Simulation of GaAs 3-D pixel detectors

Tools

Mathieson, K and Bates, R and Meikle, A and O'Shea, V and Passmore, MS and Rahman, M and Smith, KM (2001) Simulation of GaAs 3-D pixel detectors. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 466 (1). pp. 194-201. ISSN 0168-9002 (https://doi.org/10.1016/S0168-9002(01)00845-2)

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Abstract

The performance of an architecture for X-ray pixel detectors is discussed. The three-dimensional (3-D) structure has electrodes which penetrate the bulk of the detector medium allowing low-bias, high-speed operation along with improved charge collection efficiency. We use the modelling package MEDICI to simulate epitaxial gallium arsenide 3-D detectors. This includes an analysis of charge transport and signal formation, with details of the expected charge collection efficiencies. These detectors may be fabricated by a number of means including dry etching. The effect of dry-etch damage on detector performance is analysed as this is potentially an important factor.

ORCID iDs

Mathieson, K ORCID logoORCID: https://orcid.org/0000-0002-9517-8076, Bates, R, Meikle, A, O'Shea, V, Passmore, MS, Rahman, M and Smith, KM;
  • Item type:Article
    ID code:37543
    Dates:
    Date
    Event
    21 June 2001
    Published
    Notes:2nd International Workshop on Radiation Imaging Detectors, FREIBURG, GERMANY, JUL 02-06, 2000
    Subjects:Science > Physics > Optics. Light
    Department:Faculty of Science > Physics > Institute of Photonics
    Depositing user: Pure Administrator
    Date deposited:09 Feb 2012 16:06
    Last modified:11 Nov 2024 10:04
    URI:https://strathprints.strath.ac.uk/id/eprint/37543
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