field of radiation measurement. It is renowned for having the greatest light output of any common scintillator. Consequently, it delivers exceptional sensitivity for both laboratory and field applications. Furthermore, its emission range coincides perfectly with the maximum efficiency region of bialkali photocathode photomultiplier tubes (PMTs).

🛡️ Exceptional Optical Performance

One of the primary benefits of the NaI(Tl) Scintillation Crystal is its lack of obvious self-absorption. This ensures that the scintillation light travels through the crystal with minimal loss. Therefore, you receive a clear and powerful signal even in large-volume detectors. Moreover, the material provides excellent energy resolution for gamma and X-rays. This clarity allows researchers to identify isotopes with high precision, which is critical for complex spectroscopy tasks.

🔬 Versatile Coupling and Resolution

The NaI(Tl) Scintillation Crystal is highly adaptable to modern sensor technology. While it matches traditionally well with PMTs, it also couples effectively with advanced photodiodes. Because of this flexibility, it is a foundational component in many high-energy physics experiments. In addition, its stable performance under standard conditions makes it the gold standard for environmental monitoring. It provides a reliable baseline for detecting even trace amounts of radiation in the atmosphere or soil.

🔐 Rugged Solutions for Deep-Earth Exploration

Precision and durability are essential in extreme environments like oil well logging and geological surveys. The NaI(Tl) crystal is specifically favored in these sectors because of its high detection efficiency. For instance, when integrated into deep-borehole tools, it maintains its resolution despite the challenging conditions. Furthermore, our crystals are meticulously sealed to protect against moisture. This ensures that the hygroscopic nature of NaI(Tl) does not compromise your data integrity during critical field operations.

Why Choose Our NaI(Tl) Crystals?

We focus on providing the highest quality scintillation materials to maximize your detection accuracy. The NaI(Tl) Scintillation Crystal remains a top choice because it combines unrivaled brightness with proven reliability. By choosing this crystal, you benefit from decades of established research and a material that integrates seamlessly with existing electronics. It is the definitive choice for professionals who require high-performance NaI(Tl) Scintillation Crystal solutions.


Key Features

  • Excellent Light Output: The highest yield among common scintillators for maximum sensitivity.

  • No Self-Absorption: Ensures high light collection efficiency even in large crystals.

  • Superior Resolution: Outstanding energy resolution for gamma and X-ray spectroscopy.

  • Optimal Coupling: Matches perfectly with bialkali PMTs and photodiodes.

  • Proven Reliability: The most established material for radiation detection worldwide.


Main Applications

  • Oil Well Logging: High-efficiency detection for borehole analysis and resource mapping.

  • Geological Survey: Essential for mineral exploration and isotopic mapping.

  • High-Energy Physics: Reliable calorimeter and detector components for research.

  • Environmental Monitoring: Accurate sensing for public safety and laboratory analysis.


Technical Specifications Summary

Feature Specification
Formula NaI(Tl) (Sodium Iodide doped with Thallium)
Peak Emission ~415 nm
Light Yield 100% (Standard Reference)
Hygroscopicity High (Requires Hermetic Sealing)
Decay Time ~230 ns

Compare NaI(Tl) with our high-density BGO Scintillation Crystal for PET applications.”

Technical Specifications

Density

3.67 g/cm³

Melting Point

924 K

Refractive Index

1.85

Effective Atomic Number

51

Hardness

2 Mohs

Radiation Length

2.59 cm

Hygroscopicity

Yes

Cleavage

Yes

Wavelength

415 nm

Lower Wavelength Cutoff

300 nm

Decay Time

250 ns

Light Output

38 photons/keV

Photoelectron Yield

100% ∝ NaI(Tl)

Thermal Expansion Coefficient

47.7 × 10⁻⁶/°C

Afterglow

0.3–5% @ 6 ms

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