Synthesis of zinc substituted cobalt ferrites via standard double sintering ceramic technique: A study on their structural, magnetic and dielectric properties

Tamanna Mariam; I. N. Esha; M. N. I. Khan; Shamima Choudhury; Kazi Hanium Maria

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자료유형: 학술저널

저자정보: Tamanna Mariam (University of Toledo) I. N. Esha (University of Dhaka) M. N. I. Khan (Atomic Energy Centre) Shamima Choudhury (University of Dhaka) Kazi Hanium Maria (University of Dhaka)

저널정보: 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제21권 제4호

발행연도: 2020.1

수록면: 442 - 449 (8page)

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A series of Co1-xZnxFe2O4 ferrites with x = 0.0, 0.1, 0.2, 0.3, 0.4, 0.5 were synthesized using the standard double sinteringceramic technique. The single-phase cubic spinel structure of the samples was confirmed from the X-ray diffraction patternsand the sharp high intensity peak revealed that the samples are in good crystalline form. The lattice parameters were observedto increase with the increasing of Zn concentration. By increasing the concentration of Zn content, a significant increase in thedensity and a subsequent decrease in porosity and grain size were observed. The dielectric constant (ε′) of the sample is foundto decrease with the increase in frequency. Dielectric relaxation peaks were observed for the frequency dependence of dielectricloss curves. The dc resistivity at different temperatures was studied and all the samples were of semiconductor nature. Thesaturation magnetization was found to be reduced as the Zn substitution was increased and consequently permeabilitydecreases.

#X-ray diffraction #SEM #Permeability #Dielectric #Anisotropy Constant

참고문헌 (37)

참고문헌 신청

P. B. Belavi / 2012 / Mat. Chem. And Phys 132(1):138~144

K. H. Maria / 2013 / Int. Nano Lett 42(3):1~10

Y. Kim / 2003 / Physica B 337(1-4):42~51

S. G. C. Fonseca / 2018 / Mater. Res 21(3):e20170861

A.V. Raut / 2014 / J. Magn. Magn. Mater. 358-359:87~92

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