Lead Tungstate Crystal Substrates Description
Lead Tungstate Crystal Substrates have high density, short radiation length, high radiation hardness, small decay constant and moderate price and are promising radiation detection materials.
PbWO4 crystal has the characteristics of fast luminescence, high density, and high irradiance. PbWO4 single crystal is widely used in high-energy physics detection devices and has broad application prospects in nuclear medicine. Due to its good optical properties and stable physical and chemical properties, Lead Tungstate Crystal Substrate is also an excellent photovoltaic crystal material.
Lead Tungstate Crystal Substrates Specifications
|
Substrate
|
PbWO4 substrate
|
|
Crystal Structure
|
Tetragonal system
|
|
Lattice constant
|
a=b=50416Å c=12.049Å
|
|
Melting point
|
1123 °C
|
|
Density
|
8.28 g/cm3
|
|
Mohs hardnes
|
/
|
|
Refractive index
|
2.16
|
|
Radiation length(cm)
|
0.92
|
|
Attenuation constant(us)
|
6ns/30ns
|
|
Peak value(nm)
|
440/530
|
|
Light output rate(%NaITl)
|
0.5
|
|
Hygroscopicity
|
None
|
|
Standard Size
|
20x20x0.5mm, 10x10x0.5mm, 5x5x0.5mm
|
|
Polishing
|
Fine ground, One side polished or Two side polished
Surface Roughness(Ra) < 5A
|
Lead Tungstate Crystal Substrates Applications
Lead Tungstate Crystal Substrates have been used in:
- Photovoltaic crystal material
- Nuclear medicine
- High-energy physics detection devices
Package of Lead Tungstate Crystal Substrates
Lead Tungstate (PbWO4) Crystal Substrates are meticulously packaged with anti-static protective layers, moisture-resistant sealing, and shock-absorbing materials to ensure safe transit and storage. Each package includes detailed labeling and documentation to meet international shipping standards.
FAQs
Q1. What makes Lead Tungstate crystals ideal for scintillation detectors?
PbWO4 crystals offer high density, short decay time, and excellent radiation hardness, making them ideal for high-energy photon and particle detection.
Q2. Are PbWO4 Crystal Substrates suitable for medical imaging applications?
Yes, PbWO4 crystals are used in CT scanners and other medical imaging systems for their fast response and high light output, ensuring accurate imaging results.
Q3. What are the optical properties of Lead Tungstate crystals?
Lead Tungstate crystals have high transparency in the visible spectrum, with a refractive index of approximately 2.16 and significant birefringence.
