Structure and morphology of spherical crystalline (Y1 − xEux)2O3 particles View Full Text


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Article Info

DATE

2014-12-17

AUTHORS

O. S. Bezkrovnyi, Yu. V. Yermolayeva, V. V. Yanovskii, N. A. Dulina, O. Prymak, V. N. Baumer, N. I. Danilenko, A. V. Tolmachev

ABSTRACT

The structure and morphology of monodisperse spherical particles of (Y1 − xEux)2O3 solid solutions prepared through the low-temperature thermolysis of an amorphous precursor under isothermal conditions (t = 800°C) have been analyzed in detail in relation to the particle size and composition. The results demonstrate that, in addition to having a polycrystalline (block) structure, the spherical (Y1 − xEux)2O3 particles are porous, with a mesoscopic residual pore size. Reducing the diameter of the spherical particles from 400 to 70 nm reduces their porosity and improves their structural perfection. The addition of Eu3+ cations stimulates the growth of crystalline blocks that form a spherical particle, activating diffusion processes in the cation sublattice of the solid solution. More... »

PAGES

51-56

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1134/s0020168515010021

DOI

http://dx.doi.org/10.1134/s0020168515010021

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1022094430


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