Factors affecting energy resolution of coplanar-grid CdZnTe detectors

Coplanar-grid CdZnTe detectors have been under development for the past ten years as room-temperature gamma-ray spectrometers and are being produced for use in a number of applications. Despite the improvements in detector active volume and spectral response that have been achieved with the coplanar...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2004-06, Vol.51 (3), p.1199-1203
Main Authors: Luke, P.N., Amman, M., Lee, J.S.
Format: Article
Language:English
Subjects:
Alpha particles
Cadmium zinc tellurides
Cathodes
Collimators
Crystalline materials
Crystals
Detectors
Devices
Electron mobility
Electron traps
Electronics
Energy resolution
Gamma ray detection
Gamma ray detectors
Origins
Spectral response
Spectrometers
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Summary:Coplanar-grid CdZnTe detectors have been under development for the past ten years as room-temperature gamma-ray spectrometers and are being produced for use in a number of applications. Despite the improvements in detector active volume and spectral response that have been achieved with the coplanar-grid technique, the full potential of such detectors is still far from being realized. There exists a number of material, device, and electronics factors that limit detector performance and yield. Some of the major factors are identified and examined in terms of their origins and the magnitude of their effects on energy resolution.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2004.829441