Geodesic
The effect of co-precipitation temperature on the crystallite size and aggregation/agglomeration of GdFeO$_3$ nanoparticles
Nanosistemy: fizika, himiâ, matematika, Tome 12 (2021) no. 2, pp. 224-231 Cet article a éte moissonné depuis la source Math-Net.Ru

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In this work, a series of GdFeO$_3$ nanopowders was successfully synthesized via a reverse co-precipitation technique at different solution temperatures (0, 25 and 50 $^\circ$C) followed by thermal treatment. Co-precipitated hydroxides and heat treatment products were analyzed using EDXS, DTA-TGA, PXRD, ASA and LD methods. It was shown that the formation temperature of GdFeO$_3$ nanoparticles varies in the range of 737.5–758.8 $^\circ$C and total weight loss varies in the range of 23.6–26.4% depending on the temperature of initial solutions. The specific surface areas of nanopowders were found to be strongly dependent on the factor mentioned above and belong to 2.5–16.3 m2/g values interval. The hierarchical structure of the obtained nanopowders was established and the effect of co-precipitation temperature on the average crystallite (21.4–34.3 nm), aggregate (46.2-301.2 nm) and agglomerate (33.5–40.9 $\mu$m) sizes was discussed in detail.
Keywords: co-precipitation, gadolinium orthoferrite, aggregation, agglomeration.
Mots-clés : nanoparticles 
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     author = {V. I. Popkov and Y. Albadi},
     title = {The effect of co-precipitation temperature on the crystallite size and aggregation/agglomeration of {GdFeO}$_3$ nanoparticles},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {224--231},
     year = {2021},
     volume = {12},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2021_12_2_a12/}
}
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V. I. Popkov; Y. Albadi. The effect of co-precipitation temperature on the crystallite size and aggregation/agglomeration of GdFeO$_3$ nanoparticles. Nanosistemy: fizika, himiâ, matematika, Tome 12 (2021) no. 2, pp. 224-231. http://geodesic.mathdoc.fr/item/NANO_2021_12_2_a12/