LaBr₃ (Lanthanum Bromide) Crystal
Keywords:
Laser Crystals
Magneto-Optic Crystals
Scintillation Crystals
- Product Introduction
- Key advantages
- Application areas
- Product Features
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- Commodity name: LaBr₃ (Lanthanum Bromide) Crystal
LaBr₃ (Lanthanum Bromide) Crystal is a high-performance scintillation material that demonstrates exceptional performance in the fields of radiation detection and spectroscopic analysis. It has garnered significant attention due to its outstanding energy resolution, high light output, and fast response time, and it has been widely applied in various fields.
Product Introduction
LaBr₃ (Lanthanum Bromide) Crystal is a high-performance scintillation material that demonstrates exceptional performance in the fields of radiation detection and spectroscopic analysis. It has garnered significant attention due to its outstanding energy resolution, high light output, and fast response time, and it has been widely applied in various fields.
LaBr₃, a lanthanum-bromide salt compound, represents a breakthrough in inorganic scintillator technology for gamma-ray detection. As a leading candidate in next-generation detectors, it exhibits ultra-fast light output decay time (sub-nanosecond range), enabling exceptional energy resolution—a critical parameter for spectral analysis.
As one of the most actively researched and applied new inorganic scintillation crystal materials, LaBr₃ exhibits outstanding properties, including high light output, fast decay time, and high energy resolution. Its overall performance surpasses that of traditional, high-yield sodium iodide (NaI) scintillators, making it one of the best-performing scintillation crystals discovered to date.
The introduction of cerium (Ce³⁺) as an activator in lanthanum bromide (LaBr₃) scintillator crystals significantly enhances the scintillation performance of the material. This doping mechanism effectively optimizes the light output characteristics of the crystal, achieving an high energy resolution while maintaining a sub-nanosecond decay time.
A particularly noteworthy feature of co-doped LaBr₃:Ce crystals is the distinguishable difference in decay times between γ-ray and α-particle interactions.
Owing to these outstanding performance characteristics, LaBr₃:Ce crystals hold significant value in high-tech applications, including but not limited to:Nuclear medical imaging systems (e.g., PET/SPECT), radiometric measurements in geological exploration and oil well logging, high-energy particle detection in space physics experiments, radiation monitoring and nuclide identification in nuclear security.
Key Advantages
- High light output
- Fast response speed
- Good chemical stability
- Broad spectral response
- Fast decay timeApplication Areas
- Nuclear radiation detection and safety field
- Nuclear medicine
- Aerospace, aviation, and defense sector
- Industrial inspection and research fields
- Environmental monitoring and scientific researchProduct Features
Material Properties
Material Types
LaBr₃
LaBr₃ (Ce)
Density
5.2 g/cm³
5.2 g/cm³
Mohs Hardness
3.0 Mohs
3.0 Mohs
Melting Point
842°C
842°C
Emission Peak Wavelength
380 nm
385 nm
Refractive Index (at the maximum emission wavelength)
1.9
2.0
Decay Time
16 ns
25 ns
Light Yield
63000 Ph/Mev
73000 Ph/Mev
Energy Resolution @ 662 keV
2.6%
2.2%
Deliquescence
Hygroscopic (chemically stable in dry conditions but requires encapsulation due to moisture absorption)
Product Processing Indicators
Dimensional Tolerance
±0.05
Flatness(PV)
≤λ/8@633nm
Parallelism
30″
Perpendicularity
≤10′
Effective Aperture
≥90%
Surface Quality
10-5
We offer customizable coating solutions.
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- Luminescent properties
- Radiation resistance
- Short decay time
- Fine energy resolution
- Non-hygroscopic -
- High-energy physics experiments
- Nuclear Medicine
- Environmental Monitoring
- Space Science
- Large Electron-Positron Collider
- Dark Matter Detection -
Material Properties Molecular formula Bi4Ge3O12 Crystal structure Cubic crystal system Lattice constant a = 1.0518 Å Production method Tiraf Method Density 7.12g/cm3 Mohs Hardness 5Mohs Radiation Length 1.1cm Transmittance range 350 nm ~ 5500 nm Relative Light Output (%) 10-14 Nal (Tl) Fluorescence spectrum peak 480–510 nm Recession time 300ns Energy resolution 20 (511 keV, %) Refractive index 2.098 @ 632.8 nm Melting point 1050°C Product Processing Metrics Directional <001> +/- 0.5° Effective Aperture >90% Dimensions Customized to customer specifications Diameter Tolerance +0 / -0.05 mm Length Tolerance ±0.2mm Protective Chamfer ≤0.2 × 45° Surface finish 10-5 S-D Flatness ≤λ/10 @ 632.8 nm Analyzing wavefront distortion ≤λ/8 @ 632.8 nm Parallelism <20" Verticality ≤15′ Chipped edge < 0.1 mm Coating Customized to customer specifications
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