RODRIGO UCHIDA ICHIKAWA
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Artigo IPEN-doc 25103 Evidence for a core–shell configuration in Tb-doped KY3F10 nanoparticles using synchrotron x-ray line profile and pair distribution function analyses2018 - ICHIKAWA, R.U.; LINHARES, H.S.M.D.; PERAL, I.; BALDOCHI, S.L.; RANIERI, I.M.; TURRILLAS, X.; MARTINEZ, L.G.The microstructure of Tb-doped KY3F10 nanoparticles synthesized by coprecipitation was analysed using x-ray synchrotron diffraction data. Size-strain analysis was performed by means of x-ray line profile (XLPA) methods such as Warren–Averbach and whole powder pattern modelling. Additionally, the structural coherence of the sample was accessed using pair distribution function analysis, supporting the XLPA results. The combination of all methods revealed that the nanoparticles exhibit a more ordered core and a less ordered surface comprising a core–shell configuration.