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Modification of semiconductor or metal nanoparticle lattices in amorphous alumina by MeV heavy ions

Bogdanović Radović, Ivančica; Buljan, Maja; Karlušić, Marko; Jerčinović, Marko; Dražič, Goran; Bernstorff, Sigrid; Boettger, Roman (2016) Modification of semiconductor or metal nanoparticle lattices in amorphous alumina by MeV heavy ions. New Journal of Physics, 18 . 093032-1. ISSN 1367-2630

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In the present work we investigate effects ofMeVheavy ions (from 0.4 MeVXe to 15 MeVSi) on regularly ordered nanoparticle (NP) lattices embedded in amorphous alumina matrix. These nanostructures were produced by self-assembling growth using magnetron-sputtering deposition. From grazing incidence small-angle x-ray scattering measurements we have found that the usedMeV heavy ions do not change the NPsizes, shapes or distances among them. However, ions cause a tilt of the entire NP lattice in the direction parallel to the surface. The tilt angle depends on the incident ion energy, type and the applied fluence and a nearly linear increase of the tilt angle with the ion fluency and irradiation angle was found. This way,MeV heavy ion irradiation can be used to design custom-made NPlattices. In addition, grazing incidence small-angle x-ray scattering can be effectively used as a method for the determination of material redistribution/shift caused by the ion hammering effect. For the first time, the deformation yield in amorphous alumina was determined for irradiation performed at the room temperature.

Item Type: Article
Uncontrolled Keywords: nanoparticles; MeV heavy ions; ion hammering; amorphous alumina; GISAXS
NATURAL SCIENCES > Physics > Condensed Matter Physics
Divisions: Division of Experimental Physics
Division of Materials Physics
Project titleProject leaderProject codeProject type
Nano-mreže kvantnih točaka u staklima: Od samouređenja do pretvorbe energije i pohrane vodika-NanoDeSignMaja BuljanUIP-11-2013-2334HRZZ
Depositing User: Ivančica Bogdanović Radović
Date Deposited: 09 Dec 2016 12:37
DOI: 10.1088/1367-2630/18/9/093032

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