Magnetic Oxides and Composites
By: edited by Rajshree B. Jotania, Sami H. Mahmood
Series: Materials Research Foundations Ser -- v. 31; Materials Research Foundations Ser
Publisher: Materials Research Forum LLC
Published: 2018
Place of publication: Millersville, PA
Language: eng
Number of pages: 274
ISBN-13: 9781945291692
Subjects: Magnetic materials; Magnetics; Spintronics; Matériaux magnétiques; Substances magnétiques; Électronique de spin; TECHNOLOGY & ENGINEERING; Mechanical
Description: The book focuses on the relevant basic concepts of Magnetic oxides, as well as on synthesis routes and important applications of spinel ferrites, hexaferrites and magnetic oxide nanomaterials. Keywords: Magnetic Oxides, Spinel Ferrites, Hexaferrites, Magnetoelectric Ceramic Composites, Soft Ferrites, Nano-Size Spinel Ferrites, Magnetic Nanoparticles, Device Miniaturization.
Table of contents: title: Cover; front_matter; Table of Contents; Preface; 1; 1. Introduction; 1.1 Magnetoelectric materials; 1.2 Magnetoelectric composites; 1.3 Phase connectivity in magnetoelectric composites; 1.4 Domains, magnetostriction, ferroelectricity and piezoelectricity; 2. Hexagonal ferrites and barium titanate; 2.1 Hexagonal M-ferrites, BaFe12O19 and SrFe12O19; 2.2 Barium titanate, BaTiO3; 3. Materials and composites synthesis; 3.1 Solid state reaction route for hexaferrites; 3.2 Coprecipitation synthesis of hexaferrites; 3.3 Sol-gel synthesis of hexaferrites; 3.4 Citrates synthesis of hexaferrites.; title: 880-01; title: 3.5 Composite synthesis3.6 Characterisation and analysis of sintered hexagonal M-ferrites and composites; 4. Results and discussion; 4.1 XRD analysis of M-hexaferrites prepared by diffrent routes; 4.2 XRD analysis of sintered barium/strontium hexaferrite-barium titanate composites; 4.3 Density of composites; 4.4 SEM images of m-ferrites-barium titanate composites; 4.5 Vibrating sample magnetometry (VSM) measurements; 5. Conclusions; Acknowledgements; References; 2; 1. Introduction; 2. Synthesis techniques for the preparation of M-type hexaferrites; 2.1 Conventional ceramic method.; title: 2.2 Coprecipitation technique2.3 Sol-gel method; 2.4 Auto-combustion method; 2.5 Citrate precursor method; 2.6 Hydrothermal synthesis; 2.7 Molten salt method; 2.8 Glass crystallization method; 2.9 Spray pyrolysis method; 2.10 Further developments in synthesis routes; 3. Effects of cationic substitution; 3.1 Fe3+ substitution by trivalent metal ions; 3.2 Fe3+ substitution by divalent-tetravalent metal ion combinations; 4. Co-Ti substituted SrM ferrite; 4.1 Experimental procedures; 4.2 XRD analysis; 4.3 SEM imaging; 4.4 Magnetism; 4.5 Inter-particle interactions; 5. Conclusions; References; 3.; title: 1. Introduction2. Experimental procedure; 3. Results and discussion; 3.1 Structure charcterization; 3.2 Magnetic Properties; 4. Conclusions; References; 4; 1. Introduction; 2. Experimental procedure; 3. Results and analysis; 3.1 Structural results; 3.2 SEM measurements; 3.3 Magnetic measurements; Conclusions; Acknowledgements; References; 5; 1. Introduction; 2. Experimental procedure; 3. Results and discussion; 3.1 XRD analysis; 3.2 SEM micrographs; 3.3 Energy dispersive spectroscopic analysis; 3.4 DC electrical resistivity studies of [Li0.5Fe0.5]1-xCox Fe2O4 nano ferrites.; title: 3.4.1 Effect of temperature on dc conductivity3.4.2 Effect of cobalt substitution on dc resistivity of [Li0.5Fe0.5]1-xCox Fe2O4; 3.5 Dielectric studies of [Li0.5Fe0.5]1-x Cox Fe2O4 nano ferrites; 3.5.1 Effect of temperature on dielectric constant of Li-Co ferrite; 3.5.2 Effect of temperature on dielectric loss tangent of Li-Co ferrites; 3.5.3 Frequency dependence of dielectric constant of Li-Co nano ferrites at different temperature; 3.5.4 Dependence of dielectric constant of Li-Co nano ferrites on cobalt composition.