Community Research and Development Information Service - CORDIS


The aim of the present research programme was to develop and characterise an on-line alpha monitoring system for measuring the concentration of alpha emitters in liquid streams. One of the main features of the measuring system is a thin film which protects the detector window. This allows contact with corrosive liquids without damage and without significant spectrum degradation. The hardness and the resistance to acid attack of hydrogenated amorphous carbon (a-C:H) allows it to be used as a charged particle detector window coating. Having found the optimal conditions required to obtain the adherence of the a-C:H thin film on the windows of the aluminium detectors, it was not possible to attain the necessary impermeability. A mathematical approach for the complex alpha energy spectra deconvolution was developed and tested on alpha spectra produced by summing different degraded spectra.

Additional information

Authors: APARO M, ENEA, COMB-MEPIS Division, Roma (IT);DIONISI M, ENEA, COMB-MEPIS Division, Roma (IT);VICINI C, ENEA, COMB-MEPIS Division, Roma (IT);ZEPPA P, ENEA, COMB-MEPIS Division, Roma (IT);SCAGLIONE S, ENEA, TIB-FIS-Thin Films Laboratory, Roma (IT)
Bibliographic Reference: EUR 13880 EN (1991) 49 pp., MF, ECU 4
Availability: (2)
Record Number: 199111364 / Last updated on: 1994-12-02
Original language: en
Available languages: en