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Pregled bibliografske jedinice broj: 1158766

Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering

Košutová, Tereza; Horák, Lukáš; Pleskunov, Pavel; Hanuš, Jan; Nikitin, Daniil; Kúš, Peter; Cieslar, Miroslav; Gordeev, Ivan; Burazer, Sanja; Choukourov, Andrei; Dopita, Milan
Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering // Materials chemistry and physics, 277 (2021), 125466, 10 doi:10.1016/j.matchemphys.2021.125466 (međunarodna recenzija, članak, znanstveni)

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Naslov
Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering

Autori
Košutová, Tereza ; Horák, Lukáš ; Pleskunov, Pavel ; Hanuš, Jan ; Nikitin, Daniil ; Kúš, Peter ; Cieslar, Miroslav ; Gordeev, Ivan ; Burazer, Sanja ; Choukourov, Andrei ; Dopita, Milan

Izvornik
Materials chemistry and physics (0254-0584) 277 (2021); 125466, 10

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Niobium nanoparticles ; Small angle x-ray scattering ; In-situ x-ray diffraction ; Niobium pentoxide ; Thermal evolution

Sažetak
Highly porous structures consisting of niobium nanoparticles (Nb NPs) are prepared using magnetron sputtering and inert gas aggregation method. Alongside the thermally-driven evolution of nanoparticle morphology, the microstructural genesis is probed in-situ by x-ray diffraction for the temperature range up to 800 °C. The as- deposited Nb NPs are formed by the Nb core and NbOx shell. The elevated temperature triggers the gradual oxidation that proceeds until 200 °C. Above this point the structure is fully amorphous. Further increase of the temperature to 450 °C leads to a transition to the crystalline TT-Nb2O5 phase, which hexagonal structure was solved in the current study. The subsequent rise of the temperature to 600 °C results in the conversion to the orthorhombic T-Nb2O5 phase. Up to this state, the size of nanoparticles corresponds to the size of crystallites. The annealing above 600 °C causes coalescence of NPs with the formation of hundreds- of-nanometers large structures.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija



POVEZANOST RADA

Profili:

Avatar Url Sanja Burazer (autor)

Poveznice na cjeloviti tekst rada:

doi www.sciencedirect.com

Citiraj ovu publikaciju:

Košutová, Tereza; Horák, Lukáš; Pleskunov, Pavel; Hanuš, Jan; Nikitin, Daniil; Kúš, Peter; Cieslar, Miroslav; Gordeev, Ivan; Burazer, Sanja; Choukourov, Andrei; Dopita, Milan
Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering // Materials chemistry and physics, 277 (2021), 125466, 10 doi:10.1016/j.matchemphys.2021.125466 (međunarodna recenzija, članak, znanstveni)
Košutová, T., Horák, L., Pleskunov, P., Hanuš, J., Nikitin, D., Kúš, P., Cieslar, M., Gordeev, I., Burazer, S., Choukourov, A. & Dopita, M. (2021) Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering. Materials chemistry and physics, 277, 125466, 10 doi:10.1016/j.matchemphys.2021.125466.
@article{article, author = {Ko\v{s}utov\'{a}, Tereza and Hor\'{a}k, Luk\'{a}\v{s} and Pleskunov, Pavel and Hanu\v{s}, Jan and Nikitin, Daniil and K\'{u}\v{s}, Peter and Cieslar, Miroslav and Gordeev, Ivan and Burazer, Sanja and Choukourov, Andrei and Dopita, Milan}, year = {2021}, pages = {10}, DOI = {10.1016/j.matchemphys.2021.125466}, chapter = {125466}, keywords = {Niobium nanoparticles, Small angle x-ray scattering, In-situ x-ray diffraction, Niobium pentoxide, Thermal evolution}, journal = {Materials chemistry and physics}, doi = {10.1016/j.matchemphys.2021.125466}, volume = {277}, issn = {0254-0584}, title = {Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering}, keyword = {Niobium nanoparticles, Small angle x-ray scattering, In-situ x-ray diffraction, Niobium pentoxide, Thermal evolution}, chapternumber = {125466} }
@article{article, author = {Ko\v{s}utov\'{a}, Tereza and Hor\'{a}k, Luk\'{a}\v{s} and Pleskunov, Pavel and Hanu\v{s}, Jan and Nikitin, Daniil and K\'{u}\v{s}, Peter and Cieslar, Miroslav and Gordeev, Ivan and Burazer, Sanja and Choukourov, Andrei and Dopita, Milan}, year = {2021}, pages = {10}, DOI = {10.1016/j.matchemphys.2021.125466}, chapter = {125466}, keywords = {Niobium nanoparticles, Small angle x-ray scattering, In-situ x-ray diffraction, Niobium pentoxide, Thermal evolution}, journal = {Materials chemistry and physics}, doi = {10.1016/j.matchemphys.2021.125466}, volume = {277}, issn = {0254-0584}, title = {Thermally-driven morphogenesis of niobium nanoparticles as witnessed by in-situ x-ray scattering}, keyword = {Niobium nanoparticles, Small angle x-ray scattering, In-situ x-ray diffraction, Niobium pentoxide, Thermal evolution}, chapternumber = {125466} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus

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