Geodesic
Facile combustion synthesis of TbFeO$_{3}$ nanocrystals with hexagonal and orthorhombic structure
Nanosistemy: fizika, himiâ, matematika, Tome 10 (2019) no. 6, pp. 694-700 Cet article a éte moissonné depuis la source Math-Net.Ru

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In this research, the formation process of nanocrystalline terbium orthoferrite (TbFeO$_{3}$) obtained via a solution combustion technique was studied using powder X-ray diffractometry, scanning electron microscopy, $^{57}$Fe Mössbauer spectroscopy, N$_{2}$ adsorption analysis, and FTIR spectroscopy. It was shown that glycine-nitrate combustion method permits one to obtain TbFeO$_{3}$ of three different modifications: orthorhombic o-TbFeO$_{3}$ (Pbnm), hexagonal h-TbFeO$_{3}$ (P6$_{3}$/mmc) and amorphous am-TbFeO$_{3}$. It was found that the average crystallite sizes of orthorhombic and hexagonal TbFeO$_{3}$ were $29\pm3$ and $15\pm2$ nm, respectively. The formation mechanism of different structural forms of terbium orthoferrite was investigated on the basis of nanopowders morphology, specific surface areas, average pore sizes, and crystallite sizes.
Keywords: nanocrystals, rare earths, orthoferrites
Mots-clés : terbium orthoferrite, TbFeO$_3$, phase formation, polymorphism. 
@article{NANO_2019_10_6_a12,
     author = {K. D. Martinson and V. A. Ivanov and M. I. Chebanenko and V. V. Panchuk and V. G. Semenov and V. I. Popkov},
     title = {Facile combustion synthesis of {TbFeO}$_{3}$ nanocrystals with hexagonal and orthorhombic structure},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {694--700},
     year = {2019},
     volume = {10},
     number = {6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2019_10_6_a12/}
}
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%A M. I. Chebanenko
%A V. V. Panchuk
%A V. G. Semenov
%A V. I. Popkov
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%J Nanosistemy: fizika, himiâ, matematika
%D 2019
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K. D. Martinson; V. A. Ivanov; M. I. Chebanenko; V. V. Panchuk; V. G. Semenov; V. I. Popkov. Facile combustion synthesis of TbFeO$_{3}$ nanocrystals with hexagonal and orthorhombic structure. Nanosistemy: fizika, himiâ, matematika, Tome 10 (2019) no. 6, pp. 694-700. http://geodesic.mathdoc.fr/item/NANO_2019_10_6_a12/