Cerium-doped lanthanum chloride (Ce:LaCl3) is a prominent scintillation crystal used in various detection applications due to its outstanding scintillation properties. This crystal combines the desirable characteristics of lanthanum chloride with the luminescence efficiency provided by cerium doping, making it highly effective for sensitive and precise radiation detection.
Properties of Cerium-doped Lanthanum Chloride (Ce:LaCl3):
- High Light Yield: Ce:LaCl3 is known for its high light yield, which is crucial for creating clear, detectable signals from captured radiation.
- Fast Decay Time: This crystal features a fast decay time, allowing for quick recovery and readiness for subsequent radiation events, which is essential in high-rate measurement environments.
- Good Energy Resolution: The crystal’s ability to resolve different energy levels of incoming radiation is very effective, aiding in more accurate and detailed radiation spectrum analysis.
- Hygroscopic Nature: Similar to Ce:LaBr3, Ce:LaCl3 is also hygroscopic, requiring careful handling and encapsulation to protect it from moisture and ensure long-term stability and performance.
Applications:
- Radiation Detection: Ce:LaCl3 crystals are extensively used in radiation detectors for environmental monitoring, nuclear security, and radiation protection, providing fast and precise measurements.
- Medical Imaging: Their rapid response time and high resolution make them suitable for imaging applications in nuclear medicine, such as gamma cameras and SPECT (Single Photon Emission Computed Tomography) systems.
- Research and Development: In scientific research, particularly in physics laboratories, Ce:LaCl3 is utilized in experiments requiring detection of gamma rays and other radiation types, due to its excellent performance characteristics.
- Industrial Applications: The crystal’s properties are advantageous in industrial settings for non-destructive testing and radioactive material management, ensuring safety and compliance with regulatory standards.
Manufacturing Ce:LaCl3 involves precise doping processes to integrate cerium into the lanthanum chloride matrix effectively. The crystal growth must be meticulously controlled to achieve the desired scintillation characteristics, and its hygroscopic nature necessitates robust packaging solutions to maintain functionality and durability in various application environments.
Advantages of Ce:LaCl3 Crystals
- Superior energy resolution
- Fast scintillation decay
- Excellent linearity response
- Excellent stability with temperature
- High count rate capabilities
Shapeoptics is Able to Offer
- Ce dopant concentration: < 10% (mol%)
- Size: 50 x 180mm
- Fast delivery
- OEM service
- Standard sizes: 50 x 50mm; 50 x 25mm; 30 x 30mm; 25 x 25mm
- Sealed materials: Aluminum alloys; Stainless steel; Titanium alloys
- For the size is available upon your request
Crystal Properties
| Density / g.cm-3 | 3.67 |
| Melting Point / ℃ | 859 |
| Thermal Expansion / ℃-1 | 11 x 10-6 // c-axis |
| Refractive Index | 1.9 |
| Emission Peak / nm | 350 |
| Decay Constant / ns | 28 |
| Light Yield / photons / keV | 48 |
| Light Output | 80% ~ 95% |
| Energy Resolution | 4.2% ~ 5.1% |
| Cleavage Plane | (100) |
| Hygroscopic | Yes |
Cerium doped Lanthanum Chloride ( Ce:LaCl3) as a newly scin- tillation crystal with excellent properties, including very high light output, fast decay time and good energy resolution, can be sued in the application of Nuclear Medical Imaging (PET, SPECT) High-Energy Physics, -rays detecting, Security and environ- mental monitoring, Geological exploration and etc.
Shapeoptics offers a comprehensive range of materials and advanced equipment for custom and OEM optical components, leveraging over 20 years of expertise in manufacturing lenses, prisms, windows, and more. We utilize high-quality materials like UV and IR grade fused silica, Germanium, and ZnSe, among others. Our state-of-the-art techniques and equipment minimize waste and optimize delivery times. Our in-house capabilities include standard and custom coatings across the UV-NIR spectrum, ensuring high quality and compliance with all industry standards. For precision and reliability in optics, contact Shapeoptics for your next project.
