Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Resolution degradation of semiconductor detectors due to carrier trapping
AU - Kozorezov, Alexander G.
AU - Wigmore, J. Keith
AU - Owens, A.
AU - den Hartog, R.
AU - Peacock, A.
AU - Al-Jawhari, H. A.
PY - 2005/7/1
Y1 - 2005/7/1
N2 - Incomplete charge collection in semiconductor X-ray detectors due to carrier trapping is recognized as an important source of signal broadening. In this paper we show the results of calculations of energy resolution for a TlBr detector using an analytic approach developed in our earlier work in which fluctuations in the distribution of photon absorption sites are related to fluctuations in the collected charge. Using measured values of transport parameters for electrons and holes in the detector material we obtained excellent agreement with experiment in the X-ray energy range 6–660 keV.
AB - Incomplete charge collection in semiconductor X-ray detectors due to carrier trapping is recognized as an important source of signal broadening. In this paper we show the results of calculations of energy resolution for a TlBr detector using an analytic approach developed in our earlier work in which fluctuations in the distribution of photon absorption sites are related to fluctuations in the collected charge. Using measured values of transport parameters for electrons and holes in the detector material we obtained excellent agreement with experiment in the X-ray energy range 6–660 keV.
KW - Semiconductor X-ray detector
KW - Carrier dynamics
KW - Energy resolution
U2 - 10.1016/j.nima.2005.03.026
DO - 10.1016/j.nima.2005.03.026
M3 - Journal article
VL - 546
SP - 209
EP - 212
JO - Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
JF - Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
SN - 0168-9002
IS - 1-2
ER -