Swift heavy ion tracks in nanocrystalline Y4Al2O9

Nuclear Materials and Energy

卷:30

Jacques O'Connell¹  Arno Janse van Vuuren²  Alexander Sohatsky³  Alisher Mutali³  Ruslan Rymzhanov⁴  Vladimir Skuratov⁵  Liudmila Alekseeva⁵  Anel Ibrayeva⁶  Igor Ivanov⁶  Ekaterina Korneeva⁶ 

[1] Centre for HRTEM, Nelson Mandela University, Port Elizabeth, South Africa;

[2] Corresponding author at: Centre for HRTEM, Nelson Mandela University, Port Elizabeth, South Africa.;

[3] Institute of Nuclear Physics, Almaty, Kazakhstan;

[4] L.N. Gumilyov Eurasian National University, Nur-Sultan, Kazakhstan;

[5] Flerov Laboratory of Nuclear Research, Joint Institute for Nuclear Research, Dubna, Russia;

关键词: Swift heavy ions;    Ion tracks;    Nanoparticles;    Transmission electron microscopy;   

DOI  :  

来源: DOAJ

【 摘 要 】

We report the first results of a TEM study of structural changes induced by high energy xenon and bismuth ions in Y4Al2O9 nanoparticles (10 to 100 nm grain size) in the range of electronic stopping powers 6 ÷ 35 keV/nm. It was found that swift Xe an Bi ion irradiation, starting from threshold energy loss ∼ 8 keV/nm, leads to the formation of continuous amorphous latent tracks, while discontinuous tracks are observed at ∼ 6 keV/nm. No effect of grain size on the ion track parameters was observed for all specific ionizing energy losses used in experiments.

【 授权许可】

Unknown