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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.

Item type: Book Section
ID code: 37505
Notes: IEEE Nuclear Science Symposium/Medical Imaging Conference, Portland, OR, OCT 19-25, 2003
Keywords: radiation hard particle tracking , epitaxial 4H-SiC detectors, Optics. Light
Subjects: Science > Physics > Optics. Light
Department: Faculty of Science > Institute of Photonics
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 08 Feb 2012 16:28
    Last modified: 09 May 2014 05:23
    URI: http://strathprints.strath.ac.uk/id/eprint/37505

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