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Infrared spectroscopy of ion tracks in amorphous SiO2 and comparison to gamma irradiation induced changes

Karlušić, Marko; Škrabić, Marko; Majer, Marija; Buljan, Maja; Skuratov, Vladimir A; Jung, Hyun- Kyu; Gamulin, Ozren; Jakšić, Milko (2019) Infrared spectroscopy of ion tracks in amorphous SiO2 and comparison to gamma irradiation induced changes. Journal of Nuclear Materials, 514 . pp. 74-83. ISSN 0022-3115

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Ion track formation in amorphous SiO2 was investigated using infrared spectroscopy. For comparison, one set of samples was also irradiated using 1.25 MeV gamma rays. An increase of 1044 cm−1 peak and decrease of 1078 cm−1 peak was observed in all cases. Experimental results were analysed using an analytical thermal spike model and non-standard model parameters were found. This finding is attributed to the amorphous structure of the material.

Item Type: Article
Additional Information: This work was supported by the Croatian Science Foundation (pr. no. 8127). The authors acknowledge financial support from the European Regional Development Fund for the 'Center of Excellence for Advanced Materials and Sensing Devices' (Grant No. KK.". This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MIST), NRF-2017M2A8A4017221.
Uncontrolled Keywords: Swift heavy ionIon track ; Thermal spike ; Amorphous SiO2 ; Infrared spectroscopy ; Gamma rays
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Materials Physics
Project titleProject leaderProject codeProject type
Promjene u kristaliničnim materijalima izazvane ionskim snopovima MeV-skih energija-MIOBICCStjepko FazinićIP-2013-11-8127HRZZ
Depositing User: Ivana Pažur
Date Deposited: 04 May 2020 06:03
DOI: 10.1016/j.jnucmat.2018.11.010

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