RIETVELD ANALYSIS OF XRD PATTERNS OF DIFFERENT SIZES OF NANOCRYSTALLINE COBALT FERRITE

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KUMAR LAWRENCE; KUMAR PAWAN; NARAYAN AMARENDRA; KAR MANORANJAN

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Paper Information

Journal: INTERNATIONAL NANO LETTERS (INL) Year:2013 | Volume:3 | Issue:3 Page(s): 1-12

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Title

RIETVELD ANALYSIS OF XRD PATTERNS OF DIFFERENT SIZES OF NANOCRYSTALLINE COBALT FERRITE

Author(s)

KUMAR LAWRENCE | KUMAR PAWAN | NARAYAN AMARENDRA | KAR MANORANJAN | Issue Writer Certificate

Keywords

XRD

RIETVELD

SPINEL

CATION DISTRIBUTION

Abstract

Nanocrystalline cobalt ferrite powder has been synthesised by citrate precursor and co-precipitation methods. Structural characterization of the samples has been carried out using powder X-ray diffraction, Fourier transform infrared spectroscopy (FT-IR) and field emission scanning electron microscope (FE-SEM). Distribution of cations among the two interstitial sites (tetrahedral and octahedral sites) has been estimated by analysing the powder X-ray diffraction patterns by employing RIETVELD refinement technique, and the results reveal the existence of samples as a mixed type SPINEL with cubic structure. It is observed that the distribution of cations and structural parameters are strongly dependent on synthesis method and annealing temperature. The vibrational modes of the octahedral and tetrahedral metal complex in the sample have been examined using FT-IR in the wave number range of 390 to 750 cm-1, and it shows an absorption band within this range, which confirms the SPINEL structure of the sample. The existence of constituents in the sample, i.e., Co, Fe and O has been authenticated using energy dispersive spectrum with the help of a FE-SEM.

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APA: Copy

KUMAR, LAWRENCE, KUMAR, PAWAN, NARAYAN, AMARENDRA, & KAR, MANORANJAN. (2013). RIETVELD ANALYSIS OF XRD PATTERNS OF DIFFERENT SIZES OF NANOCRYSTALLINE COBALT FERRITE. INTERNATIONAL NANO LETTERS (INL), 3(3), 1-12. SID. https://sid.ir/paper/321351/en

Vancouver: Copy

KUMAR LAWRENCE, KUMAR PAWAN, NARAYAN AMARENDRA, KAR MANORANJAN. RIETVELD ANALYSIS OF XRD PATTERNS OF DIFFERENT SIZES OF NANOCRYSTALLINE COBALT FERRITE. INTERNATIONAL NANO LETTERS (INL)[Internet]. 2013;3(3):1-12. Available from: https://sid.ir/paper/321351/en

IEEE: Copy

LAWRENCE KUMAR, PAWAN KUMAR, AMARENDRA NARAYAN, and MANORANJAN KAR, “RIETVELD ANALYSIS OF XRD PATTERNS OF DIFFERENT SIZES OF NANOCRYSTALLINE COBALT FERRITE,” INTERNATIONAL NANO LETTERS (INL), vol. 3, no. 3, pp. 1–12, 2013, [Online]. Available: https://sid.ir/paper/321351/en

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