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Publikācija: Lead Sulfide Nanodots as a Tool for Detection of Dose of Electron Radiation Used in Radiation Therapy

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Nosaukums oriģinālvalodā Lead Sulfide Nanodots as a Tool for Detection of Dose of Electron Radiation Used in Radiation Therapy
Pētniecības nozare 1. Dabaszinātnes
Pētniecības apakšnozare 1.3. Fizika un astronomija
Autori Diāna Krumpāne
Jurijs Dehtjars
Indra Surkova
Marina Romanova
Atslēgas vārdi PbS nanodots, radiation, dosimetry, photoelectron emission
Anotācija PbS nanodots in ZrO2 film matrix (ZrO2:PbS films) were studied for nanodosimetry of electron radiation. The films were irradiated with 9 MeV electrons with doses 0-10 Gy using medical linear accelerator. The dosimetric signal was detected by comparing photoelectron emission (PE) spectra from ZrO2:PbS films before and after irradiation. It was found that electron radiation decreased intensity of PE current. Derivatives of the PE spectra were calculated and maximums at photon energies 5.65 and 5.75 eV were observed. Amplitude of these maximums decreased after the irradiation. Linear correlation was found between the relative decrease of the intensity of these maximums and dose of electron radiation. Observed changes in PE spectra from ZrO2:PbS films under influence of electron radiation suggest that the films may be considered to be effective material for electron radiation dosimetry.
Atsauce Krumpāne, D., Dehtjars, J., Surkova, I., Romanova, M. Lead Sulfide Nanodots as a Tool for Detection of Dose of Electron Radiation Used in Radiation Therapy. No: Science, Technology and Innovative Technologies in the Prosperous Epoch of the Powerful State: Abstract of Papers of the International Scientific Conference, Turkmenistāna, Ashgabat, 12.-14. jūnijs, 2013. Academy of Sciences of Turkmenistan: Ylym Publishing House, 2013, 342.-345.lpp.
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