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Influence of neutron irradiation and temperature on the electric conductivity of SiO2 nanoparticles |
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| Institution: | 1. School of Materials Science and Engineering, Shandong University of Technology, 266 West Xincun Road, Zibo 255049, Shandong, People’s Republic of China;2. Functional Materials Research Laboratory, Tongji University, Caoan Road 4800, Shanghai 201804, People’s Republic of China;3. Primary Education, Zibo Normal College, 99 Tangjun-ouling Road, Zibo 255130, Shandong, People’s Republic of China;1. CQE – Centro de Química Estrutural, Complexo I, IST, Universidade de Lisboa, 1049-001 Lisboa, Portugal;2. CQFM – Centro de Química-Física Molecular and IN – Institute of Nanoscience and Nanotechnology, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal |
| Abstract: | At different frequency range it has been studied the influence of temperature and amount of falling neutrons on nano SiO2 irradiated with neutrons. It has been revealed that it is generated additional electroactive radiation defects under the influence of rays omitted from activation products or direct neutron. Thus, the change of neutron flux at 6.7 × 1017 ∼ 2.7 × 1018 cm−2 s−1 range increases the electric conductivity of nano SiO2 for approximately 30 times. It has been revealed two temperature ranges at temperature dependence of non-irradiated sample and three temperature ranges at a neutron irradiated-sample. It has been put forward the mechanism that explains the obtained results. |
| Keywords: | Nanomaterial Neutron effect Electrical properties Electrical conductivity |
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