Low temperature fired NiCuZn ferrite

Hsu, Jung−Tsung; Ko, Wen-Song; Shen, Hon-Dar; Chen, Chi-Jen

doi:10.1109/20.334251

Cited by 81 publications

(6 citation statements)

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“…Hsu et al [115] reported Bi 2 O 3 and lead glass as sintering aids for Ni-Cu-Zn ferrite. Results showed that both additives formed liquid phases in the grain boundaries during the sintering process to enhance the densification.…”

Section: Use Of Sintering Aids and Additivesmentioning

confidence: 99%

Ni-Cu-Zn Ferrite Research: A Brief Review

et al. 2013

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The temperature at which the ferrite is sintered critically depends on the chemical composition. The electromagnetic properties are dependent on the densification and microstructure. Substitutions and addition of sintering aids is an attractive approach to enhance the electromagnetic properties. Various compositions in the system Ni1-x-yCuxZnyFe2O4 were investigated. Cu is used to decrease the sintering temperature. However, Cu decreases the resistivity, which is not desirable for its high frequency applications. So, optimization of Cu content is necessary. Different ranges of electromagnetic properties have been reported with various Zn concentrations. Optimization of Zn concentration with respect to Ni and Cu is essential to achieve desirable electromagnetic properties. Influence of rare earths has also been reported. The investigations showed an improved densification in Ni-Zn and increased permeability in Cu-Zn ferrite by Sm substitution. La substitutions showed an improved resistivity in Ni-Zn ferrites. Similarly, these substitutions may improve the electromagnetic properties in Ni-Cu-Zn ferrites. V2O5, MoO3 and Bi2O3 were reported to be the most widely used sintering additives. Bi2O3-WO3 and V2O5-MoO3 mixed additives were better than the individual additives in Ni-Cu-Zn ferrite, respectively. Further research is needed on the mixed sintering additivesKeywords: Additives; Ferrite preparation; Ni-Cu-Zn ferrite; Rare Earth; Sintering aids.© 2013 JSR Publications. ISSN: 2070-0237 (Print); 2070-0245 (Online). All rights reserved.doi: http://dx.doi.org/10.3329/jsr.v5i2.12434 J. Sci. Res. 5 (2), 215-233 (2013)

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Section: Use Of Sintering Aids and Additivesmentioning

confidence: 99%

Ni-Cu-Zn Ferrite Research: A Brief Review

et al. 2013

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“…Usually decomposition starts to occur at about 100 0 C with loss of water of crystallization, combustion, reduction of metal oxides and physical transition like vaporization and evaporation. Ferrites usually have higher melt temperature round 900 0 C [11][12][13]. For the composition of Co-Cr Fe 2 O 4 , in the first region, starting from room temperature up to 325 °C, the weight loss could be attributed to the elimination of adsorbed water.…”

Section: Thermogravimetric Analysis (Tga)mentioning

confidence: 99%

Structural, Thermal and Chemical Properties of Co-Cr Fe2O4 Nanocomposite Synthesized by Combustion Method

Harihar¹,

Basavaraj²,

Guruswamy³

et al. 2019

Madridge J Nanotechnol Nanosci

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Co-Cr Fe 2 O 4 Nanocomposite were synthesized by solution combustion method and synthesized powder were characterized by X-Ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR) and Thermal Properties (DSC). The XRD results confirm the cubic spinel structure of the ferrites and crystalline size (D) found the range of 40-50nm. The FTIR measurement between 400 -4000 cm -1 confirm the absorption bands in the Spectrum. Further, Thermogravimetric analysis and differential scanning calorimetry were used to investigate the phase transition and melting point of the prepared samples respectively. Agglomeration of particles was observed in the scanning electron microscopy (SEM) images. The results underline the effect of preparation conditions on the morphology, crystallite size, and thermal properties of nano ferrites.

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“…CoFe 2 O 4 , NiFe 2 O 4 , (Mg, Mn)Fe 2 O 4 ferrites are important components for the digital products such as cellular phones, video cameras, note book computers and floppy drives, thermistors[38,39] etc.Ni-Zn-CuFe 2 O 4 ferrites are explored in production of multilayer type chips, mainly because these oxides can be sintered at relatively low temperature. Due to lower densification temperatures compared to Ni-Zn ferrite, Ni-Zn-Cu ferrites are promising candidates for use in producing multilayer type chip inductors[40][41][42].…”

mentioning

confidence: 99%

Soft Ferrite: A Brief Review on Structural, Magnetic Behavior of Nanosize Spinel Ferrites

Tayade

Sarkar

Rewatkar

et al. 2018

Magnetic Oxides and Composites

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In the present work, we have focused on crystal structure, magnetic properties, M-H curve, superparamagnetic behavior and magneto-crystalline anisotropy of soft ferrimagnetic oxides having spinel structure. Due to their unique magnetic properties such as high Curie temperature and high saturation magnetization, spinel ferrites offer opportunities for applications in different fields such as hyperthermia, targeted drug delivery, magnetic resonance, microstrip antenna. Various applications of these ferrites have been discussed and explored due to possibility nano-size material synthesis.

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Low temperature fired NiCuZn ferrite

Cited by 81 publications

References 1 publication

Ni-Cu-Zn Ferrite Research: A Brief Review

Ni-Cu-Zn Ferrite Research: A Brief Review

Structural, Thermal and Chemical Properties of Co-Cr Fe2O4 Nanocomposite Synthesized by Combustion Method

Soft Ferrite: A Brief Review on Structural, Magnetic Behavior of Nanosize Spinel Ferrites

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