Comparison of Monte Carlo-simulated scattering processes of low-energy photons in radiation detector materials

Cibulskaitė, Inga; Adlienė, Diana

doi:10.1016/j.nima.2007.05.041

Cited by 4 publications

(1 citation statement)

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“…There are only few investigations on the influence of the coating to the scattering processes in the active volume of the detector: the results of calculations using deterministic model for the photon scattering process description in coated material are presented in [16], as well as the results of Monte Carlo based modelling of scattered radiation in Al 2 O 3 detector, encapsulated into different free standing polymer-like carbon containing foils -in [17].…”

Section: Introductionmentioning

confidence: 99%

Modelling of low energy X-ray scattering in radiation detectors with protective coatings

Cibulskaitė¹

2008

Lithuanian J. Phys.

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The results of Monte Carlo modelling of the low energy X-ray photon interaction processes in Si detector coated by different materials of different thickness are presented in this paper. Detector constructions containing free standing polymer-like carbon coatings and diamond-like carbon (DLC) coatings deposited onto detector surface were investigated. Total and scatter doses in coated samples were calculated and the influence of the coating material, composition, and thickness on the X-ray photon scattering processes in Si detector was evaluated. Evaluation of the detector construction with protective coating corresponding to the lowest fraction of scattered photons as compared to the calculated total dose is discussed in the paper. It is shown that nano-thick DLC coatings directly deposited onto detector surface are promising materials in the construction of radiation detectors due to their suitable mechanical properties, resistance against chemicals and against radiation damage of DLC films.

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Section: Introductionmentioning

confidence: 99%