Characterization of Ceramic-Ferrite Magneto-Electric Composites

Name: Characterization of Ceramic-Ferrite Magneto-Electric Composites
Brand: Materials Research Forum LLC
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R. Saravanan(Editor)

Materials Research Forum LLC (Publisher)

Published on 5. January 2023

138 pages

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978-1-64490-219-6 (ISBN)

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Content

Intro
Table of Contents
Preface
Introduction
1.1 Objectives
1.2 Composites
1.3 Magnetoelectric ceramic composites
1.3.1 Ferrites
1.3.2 Ferroelectric materials
1.4 Importance of magnetoelectric ceramic composites
1.5 Structure of BaTiO3
1.5.1 Properties and applications
1.6 Structure of ferrites (XFe2O4
X = Ni, Zn, Co, Mg)
1.6.1 Properties and applications
1.7 Solid-state reaction technique
1.7.1 Mixing/Grinding
1.7.2 Pressing/Pelletizing
1.7.3 Heat treatment (Sintering)
1.8 Preparation of Magneto-electric ceramic composites.
1.8.1 Preparation of (1-x)BaTiO3 + xNiFe2O4
1.8.2 Preparation of (1-x)BaTiO3 + xZnFe2O4
1.8.3 Preparation of (1-x)BaTiO3 + xCoFe2O4
1.8.4 Preparation of (1-x)BaTiO3 + xMgFe2O4
1.9 Characterization methods and the instruments used
1.9.1 Powder X-ray diffraction
1.9.2 UV-Visible Spectroscopy
1.9.3 Scanning Electron Microscope (SEM)
1.9.4 Energy-dispersive X-ray Spectroscopy
1.9.5 Electrical characterizations
1.9.5.1 Dielectric characterizations
1.9.5.2 P-E hysteresis Loop tracer
1.9.6 M-H hysteresis (Magnetic characterization)
1.10 Methodologies used
1.10.1 Rietveld refinement: Powder XRD refinement
1.10.1.1 Refinement procedure
1.10.1.2 Peak shape
1.10.1.3 Peak width
1.10.1.4 Preferred orientation
1.10.1.5 Background function
1.10.1.6 XRD powder profile refinement using JANA 2006
1.10.2 Maximum entropy method: Charge density analysis
1.10.2.1 Electron density
1.10.2.2 Structure factor
1.10.2.3 Formalism of maximum entropy method (MEM)
1.10.2.4 Principle of MEM
1.10.2.5 MEM methodology
1.10.3 Tauc Plot: Bandgap from UV-Visible spectrum
1.10.4 Grain size: GRAIN software
References
Results
2.1 Introduction
2.2 Structural characterization: Powder X-ray diffraction
2.2.1 (1-x)BaTiO3 + xNiFe2O4
2.2.2 (1-x)BaTiO3 + xZnFe2O4
2.2.3 (1-x)BaTiO3 + xCoFe2O4
2.2.4 (1-x)BaTiO3 + xMgFe2O4
2.3 Morphological studies: SEM images
2.3.1 (1-x)BaTiO3 + xNiFe2O4
2.3.2 (1-x)BaTiO3 + xZnFe2O4
2.3.3 (1-x)BaTiO3 + xCoFe2O4
2.3.4 (1-x)BaTiO3 + xMgFe2O4
2.4 Elemental analysis - EDS
2.4.1 (1-x)BaTiO3 + xNiFe2O4
2.4.2 (1-x)BaTiO3 + xZnFe2O4
2.4.3 (1-x)BaTiO3 + xCoFe2O4
2.4.4 (1-x)BaTiO3 + xMgFe2O4
2.5 Optical characterization - UV -visible absorption spectra
2.5.1 (1-x)BaTiO3 + xNiFe2O4
2.5.2 (1-x)BaTiO3 + xZnFe2O4
2.5.3 (1-x)BaTiO3 + xCoFe2O4
2.5.4 (1-x)BaTiO3 + xMgFe2O4
2.6 Electrical characterization - Dielectric and P-E studies.
2.6.1 (1-x)BaTiO3 + xNiFe2O4
2.6.2 (1-x)BaTiO3 + xZnFe2O4
2.6.3 (1-x)BaTiO3 + xCoFe2O4
2.6.4 (1-x)BaTiO3 + xMgFe2O4
2.7 Magnetic characterization - M-H studies
2.7.1 (1-x)BaTiO3 + xNiFe2O4
2.7.2 (1-x)BaTiO3 + xZnFe2O4
2.7.3 (1-x)BaTiO3 + xCoFe2O4
2.7.4 (1-x)BaTiO3 + xMgFe2O4
2.8 MEM analysis: Charge density distribution
2.8.1 (1-x)BaTiO3 + xNiFe2O4
2.8.2 (1-x)BaTiO3 + xZnFe2O4
2.8.3 (1-x)BaTiO3 + xCoFe2O4
2.8.4 (1-x)BaTiO3 + xMgFe2O4
Analysis of the Results
3.1 Introduction
3.2 Sample preparation
3.3 Structural analysis of the magneto-electric ceramic composites
3.3.1 (1-x)BaTiO3 + xNiFe2O4 (x = 0.2, 0.4, 0.6 and 0.8)
3.3.2 (1-x)BaTiO3 + xZnFe2O4 (x = 0.2, 0.4, 0.6 and 0.8)
3.3.3 (1-x)BaTiO3 + xCoFe2O4 (x = 0.2, 0.4, 0.6 and 0.8)
3.3.4 (1-x)BaTiO3 + xMgFe2O4 (x = 0, 0.2, 0.4, 1)
3.4 Morphological analysis of the composites
3.4.1 (1-x)BaTiO3 + xNiFe2O4
3.4.2 (1-x)BaTiO3 + xZnFe2O4
3.4.3 (1-x)BaTiO3 + xCoFe2O4
3.4.4 (1-x)BaTiO3 + xMgFe2O4
3.5 Elemental composition analysis
3.5.1 (1-x)BaTiO3 + xNiFe2O4
3.5.2 (1-x)BaTiO3 + xZnFe2O4
3.5.3 (1-x)BaTiO3 + xCoFe2O4
3.5.4 (1-x)BaTiO3 + xMgFe2O4
3.6 Optical studies: UV-Vis absorption Spectroscopy
3.6.1 (1-x)BaTiO3 + xNiFe2O4
3.6.2 (1-x)BaTiO3 + xZnFe2O4
3.6.3 (1-x)BaTiO3 + xCoFe2O4
3.6.4 (1-x)BaTiO3 + xMgFe2O4
3.7 Electrical studies: Dielectric & PE characterization
3.7.1 (1-x)BaTiO3 + xNiFe2O4
3.7.2 (1-x)BaTiO3 + xZnFe2O4
3.7.3 (1-x)BaTiO3 + xCoFe2O4
3.7.4 (1-x)BaTiO3 + xMgFe2O4
3.8 Magnetic studies: M-H characterization
3.8.1 (1-x)BaTiO3 + xNiFe2O4
3.8.2 (1-x)BaTiO3 + xZnFe2O4
3.8.3 (1-x)BaTiO3 + xCoFe2O4
3.8.4 (1-x)BaTiO3 + xMgFe2O4
3.9 Charge density analysis of the magneto-electric composites
3.9.1 (1-x)BaTiO3 + xNiFe2O4
3.9.1.1 Charge density analysis of BaTiO3
3.9.1.2 Charge density analysis of NiFe2O4
3.9.2 (1-x)BaTiO3 + xZnFe2O4
3.9.2.1 Charge density studies of BaTiO3
3.9.2.2 Charge density studies of ZnFe2O4
3.9.3 (1-x)BaTiO3 + xCoFe2O4
3.9.3.1 Charge density studies of BaTiO3
3.9.3.2 Charge density studies of CoFe2O4
3.9.4 (1-x)BaTiO3 + xMgFe2O4
3.9.4.1 Charge density studies of BaTiO3
3.9.4.2 Charge density studies of MgFe2O4
References
Conclusion
Conclusion
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Characterization of Ceramic-Ferrite Magneto-Electric Composites

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