SrI₂(Eu) Scintillator Crystal High-Resolution Gamma Detector

SrI₂(Eu) Scintillator Single Crystals – Custom & Standard Sizes

Our Europium-doped Strontium Iodide (SrI₂:Eu) scintillation crystals deliver exceptional light yield, superior energy resolution, and high gamma-ray detection efficiency. These research-grade crystals are optimized for spectroscopy, radiation monitoring, nuclear instrumentation, and advanced detector development.

Key Advantages

• Ultra-high light yield >65,000 photons/MeV
• Excellent energy resolution ~3.0% @ 662 keV (Cs-137)
• Low intrinsic background
• High effective Z for strong gamma absorption
• Stable scintillation response
• Low afterglow for accurate counting

Available Sizes

Standard Sizes

• 1″ × 1″ cylinder
• 1″ × 2″ cylinder
• 2″ × 2″ cylinder
• 10 × 10 × 10 mm cube
• 25 × 25 × 25 mm cube

Custom Sizes
We support custom crystal growth and finishing according to your specifications:

• Custom dimensions and geometry
• Orientation control
• Optical polishing (selected faces or all)
• Hermetic sealing for hygroscopic protection
• Detector integration with PMT or SiPM

Typical Applications

• Gamma-ray spectroscopy
• Isotope identification
• Nuclear physics instrumentation
• Environmental radiation monitoring
• Homeland security detectors
• Medical imaging research

Technical Specifications

Processing & Integration Options

• Precision cutting and shaping
• Optical-grade polishing
• Reflector wrapping (PTFE or ESR)
• Hermetic encapsulation
• Detector module assembly

Lead Time: 3–4 weeks typical
Ordering: Prototype, single unit, or bulk quantities available.