Cerium-doped lanthanum bromide chloride
Cerium-doped lanthanum bromide chloride has been regarded as a very fast scintillator for decades. Hellma’s growth processes have been developed up to a diameter of 51 mm (2 inches). Our quality standard ensures reliable scintillation properties at the highest level. Our customers rely on our proven quality.
The most important facts about Ce:LBC
Decay time
< 25
ns
Energy resolution @662 keV
2.8
%
𝛾-Background
~ 1.5
Bq/cm³
All geometries are available with individual customer advice and specific solutions.
Properties of our Ce:LBC:
- High-resolution 𝛾 detector
- Very short decay time
- Very high light yield
- Good radiation hardness
- High density and therefore stopping power
Our Ce:LBC crystals are ideal for the following applications:
- Detection of 𝛾 radiation, even from very weak sources
- Applications that require fast signal processing
- Applications in a highly radioactive environment
Features of the Ce:LBC at a glance
| Scintillation properties | |
|---|---|
| Emission wavelength [nm] | 380 |
| Energy resolution @662 keV [% FWHM] | 2.8 |
| Light yield [photons/MeV] | 75˙000 |
| Decay time [ns] | < 25 |
| Background [Bq/cm3] | ~ 1.5 |
| Zeff | 44 … 45.2 |
| Optical, mechanical, thermal properties | |
|---|---|
| Refractive index @ emission wavelength | 2.1 |
| Density [g/cm³] | ~ 5.0 |
| Thermal conductivity [W m-1 K-1] | 0.9 |
| Linear expansion coefficient [10-6 K-1] | 22.2 |
| Crystal structure | hexagonal, anisotropic |
| Hygroscopic | Yes |
| Forms of delivery | |
|---|---|
| Diameter max. [mm] | 25 | 50 |
| Thickness max. [mm] | 178 | 50 |
| Surface quality | fine ground |
Your advantages with scintillators from Hellma Materials:
- High-quality crystals with defined crystal orientation and without grain boundaries
- Fast lead time
- Customised made-to-measure products
- Individual series and prototype production
