Additive analysis of nano silicon under the influence of neutron irradiation

Abstract

Nano silicon with [Formula: see text] specific surface area, 100 nm size and 0.08 g/cm3 density has been irradiated continuously with neutrons [Formula: see text] up to 20 h at various periods in TRIGA Mark II type research reactor. After the neutron irradiation, cooling time of the samples is taken approximately 360 h. It is found that the initial radioactivity of the irradiated samples changes within 0.1 kBq–3.1 GBq range. Definition of elements’ concentration is determined based on the activities formed in the relevant energy range. After the irradiation, the result of activity analysis carried out the element content of 1% mixture existing in nano Si which has been defined with radionuclides of the relevant element. Moreover, from activities of mixed radioisotopes, their amounts in percentage has been determined.