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Hydrothermally assisted synthesis of ▫${\rm YMnO_3}$▫Branković, Zorica ...In this work single phase hexagonal ▫${\rm YMnO_3}$▫ powders were prepared starting from ▫${\rm Y(CH_3COO)_3 \cdot xH_2O}$▫, ▫${\rm Mn(CH_3COO)_2 \cdot 4H_2O}$▫, ▫${\rm KMnO_4}$▫ and ▫${\rm KOH}$▫ ... using methods of conventional (280 °C for 6 h) or microwave assisted hydrothermal synthesis (200 °C for 2 h) followed by calcination at 1200 °C for 2 h. According to FESEM analysis the calcined powders consisted of submicronic ▫${\rm YMnO_3}$▫ particles, which were uniform in shape and size. Ceramic samples were obtained by sintering the as-synthesized powders at 1400 °C for 2 h. XRD analysis confirmed the presence of the single phase hexagonal ▫${\rm YMnO_3}$▫. SEM analysis showed a dense and homogeneous microstructure with typical inter- and intra-grain cracks. Magnetic measurements indicated ferrimagnetic properties that were explained by non-stoichiometry of the obtained compound and an excess of manganese that was confirmed by ICP analysis.Source: Ceramics international. - ISSN 0272-8842 (Vol. 41, iss. 10, part B, Dec. 2015, str. 14293-14298)Type of material - article, component partPublish date - 2015Language - englishCOBISS.SI-ID - 17726041
Author
Branković, Zorica |
Branković, Goran |
Počuča-Nešić, Milica |
Marinković Stanojević, Zorica |
Žunić, Milan |
Luković Golić, Danijela |
Tararam, R. |
Cilense, Mário |
Zaghete, Maria Aparedica |
Jagličić, Zvonko |
Jagodič, Marko, 1981- |
Varela, José A.
Topics
itrijev manganat |
hidrotermalna sinteza |
fazna evolucija |
magnetne meritve |
yttrium manganite |
hydrothermal synthesis |
phase evolution |
magnetic measurements
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Branković, Zorica | |
Branković, Goran | |
Počuča-Nešić, Milica | |
Marinković Stanojević, Zorica | |
Žunić, Milan | |
Luković Golić, Danijela | |
Tararam, R. | |
Cilense, Mário | |
Zaghete, Maria Aparedica | |
Jagličić, Zvonko | 11892 |
Jagodič, Marko, 1981- | 28581 |
Varela, José A. |
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