Scientific Results

Combined TCAD and Geant4 simulations of diamond detectors for timing applications

Year: 2019

Authors: Morozzi A., Passeri D., Vecchi S., Servoli L., Sciortino S.

Autors Affiliation: Ist Nazl Fis Nucl, Perugia, Italy; Univ Perugia, Engn Dept, Perugia, Italy; Ist Nazl Fis Nucl, Ferrara, Italy; Ist Nazl Fis Nucl, Florence, Italy; CNR, INO, Florence, Italy; Univ Florence, Dept Phys, Florence, Italy

Abstract: In this work we propose a combined TCAD and Geant4 simulated based numerical model approach to study of the active electrical behavior of 3D diamond sensors with graphitic parallel columns/trenches contact scheme in those radiation detection applications ruled by stringent timing and radiation-tolerance requirements. Single particle hit effects can be realistically assessed in Geant4 simulations describing properly the energy deposition along its path. Such information represents the input to the TCAD tools for analyzing the detectors active response depending on bias, particle type, energy and impact direction. Different contact geometries and transport effects have been accounted for with the equivalent load effect of graphitic columns in mixed-mode simulations for the device performance optimization.

Journal/Review: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

Volume: 936      Pages from: 436  to: 438

KeyWords: 3D detectors; CVD diamond; TCAD modeling
DOI: 10.1016/j.nima.2018.07.091

Citations: 1
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