Effects of neutron irradiation at different fluencies on nanosized anatase titanium dioxide; Radiation Physics and Chemistry; Vol. 194

Effects of neutron irradiation at different fluencies on nanosized anatase titanium dioxide; Radiation Physics and Chemistry; Vol. 194

Detalhes bibliográficos
Parent link:	Radiation Physics and Chemistry Vol. 194.— 2022.— [109988, 9 p.]
Autor Corporativo:	Национальный исследовательский Томский политехнический университет Исследовательская школа химических и биомедицинских технологий Научно-исследовательский центр "Физическое материаловедение и композитные материалы"
Outros Autores:	Mirzayev M. N. Matlab, Slavov L. Lyubomir, Donkov A. Alexandar, Neov D. Dimitar, Popov E. Evgeni, Demir E. Ertugrul, Ivaylo G. Genov, Abdurakhimov B. Bekhzodjon, Vladesku A. Alina, Biira S. Saphina, Karaman T. Tamer, Sharipov Z. Zarif, Doroshkevich A. Aleksandr, Mirzayeva D. Dunya, Mustafayev I. Islam
Resumo:	Title screen Nanosized anatase polymorph of titanium dioxide was irradiated at normal conditions at different fluencies. Neutron irradiation was conducted at IBR-2 high-flux pulsed reactor at fluencies of 4.0 × 1012 n/cm2, 8.0 × 1012 n/cm2, 1.3 × 1013 n/cm2, 4.0 × 1014 n/cm2 and 1015 n/cm2 (neutron energy E > 0.1 MeV). X-ray diffraction, neutron diffraction analysis, Raman and FTIR spectroscopy were used to examine the crystal structure and the surface of the anatase polymorph after irradiation. X-ray and neutron diffraction analysis show deviations in the values for the unit cell volume with increasing fluence <https://www.sciencedirect.com/topics/physics-and-astronomy/fluence> and some anneling effect for the highest fluence. Raman spectra analysis show that no phase transition occurs in the material at all irradiation fluences investigated. FTIR spectra analysis unveil that water molecules adsorbed on the material surface disintegrate under the influence of fast neutrons, converting to briged hydroxils on the surface of TiO2. Режим доступа: по договору с организацией-держателем ресурса
Idioma:	inglês
Publicado em:	2022
Assuntos:	электронный ресурс труды учёных ТПУ titanium dioxide anatase neutron irradiation neutron diffraction crystal structure FTIR диоксид титана нейтронное облучение нейтронная дифракция
Acesso em linha:	https://doi.org/10.1016/j.radphyschem.2022.109988
Formato:	Recurso Eletrônico Capítulo de Livro
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=669080

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