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Title: Energy linearity response of CZT detectors to X-rays in the region of the Zn, Cd and Te K-absorption edges: experimental results
Authors: Freitas, E. D. C. 
Cardoso, João M. 
Fernandes, L. M. P. 
Lopes, J. A. M. 
Veloso, J. F. C. A. 
Santos, J. M. F. dos 
Keywords: Energy linearity; K-edges; X-ray detectors
Issue Date: 2003
Citation: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 515:3 (2003) 618-623
Abstract: The response of a cadmium zinc telluride (CZT) detector to X-rays with energies around the Zn, Cd and Te K-absorption edges was investigated. The energy non-linearity in the detector response at the K-edges is less than 0.1%, within the experimental errors. No abrupt variation in both the w-value and the detector energy resolution was observed at the K-edges, a behaviour consistent with the absence of intrinsic non-linearity effects in CZT. Within the accuracy of our measurements, we conclude that there are no non-linearity effects in CZT semiconductors at the Zn, Cd and Te K-edges.
Rights: openAccess
Appears in Collections:FCTUC Física - Artigos em Revistas Internacionais

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