Электронный каталог

Статья

Ibrayeva, A.
Transmission Electron Microscopy and Molecular Dynamic Study of Ion Tracks in Nanocrystalline Y&sub(2)Ti&sub(2)O&sub(7): Particle Size Effect on Track Formation Threshold / A.Ibrayeva, J.O'Connell, A.Mutali, R.Rymzhanov, V.Skuratov // Crystals [Electronic resource]. – 2023. – Vol.13, No.11. – P.1534. – URL: https://doi.org/10.3390/cryst13111534. – Bibliogr.:44.

Structural effects in nanocrystalline pyrochlore Y2Ti2O7 induced by high energy heavy ions in a wide range of electronic stopping powers were studied by means of high-resolution transmission electron microscopy and molecular dynamics simulation considering the grain size effect. Ion track radii tend to saturate and even decrease at high electron stopping powers (>30 keV/nm) due to the velocity effect. The threshold electronic energy loss to form amorphous tracks in nanoclusters and large (>100 nm) crystals was estimated in the range 10.7–12.8 keV/nm. A strong size dependence was observed for smaller (<50 nm) isolated nanocrystals, with smaller crystals being significantly more sensitive to amorphous track formation.



ОИЯИ = ОИЯИ (JINR)2023
Спец.(статьи,препринты) = С 342 б2 - Прохождение заряженных частиц через кристаллы: каналирование, стринг-эффект, эффект "теней". Сверхтонкое взаимодействие для ядерных систем
Бюллетени = 6/024