Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology

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Laboratory for Advanced Nuclear Energy, Institute of Innovative Research, Tokyo Institute of Technology

Authors

Publications

Synthesis, densification and characterization of Ag doped ceria nanopowders

Matović, Branko; Butulija, Svetlana; Dohčević-Mitrović, Zorana; Minović-Arsić, Tamara; Luković, Jelena M.; Bošković, Snežana B.; Maletaškić, Jelena

(2020)

TY  - JOUR
AU  - Matović, Branko
AU  - Butulija, Svetlana
AU  - Dohčević-Mitrović, Zorana
AU  - Minović-Arsić, Tamara
AU  - Luković, Jelena M.
AU  - Bošković, Snežana B.
AU  - Maletaškić, Jelena
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8572
AB  - Nanosized Ag-doped ceria (Ce1-xAlxO2-δ)powders (0.1 ≤ x ≤ 0.04) were obtained by self-propagating room temperature reaction. The solid solubility of Ag into ceria lattice was the highest reported so far. X-ray diffraction analysis and field emission scanning microscopy results showed that the doped samples are single phase solid solutions with fluorite-type structure and all prepared powders were nanometric in size. The average size of Ce1-xAgxO2-▯ particles lies at about 4 nm. Raman spectra revealed an increase in the amount of oxygen vacancies with the increase of Ag concentration, such as is foreseen. The thermal stability of solid solution was followed by XRD. Microstructure development was studied by scanning electron microscopy. By controlling the processing variables, it was possible to obtain high density samples with homogeneous microstructure at low sintering temperature. © 2020 Elsevier Ltd
T2  - Journal of the European Ceramic Society
T1  - Synthesis, densification and characterization of Ag doped ceria nanopowders
VL  - 40
IS  - 5
SP  - 1983
EP  - 1988
DO  - 10.1016/j.jeurceramsoc.2020.01.013
ER  - 
@article{
author = "Matović, Branko and Butulija, Svetlana and Dohčević-Mitrović, Zorana and Minović-Arsić, Tamara and Luković, Jelena M. and Bošković, Snežana B. and Maletaškić, Jelena",
year = "2020",
abstract = "Nanosized Ag-doped ceria (Ce1-xAlxO2-δ)powders (0.1 ≤ x ≤ 0.04) were obtained by self-propagating room temperature reaction. The solid solubility of Ag into ceria lattice was the highest reported so far. X-ray diffraction analysis and field emission scanning microscopy results showed that the doped samples are single phase solid solutions with fluorite-type structure and all prepared powders were nanometric in size. The average size of Ce1-xAgxO2-▯ particles lies at about 4 nm. Raman spectra revealed an increase in the amount of oxygen vacancies with the increase of Ag concentration, such as is foreseen. The thermal stability of solid solution was followed by XRD. Microstructure development was studied by scanning electron microscopy. By controlling the processing variables, it was possible to obtain high density samples with homogeneous microstructure at low sintering temperature. © 2020 Elsevier Ltd",
journal = "Journal of the European Ceramic Society",
title = "Synthesis, densification and characterization of Ag doped ceria nanopowders",
volume = "40",
number = "5",
pages = "1983-1988",
doi = "10.1016/j.jeurceramsoc.2020.01.013"
}
Matović, B., Butulija, S., Dohčević-Mitrović, Z., Minović-Arsić, T., Luković, J. M., Bošković, S. B.,& Maletaškić, J.. (2020). Synthesis, densification and characterization of Ag doped ceria nanopowders. in Journal of the European Ceramic Society, 40(5), 1983-1988.
https://doi.org/10.1016/j.jeurceramsoc.2020.01.013
Matović B, Butulija S, Dohčević-Mitrović Z, Minović-Arsić T, Luković JM, Bošković SB, Maletaškić J. Synthesis, densification and characterization of Ag doped ceria nanopowders. in Journal of the European Ceramic Society. 2020;40(5):1983-1988.
doi:10.1016/j.jeurceramsoc.2020.01.013 .
Matović, Branko, Butulija, Svetlana, Dohčević-Mitrović, Zorana, Minović-Arsić, Tamara, Luković, Jelena M., Bošković, Snežana B., Maletaškić, Jelena, "Synthesis, densification and characterization of Ag doped ceria nanopowders" in Journal of the European Ceramic Society, 40, no. 5 (2020):1983-1988,
https://doi.org/10.1016/j.jeurceramsoc.2020.01.013 . .
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Synthesis and characterization of pyrochlore lanthanide (Pr, Sm) zirconate ceramics

Matović, Branko; Maletaškić, Jelena; Zagorac, Jelena B.; Pavkov, Vladimir; Maki, Ryosuke S.S.; Yoshida, Katsumi; Yano, Toyohiko

(2020)

TY  - JOUR
AU  - Matović, Branko
AU  - Maletaškić, Jelena
AU  - Zagorac, Jelena B.
AU  - Pavkov, Vladimir
AU  - Maki, Ryosuke S.S.
AU  - Yoshida, Katsumi
AU  - Yano, Toyohiko
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8668
AB  - Three different lanthanide zirconate powders: Pr2Zr2O7, Sm2Zr2O7 and PrSmZr2O7 were prepared by combustion synthesis. The synthesis initially yielded amorphous powders, which crystallized after subsequent thermal treatment. Well-crystallized compounds were formed after calcination at temperature as low as 950 °C. Effect of the thermal treatment on the phase evolution was studied by X-ray powder diffraction (XRD). The powders calcined at the highest temperature (1550 °C) showed that all compositions possess the pyrochlore structure with the space group No. 227. The obtained powders were compacted and pressureless sintered without additive at 1600 °C for 4 h in the air. Microstructure development was examined by field emission scanning electron microscopy, as well as by transmission electron microscopy. It was found that the lowest value for thermal conductivity, 1.2 W/m K, was obtained for mixed lanthanide composition with pyrochlore structure (PrSmZr2O7). The effect of chemical composition on micro-hardness and thermal conductivity of the obtained zirconates was studied. © 2019 Elsevier Ltd
T2  - Journal of the European Ceramic Society
T1  - Synthesis and characterization of pyrochlore lanthanide (Pr, Sm) zirconate ceramics
VL  - 40
IS  - 7
SP  - 2652
EP  - 2657
DO  - 10.1016/j.jeurceramsoc.2019.11.012
ER  - 
@article{
author = "Matović, Branko and Maletaškić, Jelena and Zagorac, Jelena B. and Pavkov, Vladimir and Maki, Ryosuke S.S. and Yoshida, Katsumi and Yano, Toyohiko",
year = "2020",
abstract = "Three different lanthanide zirconate powders: Pr2Zr2O7, Sm2Zr2O7 and PrSmZr2O7 were prepared by combustion synthesis. The synthesis initially yielded amorphous powders, which crystallized after subsequent thermal treatment. Well-crystallized compounds were formed after calcination at temperature as low as 950 °C. Effect of the thermal treatment on the phase evolution was studied by X-ray powder diffraction (XRD). The powders calcined at the highest temperature (1550 °C) showed that all compositions possess the pyrochlore structure with the space group No. 227. The obtained powders were compacted and pressureless sintered without additive at 1600 °C for 4 h in the air. Microstructure development was examined by field emission scanning electron microscopy, as well as by transmission electron microscopy. It was found that the lowest value for thermal conductivity, 1.2 W/m K, was obtained for mixed lanthanide composition with pyrochlore structure (PrSmZr2O7). The effect of chemical composition on micro-hardness and thermal conductivity of the obtained zirconates was studied. © 2019 Elsevier Ltd",
journal = "Journal of the European Ceramic Society",
title = "Synthesis and characterization of pyrochlore lanthanide (Pr, Sm) zirconate ceramics",
volume = "40",
number = "7",
pages = "2652-2657",
doi = "10.1016/j.jeurceramsoc.2019.11.012"
}
Matović, B., Maletaškić, J., Zagorac, J. B., Pavkov, V., Maki, R. S.S., Yoshida, K.,& Yano, T.. (2020). Synthesis and characterization of pyrochlore lanthanide (Pr, Sm) zirconate ceramics. in Journal of the European Ceramic Society, 40(7), 2652-2657.
https://doi.org/10.1016/j.jeurceramsoc.2019.11.012
Matović B, Maletaškić J, Zagorac JB, Pavkov V, Maki RS, Yoshida K, Yano T. Synthesis and characterization of pyrochlore lanthanide (Pr, Sm) zirconate ceramics. in Journal of the European Ceramic Society. 2020;40(7):2652-2657.
doi:10.1016/j.jeurceramsoc.2019.11.012 .
Matović, Branko, Maletaškić, Jelena, Zagorac, Jelena B., Pavkov, Vladimir, Maki, Ryosuke S.S., Yoshida, Katsumi, Yano, Toyohiko, "Synthesis and characterization of pyrochlore lanthanide (Pr, Sm) zirconate ceramics" in Journal of the European Ceramic Society, 40, no. 7 (2020):2652-2657,
https://doi.org/10.1016/j.jeurceramsoc.2019.11.012 . .
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