TY  - JOUR
AU  - Šaponjić, A.
AU  - Ilić, S.
AU  - Barudzija, T.
AU  - Radosavljević-Mihajlović, Ana
AU  - Kokunešoski, Maja
AU  - Matović, Branko
PY  - 2023
UR  - https://ritnms.itnms.ac.rs/handle/123456789/652
AB  - In this paper, the effects of the addition of silicon nitride seeds on the phase composition, particle size, and shape of silicon nitride powders obtained by carbothermal reduction-nitridation were studied. Environmentally friendly natural raw material, diatomaceous earth, was used as a Si precursor. Three different carbon sources were used: activated carbon, carbonized sucrose, and carbon cryogel as reducing agents in the molar ratio C/SiO2 = 5. To obtain better-quality Si3N4 powder, the commercial α-Si3N4 powder was added into starting mixtures as seeds in four different quantities. The X-ray diffraction, specific surface area, infrared spectroscopy with Fourier transform, and scanning electron microscopy were employed to characterize the obtained powders. Sucrose as a carbon source enables a major reduction of SiO2 and the onset of β-Si3N4 crystallization at a lower temperature (1350 °C) as well as the complete absence of diatomaceous earth relics. It indicates that the carbothermal reduction-nitridation takes place faster in contrast to the other two carbon sources.
PB  - Springer
T2  - Journal of the Australian Ceramic Society
T1  - Seeded silicon nitride powders obtained by carbothermal reduction—nitridation of diatomite and various sources of carbon
DO  - 10.1007/s41779-023-00876-w
UR  - conv_985
ER  - 

@article{
author = "Šaponjić, A. and Ilić, S. and Barudzija, T. and Radosavljević-Mihajlović, Ana and Kokunešoski, Maja and Matović, Branko",
year = "2023",
abstract = "In this paper, the effects of the addition of silicon nitride seeds on the phase composition, particle size, and shape of silicon nitride powders obtained by carbothermal reduction-nitridation were studied. Environmentally friendly natural raw material, diatomaceous earth, was used as a Si precursor. Three different carbon sources were used: activated carbon, carbonized sucrose, and carbon cryogel as reducing agents in the molar ratio C/SiO2 = 5. To obtain better-quality Si3N4 powder, the commercial α-Si3N4 powder was added into starting mixtures as seeds in four different quantities. The X-ray diffraction, specific surface area, infrared spectroscopy with Fourier transform, and scanning electron microscopy were employed to characterize the obtained powders. Sucrose as a carbon source enables a major reduction of SiO2 and the onset of β-Si3N4 crystallization at a lower temperature (1350 °C) as well as the complete absence of diatomaceous earth relics. It indicates that the carbothermal reduction-nitridation takes place faster in contrast to the other two carbon sources.",
publisher = "Springer",
journal = "Journal of the Australian Ceramic Society",
title = "Seeded silicon nitride powders obtained by carbothermal reduction—nitridation of diatomite and various sources of carbon",
doi = "10.1007/s41779-023-00876-w",
url = "conv_985"
}

Šaponjić, A., Ilić, S., Barudzija, T., Radosavljević-Mihajlović, A., Kokunešoski, M.,& Matović, B.. (2023). Seeded silicon nitride powders obtained by carbothermal reduction—nitridation of diatomite and various sources of carbon. in Journal of the Australian Ceramic Society
Springer..
https://doi.org/10.1007/s41779-023-00876-w
conv_985

Šaponjić A, Ilić S, Barudzija T, Radosavljević-Mihajlović A, Kokunešoski M, Matović B. Seeded silicon nitride powders obtained by carbothermal reduction—nitridation of diatomite and various sources of carbon. in Journal of the Australian Ceramic Society. 2023;.
doi:10.1007/s41779-023-00876-w
conv_985 .

Šaponjić, A., Ilić, S., Barudzija, T., Radosavljević-Mihajlović, Ana, Kokunešoski, Maja, Matović, Branko, "Seeded silicon nitride powders obtained by carbothermal reduction—nitridation of diatomite and various sources of carbon" in Journal of the Australian Ceramic Society (2023),
https://doi.org/10.1007/s41779-023-00876-w .,
conv_985 .

TY  - JOUR
AU  - Pantić, Jelena
AU  - Prekajski, Marija
AU  - Dramicanin, Miroslav
AU  - Abazović, Nadica
AU  - Vuković, Nikola
AU  - Kremenović, Aleksandar
AU  - Matović, Branko
PY  - 2013
UR  - https://ritnms.itnms.ac.rs/handle/123456789/260
AB  - Mechanical activation of precursors has been used for the preparation of Cr-doped sphene ceramic pigments (CaTi1-yCrySiO5). Ceramic material has been prepared from a powder mixture of CaCO3, TiO2, SiO2 and Cr(NO3)center dot 9H(2)O using vibro-milling for homogenization and activation of precursors. The mechanochemical process initially yielded amorphous powders, which on further calcination, crystallized to yield Cr-doped sphene ceramic pigment. Phase evolution in CaTi1-yCrySiO5 composition with thermal treatment was investigated by X-ray powder diffraction (XRPD). Texture properties and particle size distribution were analyzed by scanning electron microscopy (SEM) and laser diffraction, respectively. UV/Vis reflectance spectra are used to determinate the behavior of the chromium ion. The color efficiency of pigments was evaluated by colorimetric analysis (CIE L * a * b system). Photoluminescence measurements were also performed.
PB  - Elsevier Science Sa, Lausanne
T2  - Journal of Alloys and Compounds
T1  - Preparation and characterization of chrome doped sphene pigments prepared via precursor mechanochemical activation
EP  - 294
SP  - 290
VL  - 579
DO  - 10.1016/j.jallcom.2013.06.046
UR  - conv_665
ER  - 

@article{
author = "Pantić, Jelena and Prekajski, Marija and Dramicanin, Miroslav and Abazović, Nadica and Vuković, Nikola and Kremenović, Aleksandar and Matović, Branko",
year = "2013",
abstract = "Mechanical activation of precursors has been used for the preparation of Cr-doped sphene ceramic pigments (CaTi1-yCrySiO5). Ceramic material has been prepared from a powder mixture of CaCO3, TiO2, SiO2 and Cr(NO3)center dot 9H(2)O using vibro-milling for homogenization and activation of precursors. The mechanochemical process initially yielded amorphous powders, which on further calcination, crystallized to yield Cr-doped sphene ceramic pigment. Phase evolution in CaTi1-yCrySiO5 composition with thermal treatment was investigated by X-ray powder diffraction (XRPD). Texture properties and particle size distribution were analyzed by scanning electron microscopy (SEM) and laser diffraction, respectively. UV/Vis reflectance spectra are used to determinate the behavior of the chromium ion. The color efficiency of pigments was evaluated by colorimetric analysis (CIE L * a * b system). Photoluminescence measurements were also performed.",
publisher = "Elsevier Science Sa, Lausanne",
journal = "Journal of Alloys and Compounds",
title = "Preparation and characterization of chrome doped sphene pigments prepared via precursor mechanochemical activation",
pages = "294-290",
volume = "579",
doi = "10.1016/j.jallcom.2013.06.046",
url = "conv_665"
}

Pantić, J., Prekajski, M., Dramicanin, M., Abazović, N., Vuković, N., Kremenović, A.,& Matović, B.. (2013). Preparation and characterization of chrome doped sphene pigments prepared via precursor mechanochemical activation. in Journal of Alloys and Compounds
Elsevier Science Sa, Lausanne., 579, 290-294.
https://doi.org/10.1016/j.jallcom.2013.06.046
conv_665

Pantić J, Prekajski M, Dramicanin M, Abazović N, Vuković N, Kremenović A, Matović B. Preparation and characterization of chrome doped sphene pigments prepared via precursor mechanochemical activation. in Journal of Alloys and Compounds. 2013;579:290-294.
doi:10.1016/j.jallcom.2013.06.046
conv_665 .

Pantić, Jelena, Prekajski, Marija, Dramicanin, Miroslav, Abazović, Nadica, Vuković, Nikola, Kremenović, Aleksandar, Matović, Branko, "Preparation and characterization of chrome doped sphene pigments prepared via precursor mechanochemical activation" in Journal of Alloys and Compounds, 579 (2013):290-294,
https://doi.org/10.1016/j.jallcom.2013.06.046 .,
conv_665 .