Applications of Cd(Zn)Te Radiation Detectors in Non-Destructive Testing and Evaluation
Anthony R Whittemore1, Elena Maria Zannoni1
1Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA.
Sensors (Basel, Switzerland)
|April 28, 2025
Summary
Room temperature semiconductor detectors, particularly Cadmium Zinc Telluride (Cd(Zn)Te) systems, offer high-resolution imaging and spectroscopy for non-destructive testing and evaluation (NDT&E). Their portability and efficiency make them ideal for diverse applications without cryogenic cooling.
Area of Science:
- Materials Science
- Applied Physics
- Instrumentation
Background:
- Non-destructive testing and evaluation (NDT&E) traditionally relies on technologies that may require complex infrastructure.
- Room temperature semiconductor detectors offer a promising alternative, reducing operational complexity and cost.
- Cadmium Zinc Telluride (Cd(Zn)Te) has emerged as a key material for advanced detector development.
Purpose of the Study:
- To review the applications of room temperature semiconductor detectors, specifically Cd(Zn)Te systems, in NDT&E.
- To highlight the performance advantages of Cd(Zn)Te detectors for various NDT&E tasks.
- To discuss the potential of Cd(Zn)Te in emerging NDT&E fields.
Main Methods:
- Literature review of Cd(Zn)Te detector applications in NDT&E.
- Analysis of key performance parameters: energy resolution, spatial resolution, time resolution, efficiency, and form factor.
- Case studies of Cd(Zn)Te detectors in imaging and spectroscopic NDT&E.
Main Results:
- Cd(Zn)Te detectors provide high energy and spatial resolution at ambient temperatures.
- These detectors eliminate the need for cryogenic cooling, enhancing practicality.
- Successful applications demonstrated in nuclear threat detection, archaeology, and UAV-based radiological surveys.
Conclusions:
- Cd(Zn)Te detectors are highly promising for NDT&E due to their high-resolution imaging and spectroscopic capabilities.
- Their versatility and portability enable advanced NDT&E solutions across various sectors.
- Continued development of Cd(Zn)Te technology will further expand its NDT&E impact.
Keywords:
NDTX-ray and gamma-ray detectorscompound semiconductor radiation detectorshigh-Z semiconductor radiation detectorsnon-destructive testingsemiconductor radiation detectorsMore Related Videos
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