2019•physica status solidi (b)Requires access
The Influence of Ba2+ Ions on the Physical Properties of Perovskite Nanoparticles La1−xBaxFeO3 Synthesized by Sol–Gel Method
Qing Lin, Xingxing Yang, Jinpei Lin, Yun He, Jianghui Dong, Liping Wang
Open publisher page 3 citations
Abstract
The sol–gel autocombustion preparation is used to synthesize La1–xBaxFeO3 (x = 0–0.25) nanoparticles, and the effect of Ba2+ doping amount is investigated. For the purpose of analysis, it is found that the perovskite orthorhombic structure of LaFeO3 did not change with increasing doping amounts of Ba2+ ions. The space group is still Pnma (62). The X‐ray diffraction (XRD) spectra show the BaCO3 second phase when x ≥ 0.15. In addition, Fourier‐transform infrared (FT‐IR) confirms the antisymmetric stretching vibration in the Fe–O–Fe bond of the octahedron FeO6. Furthermore, vibrating sample magnetometer measurements show that the amount of Ba2+ dopants can improve the magnetic properties of the sample. The magnetic properties of the samples can also be greatly influenced by the calcination temperature.