IBIC investigations on CVD diamond (CROSBI ID 273354)
Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Manfredotti, C. ; Fizzotti, F. ; Vittone, E. ; Boero, M. ; Polesello, P. ; Galassini, S. ; Jakšić, Milko ; Fazinić, Stjepko ; Bogdanović, Ivančica
engleski
IBIC investigations on CVD diamond
A 3 MeV proton microbeam has been used for the first time both to investigate the transport properties and to probe the electrical field in a CVD diamond sample of defector grade. Qualitative results concerning the spatial distribution of charge collection efficiency and, consequently, of the collection length are obtained. Collection length seems to be of the order of several tens of microns only in small regions of the same dimensions, characterized probably by a good crystalline behaviour. A strong polarization due to the creation of a local internal electric field and ascribed to the space-charge accumulated in the grain boundaries, makes the measurements very difficult and reduces the statistical validity of the data. However, imaging of physical quantities like collection length is concluded to be a viable technique and it will constitute a useful and powerful method of investigating homogeneity of nuclear detectors and of other similar devices.
IBIC ; diamond
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Podaci o izdanju
100 (1)
1995.
133-140
objavljeno
0168-583X
1872-9584
10.1016/0168-583x(95)00268-5