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Influence of preparation method on structural, optical and magnetic properties of nickel ferrite nanoparticles Cover

Influence of preparation method on structural, optical and magnetic properties of nickel ferrite nanoparticles

Materials Science-Poland
Volume 35 (2017): Issue 1 (March 2017)
By: Ayaz Arif Khan,  M. Javed,  A. Rauf Khan,  Yousaf Iqbal,  Asif Majeed,  Syed Zahid Hussain and  S.K. Durrani  
Open Access
|Jan 2017

Figures & Tables

Scheme of synthesis of NiFe2O4 powders by (a) CSG route, (b) SGC route and (c) the Co-P route.
Scheme of synthesis of NiFe2O4 powders by (a) CSG route, (b) SGC route and (c) the Co-P route.
shows the XRD patterns of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
shows the XRD patterns of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
FT-IR spectra of NiFe2O4 nanoparticles synthesized by CSG, SGC and Co-P methods.
FT-IR spectra of NiFe2O4 nanoparticles synthesized by CSG, SGC and Co-P methods.
UV-Vis spectra of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
UV-Vis spectra of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC and (c) Co-P methods.
Hysteresis curves of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC, (c) Co-P methods and (d) normalized M-H loops at ±1500 Oe.
Hysteresis curves of NiFe2O4 nanoparticles synthesized by (a) CSG, (b) SGC, (c) Co-P methods and (d) normalized M-H loops at ±1500 Oe.
SEM images of NiFe2O4 nanoparticles synthesized by (a) sol-gel, (b) auto-combustion and (c) co-precipitation methods and calcined at 1000 °C.
SEM images of NiFe2O4 nanoparticles synthesized by (a) sol-gel, (b) auto-combustion and (c) co-precipitation methods and calcined at 1000 °C.

FT-IR frequency bands of NiFe2O4_

Synthesis routeIR frequency bands[cm−1]
ν1ν2
CSG580405
SGC592400
Co-P586401

Band gap and crystallite size of NiFe2O4_

Synthesis routeBand gap [eV]Crystallite size [nm]
CSG5.970.73
SGC5.226.71
Co-P5.835.35

Average particle size [nm] of NiFe2O4 nanoparticles determined fromXRD and magnetic properties observed at room temperature by VSM_

Preparation techniqueCrystallite size [nm]Saturation magnetization MS [emu/g]Remanence MR [emu/g]Coercivity HC [Oe]
CSG70.7336.618.25272.3
SGC26.713.66910.857230
Co-P35.3528.5811.341201

XRD analysis and magnetic characterization results of NiFe2O4 samples_

Preparation techniqueAnnealing temperature [°C]Crystallite size [nm]X-ray density [g/cc]Lattice constant [Å]
CSG100070.735.60498.2215
SGC100026.714.89748.3253
Co-P100035.355.39808.5998
DOI: https://doi.org/10.1515/msp-2017-0006 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 58 - 65
Submitted on: Apr 20, 2016
Accepted on: Nov 23, 2016
Published on: Jan 14, 2017
Published by: Wroclaw University of Science and Technology
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year
Keywords:
NFO magnetic properties,
NFO structural properties,
NFO morphology
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2017 Ayaz Arif Khan, M. Javed, A. Rauf Khan, Yousaf Iqbal, Asif Majeed, Syed Zahid Hussain, S.K. Durrani, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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