CZT Crystal (Cadmium Zinc Telluride) – High-Resolution Semiconductor for Gamma Spectroscopy & X-Ray Imaging

Overview Cadmium Zinc Telluride (CZT) is a cutting-edge semiconductor crystal renowned for its unique ability to directly convert radiation into electrical signals??eliminating the need for intermediate scintillation steps. With exceptional energy resolution, high charge collection efficiency, and a combination of high density and effective atomic number, CZT stands out as a superior detector material for gamma ray spectroscopy, X-ray imaging, and precision radiation measurement. Our CZT crystals are fabricated with ultra-high purity (>99.99%) and strict structural control, ensuring consistent performance across batches. Whether for high-resolution medical diagnostics or rugged field detection equipment, they deliver reliable, low-noise results in both laboratory…

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Description

Key Advantages
Superior Energy Resolution
Enables precise differentiation of radiation energies, critical for identifying specific isotopes in gamma ray spectroscopy or distinguishing subtle X-ray contrasts in medical imaging. This resolution outperforms many scintillator-based detectors, making CZT ideal for applications requiring detailed spectral analysis.
High Charge Collection Efficiency
Efficiently collects electron-hole pairs generated by radiation interactions, minimizing signal loss and ensuring strong, accurate electrical signals. This efficiency is key to maintaining sensitivity in low-dose applications (e.g., pediatric X-rays or environmental radiation monitoring).
High-Speed Detection
Rapid response to radiation pulses, supporting real-time data acquisition in dynamic scenarios??such as portable field detectors for on-site radiation screening or high-frame-rate X-ray imaging systems.
Direct Conversion (True Semiconductor)
Converts radiation directly into electrical signals without intermediate light emission, reducing signal degradation and latency. This direct mechanism improves detection speed and energy resolution compared to scintillator-photodetector combinations.
High Density & Effective Atomic Number
Exhibits high stopping power for gamma rays and X-rays, ensuring efficient absorption in compact detector designs. This makes CZT ideal for miniaturized devices (e.g., handheld spectrometers or portable medical imagers).
Technical Specifications
Parameter Value Unit
Chemical Composition Cadmium Zinc Telluride (CZT) –
Crystal Size 2?C3 mm
Electrical Property Ferromagnetic Metal –
Crystal Structure Hexagonal System –
Unit Cell Parameters a = b = 0.399 nm; c = 1.633 nm; ?? = ?? = 90??; ?? = 120?? nm / ??
Purity >99.99% –
Applications
Radiation Spectroscopy & Imaging
Gamma Ray Spectroscopy
Used in high-precision spectrometers to identify and quantify radioactive isotopes (e.g., in nuclear non-proliferation, environmental monitoring, or geological surveys), leveraging its energy resolution to distinguish closely spaced gamma peaks.
X-Ray Imaging
Enables high-contrast, low-dose X-ray imaging for medical diagnostics (e.g., mammography, dental imaging) and industrial NDT, where its direct conversion reduces noise and improves spatial resolution.
Medical & Health Physics
Medical Diagnostics
Integrates into specialized imaging systems for targeted organ scans or radiation therapy planning, providing detailed radiation dose maps to ensure precise treatment delivery.
Health Physics
Used in radiation dosimeters to measure exposure levels for healthcare workers and nuclear facility staff, ensuring compliance with safety regulations.
Field & Industrial Applications
Field Detection
Ideal for portable radiation monitors used in homeland security, environmental surveys, or accident response, where its speed and sensitivity enable rapid identification of radioactive materials.
Position Sensing
Supports precise radiation source localization in research (e.g., particle physics experiments) or industrial quality control, leveraging its ability to map radiation distribution with high spatial accuracy.
X-Ray Diffraction (XRD)
Enhances XRD analysis in material science, where its high energy resolution improves the detection of subtle crystalline structures.
Industrial Measurement
Deployed in process monitoring (e.g., metal thickness gauging) or quality control, providing real-time radiation-based measurements with minimal interference.
Technical Specifications
The crystal size is 2?C3 mm. It exhibits the electrical property of a ferromagnetic metal, with a crystal structure belonging to the hexagonal system. The unit cell parameters are as follows: a = b = 0.399 nm, c = 1.633 nm, ?? = ?? = 90??, and ?? = 120??. The purity is greater than 99.99%, and customization options are available.