High-Energy Heavy Ion Tracks in Nanocrystalline Silicon Nitride
Janse van Vuuren A. Mutali A. Ibrayeva A. Sohatsky A. Skuratov V. Akilbekov A. Dauletbekova A. Zdorovets M.
October 2022MDPI
Crystals
2022#12Issue 10
At present, silicon nitride is the only nitride ceramic in which latent ion tracks resulting from swift heavy ion irradiation have been observed. Data related to the effects of SHIs on the nanocrystalline form of Si3N4 are sparse. The size of grains is known to play a role in the formation of latent ion tracks and other defects that result from SHI irradiation. In this investigation, the effects of irradiation with high-energy heavy ions on nanocrystalline silicon nitride is studied, using transmission electron microscopy techniques. The results suggest that threshold electronic stopping power, Set, lies within the range 12.3 ± 0.8 keV/nm to 15.2 ± 1.0 keV/nm, based on measurements of track radii. We compared the results to findings for polycrystalline Si3N4 irradiated under similar conditions. Our findings suggest that the radiation stability of silicon nitride is independent of grain size.
latent ion tracks , Si3N4 silicon nitride , swift heavy ions , transmission electron microscopy (TEM)
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Centre for HRTEM, Nelson Mandela University, Port Elizabeth, 6001, South Africa
Flerov Laboratory of Nuclear Research, Joint Institute for Nuclear Research, Dubna, 141980, Russian Federation
Institute of Nuclear Physics, Almaty, 050032, Kazakhstan
Physics Techniques, L.N. Gumilyov Eurasian National University, Nur-Sultan, 010000, Kazakhstan
Institute of Nuclear Physics and Engineering, National Research Nuclear University MEPhI, Moscow, 115409, Russian Federation
Department of Nuclear Physics, Dubna State University, Dubna, 141982, Russian Federation
Department of Physics, Ural Federal University, Yekaterinburg, 620075, Russian Federation
Centre for HRTEM
Flerov Laboratory of Nuclear Research
Institute of Nuclear Physics
Physics Techniques
Institute of Nuclear Physics and Engineering
Department of Nuclear Physics
Department of Physics
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