聚乙烯吡咯烷酮辅助溶剂热合成Fe<SUB>3</SUB> 0 <SUB>4</SUB>发光机制

IF 0.6 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Magnetics Pub Date : 2023-09-30 DOI:10.4283/jmag.2023.28.3.234
Lamouri Rachida, Ki Hyeon Kim
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引用次数: 0

摘要

本文报道了不同PVP浓度(5mg /ml、10mg /ml和25mg /ml)下,聚乙烯吡罗烷酮(PVP)浓度对溶剂热合成FeSUB3/ subbosub4 /SUB纳米簇的影响。采用不同的技术分析了PVP对结构、显微组织和磁性能的影响。XRD图谱显示,所有样品均呈立方结构结晶,平均晶粒尺寸小于10 nm。PVP浓度较低时,纳米颗粒呈均匀分散,而PVP浓度较高时,纳米颗粒聚集形成均匀的纳米团簇,PVP浓度为25 mg/ml时,纳米颗粒平均大小约为167 nm。制备的FeSUB3/ subbosub4 /SUB纳米颗粒在PVP浓度为10 mg/ml时,其饱和磁化强度约为54.75 emu/g。关键词:FeSUB3/SUBOSUB4/SUB纳米团簇,溶剂热合成,PVP浓度
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Polyvinylpyrrolidone-assisted Solvothermal Synthesis of Fe<SUB>3</SUB>O<SUB>4</SUB> Nanoclusters
We report in this work the effects of the Polyvinylpyrrolidone (PVP) concentration on the solvothermal synthesis of FeSUB3/SUBOSUB4/SUB nanocluster with different PVP concentrations such as 5 mg/ml, 10 mg/ml, and 25 mg/ml. The effect of the PVP on the structural, microstructural, and magnetic properties was analyzed using different techniques. XRD patterns showed the crystallization of all samples in the cubic structure with an average crystallite size smaller than 10 nm. Homogeneous dispersion of the nanoparticles was shown for small concentrations of PVP, while the aggregation of the nanoparticles was observed for higher concentrations leading to the formation of uniform nanoclusters with an average size around 167 nm for a PVP concentration of 25 mg/ml. A soft ferromagnetic behavior was found for all prepared samples with a saturation magnetization of about 54.75 emu/g obtained for FeSUB3/SUBOSUB4/SUB nanoparticles with 10 mg/ml of PVP. Keywords : FeSUB3/SUBOSUB4/SUB nanocluster, solvothermal synthesis, PVP concentration
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来源期刊
Journal of Magnetics
Journal of Magnetics MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
CiteScore
1.00
自引率
20.00%
发文量
44
审稿时长
2.3 months
期刊介绍: The JOURNAL OF MAGNETICS provides a forum for the discussion of original papers covering the magnetic theory, magnetic materials and their properties, magnetic recording materials and technology, spin electronics, and measurements and applications. The journal covers research papers, review letters, and notes.
期刊最新文献
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