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Iranian Journal of Materials Science and Engineering، جلد ۱۹، شماره ۱، صفحات ۱-۱۰
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عنوان انگلیسی The Structural, Electric and Dielectric Properties of Ni0.7Cd0.3NdxFe2-xO4 (0≤x≤0.03) Ferrite Prepared via Oxalate Co-Precipitation Route
چکیده انگلیسی مقاله In present work Ni0.7Cd0.3NdxFe2-xO4 ferrite samples (0≤x≤0.03) were prepared by using oxalate co-precipitation technique. The different characterization techniques were achieved using X-ray diffraction (XRD), FT-infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), DC electrical resistivity and dielectric measurements. The crystallographic parameters such as crystal structure, crystallite size, lattice constant, unit cell volume and theoretical density have been systematically analysed. The XRD and FT-IR measurements confirmed the formation of single phase spinel ferrite structure. The cation distribution among the octahedral and tetrahedral sites has been proposed on the basis of analysis of XRD patterns by employing Rietveld refinement analysis. The samples exist as a mixed type spinel with cubic structure. The DC electrical resistivity confirms the semiconducting behaviour and the Curie temperature decreases with increase in Nd3+ content. The dielectric constant and loss tangent decreases with frequency and higher frequencies remain constant, which shows the usual dielectric dispersion due to space charge polarization. The AC conductivity reveals that the small type polarons responsible for conduction process.
کلیدواژه‌های انگلیسی مقاله Co-precipitation,Ni-Cd Ferrite,XRD,SEM,DC resistivity,Dielectric properties.
نویسندگان مقاله | Surekha S. Jadhav
Department of Physics, Annasaheb Dange College of Engineering & Technology, Ashta-416 301, India


| Amit A. Bagade
Sharad Institute of Technology College of Engineering Yadrav, Ichalkaranji- 416121, India


| Tukaram J. Shinde
Department of Physics, KRP Kanya Mahavidylaya, Islampur- 415409, India


| Kesu Y. Rajpure
Electrochemical Materials Laboratory, Department of Physics, Shivaji University, Kolhapur-416 004, India
نشانی اینترنتی http://ijmse.iust.ac.ir/browse.php?a_code=A-10-3834-1&slc_lang=en&sid=1
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کد مقاله (doi)
زبان مقاله منتشر شده en
موضوعات مقاله منتشر شده Ceramics
نوع مقاله منتشر شده Research Paper
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