CONDUCTION MECHANISM IN FERRITES PDF Download
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Author: Dr. Vidya Jaisingrao Deshmukh
Publisher: Lulu.com
ISBN: 1794722661
Category : Education
Languages : en
Pages : 70
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Book Description
Ceramic-like ferromagnetic materials, which are mainly composed of ferric oxide, α-Fe2O3 are called "ferrites". Although the saturation magnetization of ferrites is less than half that of ferromagnetic alloys, they have advantages Applicability at higher frequency Lower price Greater heat resistance Higher corrosion resistance.The practical applications of ferrites have been expanded by completely utilizing these advantages.Magnetite, Fe3O4, which is a natural mineral, is a genuine ferrite, and it is said that ancient people had recognized its magnetism and it was used as a mariner's compass in China for more than two millennia ago. The importance of ferrites was brought to public attention after 1950's because new applications such as radio, television, microwave devices, carrier telephony and computer-circuitry were rapidly expanding. At the same time, physicists, and electronic engineers throughout world were interested in the magnetism and high frequency application of ferrites.
Author: Dr. Vidya Jaisingrao Deshmukh
Publisher: Lulu.com
ISBN: 1794722661
Category : Education
Languages : en
Pages : 70
Get Book Here
Book Description
Ceramic-like ferromagnetic materials, which are mainly composed of ferric oxide, α-Fe2O3 are called "ferrites". Although the saturation magnetization of ferrites is less than half that of ferromagnetic alloys, they have advantages Applicability at higher frequency Lower price Greater heat resistance Higher corrosion resistance.The practical applications of ferrites have been expanded by completely utilizing these advantages.Magnetite, Fe3O4, which is a natural mineral, is a genuine ferrite, and it is said that ancient people had recognized its magnetism and it was used as a mariner's compass in China for more than two millennia ago. The importance of ferrites was brought to public attention after 1950's because new applications such as radio, television, microwave devices, carrier telephony and computer-circuitry were rapidly expanding. At the same time, physicists, and electronic engineers throughout world were interested in the magnetism and high frequency application of ferrites.
Author: Gagan Kumar Bhargava
Publisher: Springer Nature
ISBN: 981167454X
Category : Technology & Engineering
Languages : en
Pages : 215
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Book Description
This book highlights the fundamentals of ferrites and multiferroic materials with special attention to their structure, types, and properties. It presents a comprehensive survey about ferrite and multiferroic materials, in areas significant to research and development in academia as well as in industry. The book discusses various types of methods applied for their synthesis and characterizations. This book is concerned with the fascinating class of materials with the promise for wide-ranging applications, including electromagnets, magnetic fluid hyperthermia, antenna applications, memory devices, switching circuits, bio-medical applications, actuators, magnetic field sensors and water purification, etc.
Author: Mrs. Dr. Sadhana Kabbur-Dhuttargaon
Publisher: Insta Publishing
ISBN: 8194718260
Category : Education
Languages : en
Pages : 168
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Book Description
The historical background of the development and utility of ferrites. The development of spinel ferrites, the various theories relating to magnetic behavior and electric conduction are discussed in detail. The theory of ferrite nanoparticles is given with special reference to nanoscience and nanotechnology. The development of NiCuZn ferrites, the importance of the ferrite system which is chosen for the stiochiometry is discussed. The best suited method of synthesis which is sol-gel autocombustion method is discussed in detail. Literature survey with special reference to the study of divalent and trivalent substitution is also undertaken. The objectives of the present investigative work and the various characterizations which are chosen for the study are discussed. The conventional method of synthesis is ceramic method, which has disadvantages, the chemical sol-gel autocombustion method which is more advantageous is chosen for the investigations. The suitable chelating agent employed is glycine which has high negative heat of combustion (-3.24 kcal/gm).The working principles of various instrumentations like XRD, FTIR, Raman spectrometer, EDAX, SEM, TEM, VSM etc are explained in detail. The instrument specifications are given for each type. The divalent Mg2+ and Co2+ ion substitution in NiCuZn ferrites and the associated structural, optical, magnetic and electrical properties are recorded. The effect of rare earth Tb3+ and Dy3+ ion substitution on NiCuZn ferrites is also discussed.
Author: K. M. Nair
Publisher: John Wiley & Sons
ISBN: 0470528982
Category : Technology & Engineering
Languages : en
Pages : 212
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Book Description
This compilation is a useful one-stop resource for understanding the most important issues in advances in electroceramic materials, covering topics such as design, synthesis, characterization, and properties and applications. This volume contains a collection of papers from the Advanced Dielectric Materials and Electronic Devices and Electroceramics Technologies symposia held during MS&T 08.
Author: Ali Ghasemi
Publisher: Elsevier
ISBN: 0128240156
Category : Technology & Engineering
Languages : en
Pages : 658
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Book Description
As a fast-emerging and growing class of magnetic materials, ferrites have generated an increasing amount of interest for providing specific magnetic properties through controlled mixture in composites. The study of magnetic ferrite nanocomposites requires a multidisciplinary approach, involving novel synthesis techniques and an understanding of solid-state physics, electronic engineering, and material science. Magnetic Ferrites and Related Nanocomposites covers recent trends of various types of ferrite nanocomposites and evaluating the mechanisms for interpreting static and dynamic magnetic properties. Sections cover the fundamentals of magnetism, introducing different kinds of ferrites, ferrite characterization techniques, magneto-electric ferrite nanocomposites, exchange spring ferrite nanocomposites, shielding effectiveness and microwave absorption characteristics of ferrite-carbon materials, photocatalytic application of ferrite nanocomposites, and novel synthesis techniques for fabricating ferrite in nanoparticles, bulks, thin films, and nanofiber configurations. This book is an important reference for scientists, researchers, graduate students, and practitioners active in this field in order to broaden their understanding of ferrite nanocomposites and their impact on modern technology. - Provides background information regarding various basic magnetic phenomena and related theories, and defines the different natures of magnetic materials - Covers a wide range of hard and soft ferrites and related nanocomposites, particularly focusing on the correlation between structural features and magnetic analysis - Explores the role of substituted cations on the structural, thermal, magnetic, and microwave characteristics of ferrites and their nanocomposites - Discusses the mechanism involved for magnetic properties of major types of ferrite-ferroelectric magneto-electric components, exchange spring ferrite nanocomposites for fabricating next-generation permanent magnets, ferrite carbon nanocomposites for suppressing high-frequency electromagnetic radiation, and ferrite photocatalysts for omitting pollutants from our environment - Assesses the major challenges of experimental characterization and novel manufacturing techniques for fabrication of high quality ferrite, in terms of purity, shape, size, and distribution, and the application on an industrial scale
Author: Charanjeet Singh
Publisher: Materials Research Forum LLC
ISBN: 1644900394
Category : Technology & Engineering
Languages : en
Pages : 199
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Book Description
New research on the magnetic, dielectric and microwave properties of promising materials for domestic, industrial, military and medical applications are presented, with focus on biomaterials, ferrites, Ni-Fe alloys, capacitors, multiferroics, microwave absorbers and perovskite materials. Special emphasis is placed on bioceramics for orthopedic applications; classification of biomaterials; bioactive glass systems; preparation, properties and applications of PbFe12O19 hexaferrites; Ni-Fe alloys for shielding electronic devices from external magnetostatic fields; the role of multiferroics in spintronics field; design of microwave absorbers and absorption characteristics of ceramics.
Author: Bill Lee
Publisher: Springer
ISBN: 9462392137
Category : Technology & Engineering
Languages : en
Pages : 526
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Book Description
This is the Proceedings of III Advanced Ceramics and Applications conference, held in Belgrade, Serbia in 2014. It contains 25 papers on various subjects regarding preparation, characterization and application of advanced ceramic materials.
Author: B. Viswanathan
Publisher:
ISBN:
Category : Ferrite
Languages : en
Pages : 224
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Book Description
Author: Maaz Khan
Publisher: BoD – Books on Demand
ISBN: 1837699445
Category : Technology & Engineering
Languages : en
Pages : 148
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Book Description
This book presents an overview of the status and recent trends in ferrites. It provides readers with a clear understanding of both the theory and applications of ferrites. It also discusses challenges, opportunities, and new directions for the future development of ferrite technology. The book provides fundamental knowledge and up-to-date information to enable advanced study in the field and is therefore a useful resource for research students, scientists, engineers, and materials scientists.
Author: Rajshree B. Jotania
Publisher: Materials Research Forum LLC
ISBN: 1945291699
Category : Technology & Engineering
Languages : en
Pages : 274
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Book 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.
