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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by Strathclyde researchers, including by researchers from the Physical Activity for Health Group based within the School of Psychological Sciences & Health. Research here seeks to better understand how and why physical activity improves health, gain a better understanding of the amount, intensity, and type of physical activity needed for health benefits, and evaluate the effect of interventions to promote physical activity.

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Comparison of bulk and epitaxial 4H-SiC detectors for radiation hard particle tracking

Quinn, T and Bates, R and Bruzzi, M and Cunningham, W and Mathieson, K and Moll, M and Nelson, T and Nilsson, HE and Pintillie, I and Reynolds, L and Sciortino, S and Sellin, P and Strachan, H and Svensson, BG and Vaitkus, J and Rahman, M (2004) Comparison of bulk and epitaxial 4H-SiC detectors for radiation hard particle tracking. In: 2003 IEEE NUCLEAR SCIENCE SYMPOSIUM, CONFERENCE RECORD, VOLS 1-5. IEEE NUCLEAR SCIENCE SYMPOSIUM - CONFERENCE RECORD . IEEE, pp. 1028-1033.

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Abstract

Measurements and simulations have been carried out using bulk and epitaxial SiC detectors. Samples were irradiated to fluences of around 1014 hardrons/cm2. Material of thickness 40μm gave a charge collection efficiency of 100% dropping to around 60% at 100 μm thickness. Detailed MEDICI simulations incorporated the main defect levels in SiC, the vanadium center, Z-center and a mid-gap level as measured by deep level transient spectroscopy and other techniques. Calculated recombination currents and charge collection efficiencies at varying fluences were comparable to experimental data. The study suggests that SiC detectors will operate up to fluences around 1016/cm2 as required by future particle physics experiments.