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NiTiO3/MnFe2O4 ferrite composites: synthesis, optical, ferroelectric and magnetic properties Cover

NiTiO3/MnFe2O4 ferrite composites: synthesis, optical, ferroelectric and magnetic properties

Materials Science-Poland
Volume 40 (2022): Issue 4 (December 2022)
By:
Open Access
|Mar 2023

Figures & Tables

Fig. 1

Schematic diagram of the sol-gel method to synthesized (1 − x)NiTiO3-xMnFe2O4 composites
Schematic diagram of the sol-gel method to synthesized (1 − x)NiTiO3-xMnFe2O4 composites

Fig. 2

XRD pattern of a) (1 − x)NiTiO3-xMnFe2O4 composites and b-d) Rietveld refinement analysis
XRD pattern of a) (1 − x)NiTiO3-xMnFe2O4 composites and b-d) Rietveld refinement analysis

Fig. 3

Raman spectra of a) NTO, b) NTO-5MFO and c) NTO-10MFO composites
Raman spectra of a) NTO, b) NTO-5MFO and c) NTO-10MFO composites

Fig. 4

SEM images of a) NTO, b) NTO-5MFO and c) NTO-10MFO composites
SEM images of a) NTO, b) NTO-5MFO and c) NTO-10MFO composites

Fig. 5

a) Optical absorbance spectra and b) plotting of (αhv)2 versus photon energy of (1 − x)NiTiO3-xMnFe2O4 composites
a) Optical absorbance spectra and b) plotting of (αhv)2 versus photon energy of (1 − x)NiTiO3-xMnFe2O4 composites

Fig. 6

Ferroelectric loops of a) NTO, b) NTO-5MFO, c) NTO-10MFO composites and d) dependence of Ps and Pr of composites on MFO content
Ferroelectric loops of a) NTO, b) NTO-5MFO, c) NTO-10MFO composites and d) dependence of Ps and Pr of composites on MFO content

Fig. 7

Leakage current density vs. electric field of NiTiO3 and (1 − x)NiTiO3-xMnFe2O4 composites
Leakage current density vs. electric field of NiTiO3 and (1 − x)NiTiO3-xMnFe2O4 composites

Fig. 8

a) Magnetic hysteresis loops of the (1 − x)NiTiO3-xMnFe2O4 nanocomposite samples measured at room temperature and b) dependence of Ms and Mr of composites on MFO content
a) Magnetic hysteresis loops of the (1 − x)NiTiO3-xMnFe2O4 nanocomposite samples measured at room temperature and b) dependence of Ms and Mr of composites on MFO content

Magnetic parameters of (1 − x)NiTiO3-xMnFe2O4 composites

SamplesMagnetic Saturation (emu/g)Remanent magnetization (emu/g)Coercivity (Oe)Remanent Ratio Mr/Ms
00.0050.0001700.02
x = 5%0.6910.1741350.252
x = 10%1.2830.4171500.325

Lattice parameters and crystalline size of (1 − x)NiTiO3-xMnFe2O4 composites

SampleLattice parametersUnit cell volume (Å3)Crystalline size (nm)Rwp %
NTOMFONTO phaseMFO phaseNTO phaseMFO phase
a (Å)c (Å)a (Å)
NTO5.028413.7912–301.98–35–17.6
NTO-5MFO5.028513.79168.3373302.00579.53372618.7
NTO-10MFO5.034313.80748.3341303.04578.86382718.3
DOI: https://doi.org/10.2478/msp-2022-0045 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331
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Language: English
Page range: 43 - 53
Submitted on: Dec 3, 2022
Accepted on: Jan 31, 2023
Published on: Mar 24, 2023
Published by: Sciendo
In partnership with: Paradigm Publishing Services
Publication frequency: 4 times per year
Keywords:
Sol-gel processes,
NiTiO,
MnFeO,
composites,
ferroelectric properties,
magnetic properties
Related subjects:
Materials sciences,
Materials sciences, other,
Nanomaterials,
Functional and smart materials,
Materials characterization and properties

© 2023 Dang Thi Thom, Nguyen Hoang Tuan, Tran Vu Diem Ngoc, Nguyen Tuyet Nga, Nguyen Thanh Phuong, Dang Duc Dung, Do Thi Kim Thoa, Luong Huu Bac, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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