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Application of GISAXS in the Investigation of Three-Dimensional Lattices of Nanostructures

Basioli, Lovro; Salamon, Krešimir; Tkalčević, Marija; Mekterović, Igor; Bernstorff, Sigrid; Mičetić, Maja (2019) Application of GISAXS in the Investigation of Three-Dimensional Lattices of Nanostructures. Crystals, 9 (9). ISSN 2073-4352

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The application of the grazing-incidence small- angle X-ray scattering (GISAXS) technique for the investigation of three-dimensional lattices of nanostructures is demonstrated. A successful analysis of three-dimensionally ordered nanostructures requires applying a suitable model for the description of the nanostructure ordering. Otherwise, it is possible to get a good agreement between the experimental and the simulated data, but the parameters obtained by fitting may be completely incorrect. In this paper, we theoretically examine systems having different types of nanostructure ordering, and we show how the choice of the correct model for the description of ordering influences the analysis results. Several theoretical models are compared in order to show how to use GISAXS in the investigation of self-assembled arrays of nanoparticles, and also in arrays of nanostructures obtained by ion-beam treatment of thin films or surfaces. All models are supported by experimental data, and the possibilities and limitations of GISAXS for the determination of material structure are discussed.

Item Type: Article
Additional Information: This research was funded by the Croatian Science Foundation (pr. no IP-2018-01-3633), "Center of Excellence for Advanced Materials and Sensing Devices" (Grant No. KK., and CalipsoPlus project (pr. no 20182085). The authors are grateful to J. Erceg for help with the sample preparation and D. Micetic for the GISAXS measurements.
Uncontrolled Keywords: GISAXS ; quantum dot (QD) lattices ; structure determination
Subjects: NATURAL SCIENCES > Physics
NATURAL SCIENCES > Physics > Condensed Matter Physics
Divisions: Division of Materials Physics
Project titleProject leaderProject codeProject type
Convenient access to lightsources open to innovation, science and to the world (CalipsoPlus)UNSPECIFIED20182085Horizon 2020
3D mreže kompleksnih Ge-baziranih nanostruktura u staklima: svojstva i primjene-NetNanoMaja MičetićIP-2018-01-3633HRZZ
Znanstveni centar izvrsnosti za napredne materijale i senzoreUNSPECIFIEDKK.
Depositing User: Lovro Basioli
Date Deposited: 03 Sep 2020 08:06
DOI: 10.3390/cryst9090479

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