Synthesis of nano-crystalline NiFe2O4 powders in subcritical and supercritical ethanol
Само за регистроване кориснике
2016
Аутори
Ćosović, AleksandarŽák, Tomáš
Glišić, Sandra
Sokić, Miroslav
Lazarević, Slavica
Ćosović, Vladan
Orlović, Aleksandar
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документуАпстракт
Nano-crystalline nickel ferrite has a broad range of applications due to its favourable magnetic properties. Those characteristics can be significantly influenced by the synthesis pathway including methods conducted in the presence of supercritical alcohols. Nano-crystalline NiFe2O4 powders were obtained in the reaction under subcritical and supercritical conditions of ethanol. Both high pressure synthesis routes resulted in powders with smaller primary particles and higher mesoporosity than co-precipitation method. Upon the annealing treatment the average crystallite size increased while material structure remained uniform, resulting in significantly enhanced magnetic properties, such as coercivity and remanence. It was found that synthesis under supercritical conditions provides higher conversion but also material with larger average crystallite size upon annealing. The time and temperature of annealing stage significantly influenced the morphology and magnetic properties of the obta...ined powders.
Кључне речи:
Supercritical / Subcritical / Nano-crystalline powders / Nickel ferrite / Metal oxide / Magnetic propertiesИзвор:
Journal of Supercritical Fluids, 2016, 113, 96-105Издавач:
- Elsevier Science Bv, Amsterdam
Финансирање / пројекти:
- Развој технолошких процеса прераде нестандардних концентрата бакра у циљу оптимизације емисије загађујућих материја (RS-34023)
- European Regional Development Fund through CEITEC-Central European Institute of Technology [CZ.1.05/1.1.00/02.0068]
DOI: 10.1016/j.supflu.2016.03.014
ISSN: 0896-8446
WoS: 000375500000014
Scopus: 2-s2.0-84961926591
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Ćosović, Aleksandar AU - Žák, Tomáš AU - Glišić, Sandra AU - Sokić, Miroslav AU - Lazarević, Slavica AU - Ćosović, Vladan AU - Orlović, Aleksandar PY - 2016 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3262 AB - Nano-crystalline nickel ferrite has a broad range of applications due to its favourable magnetic properties. Those characteristics can be significantly influenced by the synthesis pathway including methods conducted in the presence of supercritical alcohols. Nano-crystalline NiFe2O4 powders were obtained in the reaction under subcritical and supercritical conditions of ethanol. Both high pressure synthesis routes resulted in powders with smaller primary particles and higher mesoporosity than co-precipitation method. Upon the annealing treatment the average crystallite size increased while material structure remained uniform, resulting in significantly enhanced magnetic properties, such as coercivity and remanence. It was found that synthesis under supercritical conditions provides higher conversion but also material with larger average crystallite size upon annealing. The time and temperature of annealing stage significantly influenced the morphology and magnetic properties of the obtained powders. PB - Elsevier Science Bv, Amsterdam T2 - Journal of Supercritical Fluids T1 - Synthesis of nano-crystalline NiFe2O4 powders in subcritical and supercritical ethanol EP - 105 SP - 96 VL - 113 DO - 10.1016/j.supflu.2016.03.014 ER -
@article{ author = "Ćosović, Aleksandar and Žák, Tomáš and Glišić, Sandra and Sokić, Miroslav and Lazarević, Slavica and Ćosović, Vladan and Orlović, Aleksandar", year = "2016", abstract = "Nano-crystalline nickel ferrite has a broad range of applications due to its favourable magnetic properties. Those characteristics can be significantly influenced by the synthesis pathway including methods conducted in the presence of supercritical alcohols. Nano-crystalline NiFe2O4 powders were obtained in the reaction under subcritical and supercritical conditions of ethanol. Both high pressure synthesis routes resulted in powders with smaller primary particles and higher mesoporosity than co-precipitation method. Upon the annealing treatment the average crystallite size increased while material structure remained uniform, resulting in significantly enhanced magnetic properties, such as coercivity and remanence. It was found that synthesis under supercritical conditions provides higher conversion but also material with larger average crystallite size upon annealing. The time and temperature of annealing stage significantly influenced the morphology and magnetic properties of the obtained powders.", publisher = "Elsevier Science Bv, Amsterdam", journal = "Journal of Supercritical Fluids", title = "Synthesis of nano-crystalline NiFe2O4 powders in subcritical and supercritical ethanol", pages = "105-96", volume = "113", doi = "10.1016/j.supflu.2016.03.014" }
Ćosović, A., Žák, T., Glišić, S., Sokić, M., Lazarević, S., Ćosović, V.,& Orlović, A.. (2016). Synthesis of nano-crystalline NiFe2O4 powders in subcritical and supercritical ethanol. in Journal of Supercritical Fluids Elsevier Science Bv, Amsterdam., 113, 96-105. https://doi.org/10.1016/j.supflu.2016.03.014
Ćosović A, Žák T, Glišić S, Sokić M, Lazarević S, Ćosović V, Orlović A. Synthesis of nano-crystalline NiFe2O4 powders in subcritical and supercritical ethanol. in Journal of Supercritical Fluids. 2016;113:96-105. doi:10.1016/j.supflu.2016.03.014 .
Ćosović, Aleksandar, Žák, Tomáš, Glišić, Sandra, Sokić, Miroslav, Lazarević, Slavica, Ćosović, Vladan, Orlović, Aleksandar, "Synthesis of nano-crystalline NiFe2O4 powders in subcritical and supercritical ethanol" in Journal of Supercritical Fluids, 113 (2016):96-105, https://doi.org/10.1016/j.supflu.2016.03.014 . .