Bismuth Germanate Scintillation Crystal (BGO)Product Type: Scintillation crystal
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For model selection, technical specification confirmation or configuration support, contact our technical sales team.
E-MAIL: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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This scintillation crystal requires coupling to a photomultiplier tube with a Teflon reflector for optimal light collection and energy resolution. The crystal exhibits no deliquescence and no cleavage plane, allowing standard dry storage without special humidity control.
- Detector Coupling Requirement: The BGO crystal must be coupled to a photomultiplier tube (e.g., R1306) with a Teflon reflector of 0.80 mm thickness to achieve the specified energy resolution of 11.9% under Cs-137 excitation at 650 V.
- Environmental Stability: The crystal is non-deliquescent and has low moisture sensitivity, so it can be stored in standard dry laboratory conditions without desiccants.
- Mechanical Robustness: The absence of a cleavage plane reduces the risk of fracture along crystallographic planes during handling and mounting.
What is the energy resolution of the Atomfair BGO scintillation crystal at 650 V with a Cs-137 source?
The measured energy resolution for the AF-BGO-480 model is 11.9% at a test voltage of 650 V using a Cs-137 radiation source, coupled to an R1306 photomultiplier tube with a 0.80 mm Teflon reflector. This value applies to the characterization crystal size of Φ25 mm × 25 mm.
Can the BGO crystal be used in high-humidity environments without protective encapsulation?
Yes, BGO is non-deliquescent and has no cleavage plane, making it stable under ambient conditions without special moisture protection. Its stable physical and chemical properties allow direct use in environmental monitoring and security inspection applications where humidity control is limited.
What is the maximum available boule size for the Atomfair BGO crystal, and what finished forms are offered?
The maximum boule size is 40 mm × 80 mm × 280 mm, grown via the Bridgman method. Finished forms include single crystals and crystal arrays, allowing customization for detector geometries in nuclear medicine or high-energy physics experiments.
This BGO scintillation crystal offers a balanced combination of high density, radiation hardness, and chemical stability, making it suitable for nuclear medicine and radiation detection, though its moderate energy resolution and relatively slow decay time impose constraints for high-rate or high-precision spectroscopy.
Positive
- High density and radiation resistance: With a density of 7.13 g/cm³ and strong radiation resistance, BGO crystals provide effective stopping power for gamma and X-ray detection without significant degradation over time.
- Stable, non-hygroscopic crystal: BGO exhibits no deliquescence and no cleavage plane, enabling reliable operation in ambient laboratory conditions without specialized moisture or mechanical handling precautions.
Trade-offs
- Moderate energy resolution: The measured energy resolution of 11.9% at 662 keV (Cs-137) is adequate for many applications but may be insufficient for high-precision spectroscopy requiring sub-10% resolution.
- 317 ns decay time limits count rate: With a decay time of 317 ns, BGO is slower than some alternative scintillators (e.g., LYSO, LaBr3), which may restrict its use in high-event-rate environments such as time-of-flight PET or fast timing applications.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
