Scintillation Crystals and Detectors: CsI (Tl)

Description

CsI (Tl) is another scintillation crystal used for detecting gamma rays, X-rays, and high-energy particles. It is composed of cesium iodide (CsI) doped with thallium (Tl) impurities, which create electron-hole pairs when gamma rays or other particles interact with the crystal. The resulting light is then detected by a photomultiplier tube or other detector. CsI (Tl) is highly efficient at detecting gamma rays and has good energy resolution, making it a popular choice for applications such as medical imaging and nuclear physics research.

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