Microstructural, Morphological, and Magnetic Features of the Triple Perovskite Oxide La3Mn2FeO9

IF 0.9 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER
Raghad K. Aljurays, Aicha Loucif
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引用次数: 0

Abstract

Triple perovskite La3Mn2FeO9 powder was synthesized via the sol gel method. The microstructural, morphological and magnetic features of the prepared perovskite sample were examined by means of X‑ray diffraction (XRD), filed-emission scanning electron microscopy (FE-SEM), and vibrating sample magnetometry (VSM). The XRD pattern was refined using the MAUD software based on the Rietveld program. The results confirmed that the sample crystallized in a trigonal structure, with a crystallite size measuring approximately 257 ± 5 nm and a microstrain of about 0.16%. The FE-SEM image revealed spherical like-particles with an average grain size in the vicinity of 514 nm. The VSM curve revealed that the prepared La3Mn2FeO9 powder exhibited a ferromagnetic behavior, and subsequent fitting using the law of approach to saturation revealed a saturation magnetization of 1.156438 ± 0.00384 emu/g.

Abstract Image

Abstract Image

三重包晶氧化物 La3Mn2FeO9 的微结构、形态和磁性特征
摘要 通过溶胶凝胶法合成了三重包晶La3Mn2FeO9粉末。通过 X 射线衍射 (XRD)、锉刀发射扫描电子显微镜 (FE-SEM) 和振动样品磁力计 (VSM) 对制备的透辉石样品的微观结构、形态和磁性特征进行了研究。X 射线衍射图样由基于里特维尔德程序的 MAUD 软件精制而成。结果证实,样品结晶为三方结构,晶粒大小约为 257 ± 5 nm,微应变约为 0.16%。FE-SEM 图像显示出类似球形的颗粒,平均晶粒大小在 514 nm 附近。VSM 曲线显示制备的 La3Mn2FeO9 粉末具有铁磁性,随后使用接近饱和定律进行拟合,发现饱和磁化率为 1.156438 ± 0.00384 emu/g。
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来源期刊
Physics of the Solid State
Physics of the Solid State 物理-物理:凝聚态物理
CiteScore
1.70
自引率
0.00%
发文量
60
审稿时长
2-4 weeks
期刊介绍: Presents the latest results from Russia’s leading researchers in condensed matter physics at the Russian Academy of Sciences and other prestigious institutions. Covers all areas of solid state physics including solid state optics, solid state acoustics, electronic and vibrational spectra, phase transitions, ferroelectricity, magnetism, and superconductivity. Also presents review papers on the most important problems in solid state physics.
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