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Title: Novel Microwave-Assisted Method of Y2Ti2O7 Powder Synthesis
Authors: Chishkala, Vladimir
Lytovchenko, Serhiy
Mazilin, Bohdan
Gevorkyan, Edwin
Shkuropatenko, Vladimir
Voyevodin, Viktor
Rucki, Mirosław
Siemiątkowski, Zbigniew
Matijošius, Jonas
Dudziak, Agnieszka
Caban, Jacek
Kilikevičius, Artūras
Keywords: pyrochlore
microwave irradiation
solid-phase synthesis
Issue Date: 2020
Publisher: MDPI
Citation: Chishkala, V.; Lytovchenko, S.; Mazilin, B.; Gevorkyan, E.; Shkuropatenko, V.; Voyevodin, V.; Rucki, M.; Siemiątkowski, Z.; Matijošius, J.; Dudziak, A.; Caban, J.; Kilikevičius, A. Novel Microwave-Assisted Method of Y2Ti2O7 Powder Synthesis. Materials 2020, 13, 5621.
Series/Report no.: 13;24
Abstract: In the paper, a novel technique for highly dispersed pyrochlore Y2Ti2O7 is proposed. The experimental results proved that the application of microwave irradiation at a certain stage of calcination allowed synthesizing of Y2Ti2O7 in much shorter time, which ensured substantial energy savings. An increase up to 98 wt.% in the content of the preferred phase with a pyrochlore-type structure Y2Ti2O7 was obtained after 25 h of yttrium and titanium oxides calcination at a relatively low temperature of 1150 °C, while the microwave-supported process took only 9 h and provided 99 wt.% of pyrochlore. The proposed technology is suitable for industrial applications, enabling the fabrication of large industrial amounts of pyrochlore without solvent chemistry and high-energy mills. It reduced the cost of both equipment and energy and made the process more environmentally friendly. The particle size and morphology did not change significantly; therefore, the microwave-assisted method can fully replace the traditional one.
Description: This article belongs to the Special Issue Advances in Materials Processing
ISSN: 1996-1944
Appears in Collections:Moksliniai straipsniai / Research articles

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