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Vol. 34 No. 5 (2022): Vol 34 Issue 5, 2022

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Optical and Magnetic Characteristics of LaFeO3 Nanoparticles Synthesized by Simple Co-Precipitation Method using Ethanol

https://doi.org/10.14233/ajchem.2022.23606
Pham Thi Hong Duyen
Institute of Applied Technology, Thu Dau Mot University, Thu Dau Mot City, Binh Duong Province 590000, Vietnam
Nguyen Anh Tien
Faculty of Chemistry, Ho Chi Minh City University of Education, Ho Chi Minh City 700000, Vietnam
Bui Xuan Vuong
Faculty of Pedagogy in Natural Sciences, Sai Gon University, Ho Chi Minh City 700000, Vietnam

Corresponding Author(s) : Bui Xuan Vuong

buixuanvuongsgu@gmail.com

Asian Journal of Chemistry, Vol. 34 No. 5 (2022): Vol 34 Issue 5, 2022

Abstract

Present study describes the synthesis of nanocrystalline lanthanum orthoferrite by co-precipitation method using ethanol as a solvent. LaFeO3 nanopowders formed after annealing the precursor at temperatures of 700, 800 and 900 ºC for 1 h, have a particle size in the range of 30-50 nm. According to XRD analysis, an increase in the annealing temperature from 700 to 900 ºC leads to an increase in the average crystallite size from 43.76 to 62.80 nm and a decrease in the unit cell volume of about 241.90 to 240.66 Å3. Synthesized LaFeO3 nanoparticles have strong absorption in ultraviolet (~ 200-400 nm) and visible light (~ 400-600 nm) and are soft magnetic materials with high magnetization.

Keywords

Nanocrystals Lanthanum orthoferrite Ethanol Optical properties Magnetic properties Co-precipitation method
Thi Hong Duyen, P., Anh Tien, N., & Xuan Vuong, B. (2022). Optical and Magnetic Characteristics of LaFeO3 Nanoparticles Synthesized by Simple Co-Precipitation Method using Ethanol. Asian Journal of Chemistry, 34(5), 1279–1283. https://doi.org/10.14233/ajchem.2022.23606
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