Effect of oleic acid content on manganese-zinc ferrite properties

Kaewmanee, Taweesak; Wannapop, Surangkana; Phuruangrat, Anukorn; Thongtem, Titipun; Wiranwetchayan, Orawan; Promnopas, Wonchai; Sansongsiri, Sakon; Thongtem, Somchai

doi:10.1016/j.inoche.2019.03.016

Cited by 21 publications

(12 citation statements)

References 32 publications

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“…Recently, due to their low toxicity, Mn-Zn ferrites become a center of attraction for hyperthermia, electrical, electronic and telecommunication devices [12,13]. Cubic spinel Mn-Zn ferrites belonging to soft Nanomaterials 2021, 11, 2232 2 of 11 ferrites are interesting magnetic materials due to the low core loss, corrosion resistance, high saturation magnetization (M S ), high magnetic permeability and low eddy loss [10,12].…”

Section: Introductionmentioning

confidence: 99%

“…Due to their unique properties, the Mn-Zn ferrites are widely used in many fields such as medicine, environmental depollution, energy storage, gas sensors and photocatalysis [ 8 , 9 , 10 ]. The use of nanoferrites in medicine is possible due to their ability to locally heat up the tissues under an external variable magnetic field as a consequence of thermal losses.…”

Section: Introductionmentioning

confidence: 99%

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Effect of Silica Embedding on the Structure, Morphology and Magnetic Behavior of (Zn0.6Mn0.4Fe2O4)δ/(SiO2)(100−δ) Nanoparticles

et al. 2021

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The effect of SiO2 embedding on the obtaining of single-phase ferrites, as well as on the structure, morphology and magnetic properties of (Zn0.6Mn0.4Fe2O4)δ(SiO2)100−δ (δ = 0–100%) nanoparticles (NPs) synthesized by sol-gel method was assessed. The phase composition and crystallite size were investigated by X-ray diffraction (XRD), the chemical transformations were monitored by Fourier transform infrared (FT-IR) spectroscopy, while the morphology of the NPs by transmission electron microscopy (TEM). The average crystallite size was 5.3–27.0 nm at 400 °C, 13.7–31.1 nm at 700 °C and 33.4–49.1 nm at 1100 °C. The evolution of the saturation magnetization, coercivity and magnetic anisotropy as a function of the crystallite sizes were studied by vibrating sample magnetometry (VSM) technique. As expected, the SiO2 matrix shows diamagnetic behavior accompanied by the accidentally contribution of a small percent of ferromagnetic impurities. The Zn0.6Mn0.4Fe2O4 embedded in SiO2 exhibits superparamagnetic-like behavior, whereas the unembedded Zn0.6Mn0.4Fe2O4 behaves like a high-quality ferrimagnet. The preparation route has a significant effect on the particle sizes, which strongly influences the magnetic behavior of the NPs.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Effect of Silica Embedding on the Structure, Morphology and Magnetic Behavior of (Zn0.6Mn0.4Fe2O4)δ/(SiO2)(100−δ) Nanoparticles

et al. 2021

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“…In addition, the immense capacity to modify ferrites' properties opens the possibility to design materials with novel functionalities. The chemical composition and the crystal structure are the two main aspects that define their characteristics, which can be controlled by an appropriate synthesis and processing route [1][2][3][4] . These materials can be applied in a wide range of technological applications, such as biomedicine 5,6 , electronics 7,8 or energy storage 9,10 .…”

Section: Introductionmentioning

confidence: 99%

Influence of the Synthesis Route in Obtaining the Cubic or Tetragonal Copper Ferrite Phases

Rosa

Segarra

2020

Inorg. Chem.

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In this work, magnetic copper ferrite nanoparticles are synthesized by polymer-assisted sol-gel and co-precipitation methods. The obtained purity and particle size reach values of 96 % and 94 nm, respectively. Evident differences in the crystal structure have been found in the synthesized nanoparticles. A tetragonal structure is formed by the sol-gel method, while the cubic form is obtained when the co-precipitation approach is used. This work provides an experimental evidence of the formation of both phases by using the same reactants and thermal conditions, and only modifying the technical procedure. The formation and stability of each phase is analysed by temperature dependent measurements, and the observed crystal structure differences are used to propose a potential fundamental explanation to our observations based on a difference on the cations' distribution and the Jahn-Teller distortion. Moreover, different copper ferrite purity and particle sizes are found when using each of the methods. The spherical shape of the particles and their tendency to sinter forming micrometric clusters are observed by electron microscopy. Finally, the divergence in magnetization between the samples prepared by each method support our argument about the different cations' distribution and open the door to a wide range of different technological applications for these materials.

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“…They also possess different physical properties from macro and bulk counterparts. Magnetic nanoparticles have high potential in many applications [3] such as anti-bacteria, biomedicine, drug delivery, environmental treatment and data storage [4][5]. Ferrimagnetic oxides, or ferrites, are the materials with exceptional physical properties and high applicability in nanotechnology [6].…”

Section: Introductionmentioning

confidence: 99%

Facile co-precipitation route for magnesium ferrites nanostructure: Synthesis, influence of pH variation on structural properties

et al. 2021

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This report presents the synthesis of magnesium ferrite (MgFe2O4) by coprecipitation method and its subsequent characterization by using X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) techniques. XRD results confirm the formation of single phase cubic spinel structure, having lattice constant from 8.3216 ? to 8.3252 ?. An infrared spectroscopy study confirms the presence of two main absorption bands indicating tetrahedral and octahedral group complexes, within the spinel lattice. We also report hopping length (LA and LB), strain (?) and dislocation density (?D) of ferrite sample.

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Effect of oleic acid content on manganese-zinc ferrite properties

Cited by 21 publications

References 32 publications

Effect of Silica Embedding on the Structure, Morphology and Magnetic Behavior of (Zn0.6Mn0.4Fe2O4)δ/(SiO2)(100−δ) Nanoparticles

Effect of Silica Embedding on the Structure, Morphology and Magnetic Behavior of (Zn0.6Mn0.4Fe2O4)δ/(SiO2)(100−δ) Nanoparticles

Influence of the Synthesis Route in Obtaining the Cubic or Tetragonal Copper Ferrite Phases

Facile co-precipitation route for magnesium ferrites nanostructure: Synthesis, influence of pH variation on structural properties

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