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Formation of swift heavy ion tracks on rutile TiO2 (001) surface

Karlušić, Marko; Bernstorff, Sigrid; Siketić, Zdravko; Šantić, Branko; Bogdanović Radović, Ivančica; Jakšić, Milko; Schleberger, Marika; Buljan, Maja (2016) Formation of swift heavy ion tracks on rutile TiO2 (001) surface. Journal of Applied Crystallography, 49 . pp. 1704-1712. ISSN 1600-5767

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Nanostructuring of surfaces and two-dimensional materials using swift heavy ions offers some unique possibilities owing to the deposition of a large amount of energy localized within a nanoscale volume surrounding the ion trajectory. To fully exploit this feature, the morphology of nanostructures formed after ion impact has to be known in detail. In the present work the response of a rutile TiO2 (001) surface to grazing-incidence swift heavy ion irradiation is investigated. Surface ion tracks with the well known intermittent inner structure were successfully produced using 23 MeV I ions. Samples irradiated with different ion fluences were investigated using atomic force microscopy and grazing-incidence small-angle X-ray scattering. With these two complementary approaches, a detailed description of the swift heavy ion impact sites, i.e. the ion tracks on the surface, can be obtained even for the case of multiple ion track overlap. In addition to the structural investigation of surface ion tracks, the change in stoichiometry of the rutile TiO2 (001) surface during swift heavy ion irradiation was monitored using in situ time-of-flight elastic recoil detection analysis, and a preferential loss of oxygen was found.

Item Type: Article
Uncontrolled Keywords: swift heavy ions, ion tracks, TiO2, rutile, grazing-incidence small-angle X-ray scattering, atomic force microscopy, elastic recoil detection analysis
Subjects: NATURAL SCIENCES > Physics
Divisions: Division of Experimental Physics
Division of Materials Physics
Project titleProject leaderProject codeProject type
Promjene u kristaliničnim materijalima izazvane ionskim snopovima MeV-skih energijaStjepko Fazinić8127UNSPECIFIED
Uspostavni istraživački projektiMaja Buljan2334UNSPECIFIED
Depositing User: Marko Karlušić
Date Deposited: 30 Sep 2016 09:43
DOI: 10.1107/S1600576716013704

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