Synthesis and Characterization of Multifferoics 16%(Fe2O3)4%(BaCO3)80%(BaTiO3)
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The initial powder (16 % Fe2O3, 4 % BaCO3, 80 % BaTiO3) was mechanically activated in a planetary mill for 20, 80, 120, 160, 200 and 220 minutes in air. Modified Faraday method was used to perform magnetization measurements of compressed activated powder. The value of magnetization of these samples increases with increase in time of activation from 0.77 Am2kg-1 to 1.74 Am2kg-1. Thermomagnetic measurements in 20-600 °C temperature interval was used to investigate the dependence of magnetization on temperature. Multiple heating cycles of the sample activated for 120 min shows that after heating to 540 °C and 600 °C the value of magnetization increases 17 % and 62 %, respectively. Compressed powder samples were sintered for 2 hours at 1200 °C, leading to an increase in magnetization of 81 to 123 %. Thermomagnetic measurements of sintered samples in 20-450 °C temperature interval shows that sintered samples possess both ferromagnetic and ferroelectric properties. The relative dielectric co...nstant of sintered samples at room temperature is around 8x104, depending on mechanical activation time.
Ključne reči:
multifferoics / mechanical activation / thermomagnetic measurements / sinteringIzvor:
Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VI: New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, September 18-20, 2017, 2017, 77-77Izdavač:
- Belgrade : Serbian Ceramic Society
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Institucija/grupa
Poljoprivredni fakultetTY - CONF AU - Lazarević, R. AU - Kosanović, Darko AU - Pavlović, Vladimir B. AU - Đukić, S. AU - Maričić, Aleksa PY - 2017 UR - http://dais.sanu.ac.rs/123456789/4769 UR - http://aspace.agrif.bg.ac.rs/handle/123456789/5736 AB - The initial powder (16 % Fe2O3, 4 % BaCO3, 80 % BaTiO3) was mechanically activated in a planetary mill for 20, 80, 120, 160, 200 and 220 minutes in air. Modified Faraday method was used to perform magnetization measurements of compressed activated powder. The value of magnetization of these samples increases with increase in time of activation from 0.77 Am2kg-1 to 1.74 Am2kg-1. Thermomagnetic measurements in 20-600 °C temperature interval was used to investigate the dependence of magnetization on temperature. Multiple heating cycles of the sample activated for 120 min shows that after heating to 540 °C and 600 °C the value of magnetization increases 17 % and 62 %, respectively. Compressed powder samples were sintered for 2 hours at 1200 °C, leading to an increase in magnetization of 81 to 123 %. Thermomagnetic measurements of sintered samples in 20-450 °C temperature interval shows that sintered samples possess both ferromagnetic and ferroelectric properties. The relative dielectric constant of sintered samples at room temperature is around 8x104, depending on mechanical activation time. PB - Belgrade : Serbian Ceramic Society C3 - Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VI: New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, September 18-20, 2017 T1 - Synthesis and Characterization of Multifferoics 16%(Fe2O3)4%(BaCO3)80%(BaTiO3) EP - 77 SP - 77 UR - https://hdl.handle.net/21.15107/rcub_dais_4769 ER -
@conference{ author = "Lazarević, R. and Kosanović, Darko and Pavlović, Vladimir B. and Đukić, S. and Maričić, Aleksa", year = "2017", abstract = "The initial powder (16 % Fe2O3, 4 % BaCO3, 80 % BaTiO3) was mechanically activated in a planetary mill for 20, 80, 120, 160, 200 and 220 minutes in air. Modified Faraday method was used to perform magnetization measurements of compressed activated powder. The value of magnetization of these samples increases with increase in time of activation from 0.77 Am2kg-1 to 1.74 Am2kg-1. Thermomagnetic measurements in 20-600 °C temperature interval was used to investigate the dependence of magnetization on temperature. Multiple heating cycles of the sample activated for 120 min shows that after heating to 540 °C and 600 °C the value of magnetization increases 17 % and 62 %, respectively. Compressed powder samples were sintered for 2 hours at 1200 °C, leading to an increase in magnetization of 81 to 123 %. Thermomagnetic measurements of sintered samples in 20-450 °C temperature interval shows that sintered samples possess both ferromagnetic and ferroelectric properties. The relative dielectric constant of sintered samples at room temperature is around 8x104, depending on mechanical activation time.", publisher = "Belgrade : Serbian Ceramic Society", journal = "Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VI: New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, September 18-20, 2017", title = "Synthesis and Characterization of Multifferoics 16%(Fe2O3)4%(BaCO3)80%(BaTiO3)", pages = "77-77", url = "https://hdl.handle.net/21.15107/rcub_dais_4769" }
Lazarević, R., Kosanović, D., Pavlović, V. B., Đukić, S.,& Maričić, A.. (2017). Synthesis and Characterization of Multifferoics 16%(Fe2O3)4%(BaCO3)80%(BaTiO3). in Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VI: New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, September 18-20, 2017 Belgrade : Serbian Ceramic Society., 77-77. https://hdl.handle.net/21.15107/rcub_dais_4769
Lazarević R, Kosanović D, Pavlović VB, Đukić S, Maričić A. Synthesis and Characterization of Multifferoics 16%(Fe2O3)4%(BaCO3)80%(BaTiO3). in Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VI: New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, September 18-20, 2017. 2017;:77-77. https://hdl.handle.net/21.15107/rcub_dais_4769 .
Lazarević, R., Kosanović, Darko, Pavlović, Vladimir B., Đukić, S., Maričić, Aleksa, "Synthesis and Characterization of Multifferoics 16%(Fe2O3)4%(BaCO3)80%(BaTiO3)" in Program and the Book of Abstracts / Serbian Ceramic Society Conference Advanced Ceramics and Application VI: New Frontiers in Multifunctional Material Science and Processing, Serbia, Belgrade, September 18-20, 2017 (2017):77-77, https://hdl.handle.net/21.15107/rcub_dais_4769 .