Title :
Diamond detectors for alpha monitoring in corrosive media for nuclear waste activity monitoring
Author :
Mer, C. ; Tromson, D. ; de Sanoit, J. ; Pomorski, M. ; Bergonzo, P.
Author_Institution :
Diamond Sensors Lab., CEA/Saclay, Gif-sur-Yvette, France
Abstract :
We report on the development of detection devices enabling the direct activity monitoring of liquid sources containing alpha emitters, with interests for nuclear waste process monitoring. The devices rely upon the use of a synthetic diamond active layer, used for detection, a material being totally inert and not affected by its direct contact with the corrosive media used here (concentrated HNO3, typ. 1M). Those devices convincingly passed all preliminary tests as reported here and were produced at a very small scale for measurements in a reprocessing nuclear plant.
Keywords :
alpha-particle detection; diamond; elemental semiconductors; fission reactor fuel reprocessing; radiation monitoring; radioactive waste processing; semiconductor counters; wide band gap semiconductors; alpha emitters; alpha monitoring; corrosive media; diamond detectors; liquid sources; nuclear waste activity monitoring; nuclear waste process monitoring; spent fuel reprocessing; synthetic diamond active layer; Alpha particles; Chemical vapor deposition; Contacts; Corrosion; Electron mobility; Fabrication; Radiation detectors; Radiation monitoring; Radioactive pollution; Semiconductor radiation detectors; CVD diamond; alpha particle monitoring; corrosion hardness; radiation detection;
Conference_Titel :
Advancements in Nuclear Instrumentation Measurement Methods and their Applications (ANIMMA), 2009 First International Conference on
Conference_Location :
Marseille
Print_ISBN :
978-1-4244-5207-1
Electronic_ISBN :
978-1-4244-5208-8
DOI :
10.1109/ANIMMA.2009.5503796