Micromechanical Properties of Gd3Ga5O12 Crystals Irradiated with Swift Heavy Ions
| Authors | G.M. Aralbayeva1, I. Manika2, Zh. Karipbayev1, Y. Suchikova3, S. Kovachov3, D. Sugak4, A.I. Popov2 |
| Affiliations |
1Faculty of Physics and Technical Sciences, L.N. Gumilyov Eurasian National University, 010008 Astana, Kazakhstan 2Institute of Solid State Physics, University of Latvia, 8, Kengaraga, LV-1063 Riga, Latvia 3Department of Physics and Methods of Teaching Physics, Berdyansk State Pedagogical University, Ukraine 4Departmnt of the Semiconductor Electronics Lviv Polytechnic National University, 12, Bandery st., 79046 Lviv, Ukraine |
| Е-mail | |
| Issue | Volume 15, Year 2023, Number 5 |
| Dates | Received 21 August 2023; revised manuscript received 17 October 2023; published online 30 October 2023 |
| Citation | G.M. Aralbayeva, I. Manika, Zh. Karipbayev, et al., J. Nano- Electron. Phys. 15 No 5, 05020 (2023) |
| DOI | https://doi.org/10.21272/jnep.15(5).05020 |
| PACS Number(s) | 61.80.Jh, 81.05.Dz |
| Keywords | Gd3Ga5O12 (GGG) single crystal, Swift heavy ion (6) , Radiation damage, Amorphization. |
| Annotation |
This study investigated the optical absorption and mechanical behavior of Gd3Ga5O12 (GGG) single crystals exposed to fast 84 Kr ions at fluences ranging from 1013 to 1014 ion/cm2. We observed that the optical absorption spectra of GGGs grown using the Czochralski method feature distinct narrow lines in the UV spectrum, attributable to the 4f-4f transitions in Gd3+. Clear changes were identified from the 6S 7/2 base state to the 6P, 6J, and 6D states within the Gd3+ cation. An unexpected absorption band was also detected at 350 nm, likely resulting from unintentional Ca contamination. After ion exposure, the fundamental absorption edge shifted by approximately 30 nm towards the longer-wavelength section of the spectrum. Our hardness tests indicated a softening effect post-ion exposure, possibly linked to ion-triggered amorphization. |
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