Synthesis and characterization of NiFe2O4/CuO nanocomposites: Structural and magnetic properties analysis

IF 2.218 Q2 Chemistry Chemical Data Collections Pub Date : 2023-10-01 DOI:10.1016/j.cdc.2023.101078

Zena Mohammed Ali Abbas , Wafaa A. Shatti , Mahmood M. Kareem , Ziad T. Khodair

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Abstract

Copper oxide nanoparticles (CuONPs) were synthesized through the precipitation method, while nickel ferrite nanoparticles (NiFe₂O₄NPs) were prepared using the co-precipitation method involving mixtures of NiCl2 and FeCl3. Additionally, nanocomposites of (NiFe2O4/CuO) with crystalline phases were obtained using the ceramic method. Various characterization techniques including XRD, EDS, SEM, FE-SEM, and VSM were employed to analyze and examine the properties of the powders. XRD was utilized to assess the purity of the phases, investigate the structural formation, and determine the sizes of the crystallites for all the particles. The XRD analysis provided insights into the crystal structures of the materials under investigation. It revealed that CuO exhibited a monoclinic structure, while nickel ferrite and the nanocomposites displayed a cubic spinel structure. A (NiFe₂O₄/CuO) nanocomposite was created using ceramic techniques and sintered at 600 °C. FE-SEM analysis showed round particles and clear grain boundaries. The preparation process involved various factors influencing particle growth rate and final microstructure. EDS pattern confirmed absence of impurities; surface layers displayed significant Ni, Fe, Cu, and O components. Magnetic measurements using VSM confirmed the ferromagnetic nature of both NiFe₂O₄ and NiFe2O₄/CuO. The study further investigated the impact of CuO nanoparticles and their concentration on the structure and magnetic properties of the resulting nanocomposites.

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NiFe2O4/CuO纳米复合材料的合成与表征：结构与磁性能分析

采用沉淀法合成了氧化铜纳米粒子(CuONPs)，采用NiCl2和FeCl3混合共沉淀法制备了铁酸镍纳米粒子(NiFe2O4NPs)。此外，采用陶瓷法制备了具有晶相的(NiFe2O4/CuO)纳米复合材料。采用XRD、EDS、SEM、FE-SEM、VSM等表征技术对粉体的性能进行了分析和表征。利用x射线衍射(XRD)对各颗粒进行了相纯度评价、结构形成研究和晶粒尺寸测定。XRD分析提供了对所研究材料晶体结构的深入了解。结果表明，氧化铜为单斜晶型结构，而铁素体镍和纳米复合材料为立方尖晶石晶型结构。采用陶瓷技术制备了NiFe2O4/CuO纳米复合材料，并在600℃下烧结。FE-SEM分析显示颗粒圆润，晶界清晰。在制备过程中，影响颗粒生长速度和最终微观结构的因素很多。能谱图证实无杂质;表层显示了显著的Ni、Fe、Cu和O成分。利用VSM进行的磁性测量证实了NiFe2O4和NiFe2O4/CuO的铁磁性。进一步研究了CuO纳米颗粒及其浓度对制备的纳米复合材料结构和磁性能的影响。

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来源期刊

Chemical Data Collections Chemistry-Chemistry (all)

CiteScore

6.10

自引率

0.00%

发文量

169

审稿时长

24 days

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