Conferences related to Ferrites

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2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014

APEC focuses on the practical and applied aspects of the power electronics business. The conference addresses issues of immediate and long term inportance to the participating power electronics engineer.


INTERMAG 2014 - IEEE International Magnetics Conference

Intermag is the premier conference on applied magnetics which allows scientists and engineers from all over to world to meet and discuss novel developments in magnetics, magnetic materials and associated technologies.


2012 Conference on Precision Electromagnetic Measurements (CPEM 2012)

The Conference on Precision Electromagnetic Measurements (CPEM) is devoted to topics related to electromagnetic measurements at the highest accuracy levels. These cover the frequency spectrum from dc through the optical region. A major focus of this conference is quantum devices that relate electrical standards to fundamental constants and the international system of units.


2004 9th International Conference on Ferrites


2000 8th International Conference on Ferrites



Periodicals related to Ferrites

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Antennas and Propagation, IEEE Transactions on

Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.


Magnetics, IEEE Transactions on

Science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage. The Transactions publishes scholarly articles of archival value as well as tutorial expositions and critical reviews of classical subjects and topics of current interest.


Microwave Theory and Techniques, IEEE Transactions on

Microwave theory, techniques, and applications as they relate to components, devices, circuits, and systems involving the generation, transmission, and detection of microwaves.




Xplore Articles related to Ferrites

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Rectangular microstrip antenna on a ferrite substrate

S. Das; S. Chowdhury IEEE Transactions on Antennas and Propagation, 1982

The bandwidth and radiation characteristics of a simple quarter wave microstrip antenna on a typical ferrite substrate are measured and compared with the theoretical results in the lower range of ultrahigh frequency (UHF). A method has also been discussed for impedance matching of the antenna to the feed line.


Time evolution of fields in strontium ferrite permanent magnets

J. T. Volk; B. C. Brown; G. W. Foster; W. Fowler; H. D. Glass; G. P. Jackson PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268), 2001

Field strengths for strontium ferrite permanent magnets built for the Fermilab Recycler and the 8 GeV transfer line have been measured for the past 4 years. The ferrite magnetization exhibits a time dependence parameterized by M1/M2 = -9 × 10-4 × log (t1/t2) as determined from measurements of a gradient magnet. This parameterization has been checked against several other styles ...


Improvement of magnetomechanical properties of cobalt ferrite by magnetic annealing

C. C. H. Lo; A. P. Ring; J. E. Snyder; D. C. Jiles IEEE Transactions on Magnetics, 2005

We report dramatic improvements in both magnetostriction level and strain derivative of polycrystalline cobalt ferrite as a result of magnetic annealing. Magnetostrictive cobalt ferrite composites have potential for use in advanced magnetomechanical stress and torque sensors due to their high sensitivity of magnetization to applied stresses and high levels of magnetostriction. Results show that annealing cobalt ferrite at 300°C in ...


The antenna by using hybrid material and analysis the effect on human body

Ho-Jun Lee; In-Su Yeom 2016 Progress in Electromagnetic Research Symposium (PIERS), 2016

Summary form only given. The hybrid material generally means artificial magnetic materials such as the AMC/ENG/MNG. In this paper, three types of antennas (Dipole/loop/Monopole) which it is generally applied to a wearable communication were designed for WBAN system. The Study on the technology of WBAN (Wireless Body Area Network) continues development and it is useful in mobile communication, medical services. ...


Calculation of iron losses in ferrite toroids using FEM and complex vectors

C. F. Foo; D. M. Zhang; H. Saotome IEEE Transactions on Magnetics, 1999

In this paper the FEM based approach is used to analyse the electromagnetic field distribution in a ferrimagnetic core with rectangular cross section. This numerical method provides a way to accurately visualise the field distribution. The iron losses which consist of magnetic loss, dielectric loss and eddy current loss are calculated separately based upon the electromagnetic field distribution. From these ...


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Educational Resources on Ferrites

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eLearning

Rectangular microstrip antenna on a ferrite substrate

S. Das; S. Chowdhury IEEE Transactions on Antennas and Propagation, 1982

The bandwidth and radiation characteristics of a simple quarter wave microstrip antenna on a typical ferrite substrate are measured and compared with the theoretical results in the lower range of ultrahigh frequency (UHF). A method has also been discussed for impedance matching of the antenna to the feed line.


Time evolution of fields in strontium ferrite permanent magnets

J. T. Volk; B. C. Brown; G. W. Foster; W. Fowler; H. D. Glass; G. P. Jackson PACS2001. Proceedings of the 2001 Particle Accelerator Conference (Cat. No.01CH37268), 2001

Field strengths for strontium ferrite permanent magnets built for the Fermilab Recycler and the 8 GeV transfer line have been measured for the past 4 years. The ferrite magnetization exhibits a time dependence parameterized by M1/M2 = -9 × 10-4 × log (t1/t2) as determined from measurements of a gradient magnet. This parameterization has been checked against several other styles ...


Improvement of magnetomechanical properties of cobalt ferrite by magnetic annealing

C. C. H. Lo; A. P. Ring; J. E. Snyder; D. C. Jiles IEEE Transactions on Magnetics, 2005

We report dramatic improvements in both magnetostriction level and strain derivative of polycrystalline cobalt ferrite as a result of magnetic annealing. Magnetostrictive cobalt ferrite composites have potential for use in advanced magnetomechanical stress and torque sensors due to their high sensitivity of magnetization to applied stresses and high levels of magnetostriction. Results show that annealing cobalt ferrite at 300°C in ...


The antenna by using hybrid material and analysis the effect on human body

Ho-Jun Lee; In-Su Yeom 2016 Progress in Electromagnetic Research Symposium (PIERS), 2016

Summary form only given. The hybrid material generally means artificial magnetic materials such as the AMC/ENG/MNG. In this paper, three types of antennas (Dipole/loop/Monopole) which it is generally applied to a wearable communication were designed for WBAN system. The Study on the technology of WBAN (Wireless Body Area Network) continues development and it is useful in mobile communication, medical services. ...


Calculation of iron losses in ferrite toroids using FEM and complex vectors

C. F. Foo; D. M. Zhang; H. Saotome IEEE Transactions on Magnetics, 1999

In this paper the FEM based approach is used to analyse the electromagnetic field distribution in a ferrimagnetic core with rectangular cross section. This numerical method provides a way to accurately visualise the field distribution. The iron losses which consist of magnetic loss, dielectric loss and eddy current loss are calculated separately based upon the electromagnetic field distribution. From these ...


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IEEE.tv Videos

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IEEE-USA E-Books

  • Cable Design Guidelines

    This chapter contains sections titled: Materials in Contact with Each Other Should Be Close in the Electrochemical Series The Anodic Material (More Positive) Should Be Larger than the Cathodic Material The Contact Shouldn't Have a Constant Current Flow Use Cathodic Materials, If Possible Air Separations from Chassis Wires or Connector Pins to Other Lines Should Be At Least 2.2 mm to Prevent Arcing Use Shielded Cables and Connect Chassis Ground to the Shield Cable Shields Should Be At Least 0.025 mm Thick (Over the Range of 1 MHz to 5 GHz, Copper or Aluminum Doesn't Have to Be Very Thick to Provide Shielding) Cable Shields Must Have a High Frequency Connection to the Chassis on Both Ends of the Cable The Cable Shield Should Connect to the Chassis at the Cable Entry Point, and the Unshielded Portion of the Cable Must Be Kept to a Minimum If There Is No Chassis at One End of the Cable, Design in an Option to Connect the Cable Shield to Logic Ground via a High Frequency Capacitor The ESD Current Path Should Not Be Included in the Ferrite with Other Lines (It Is Best if the ESD Path Doesn't Flow Through Any Ferrites) If a Ferrite Bead Is Used on Cable Signal Lines, It Will Be Most Effective when Placed at the Receiver End of the Signal Line, So It Can Filter Out Noise Picked Up on the Signal Line Extra Lines in a Cable Must Be Either Clipped Off or Connected Properly Flat Cables Should Have a Logic Ground Line Beside Every Other Line, and Sensitive Signal Lines Should Be in the Center Conductors This chapter contains sections titled: Summary of Cable Design Guidelines

  • Intermetallic Compounds and Ferrites

    This chapter contains sections titled: MnBi References PtMnSb Heusler Alloy References Non-Garnet Ferrites for Magneto-Optical Recording Media References The Europium Chalcogenides References

  • Index

    "As digital data storage technology undergoes enormous change, electrical engineers, physicists, and materials scientists need to keep pace with the materials requirements for recording media. Expert contributors -- together with world-class authorities Richard J. Gambino and Takao Suzuki -- bring you a practical, comprehensive guide to materials design and selection for magneto-optical storage media. This authoritative book explores multilayered thin films, exchanged coupled layers, materials used in current products, and materials of potential interest not yet available in practical applications. A detailed analysis concerning the physics of magneto-optical recording will help you make informed decisions about materials properties. You will also find an extensive discussion of systems and engineering design features for magneto-optical storage devices. This discussion will help you to understand how materials properties impact system performance. You will gain additional insight into this fast-developing field through in-depth coverage of these featured topics: * Rare earth-transition metal amorphous alloys, multilayers, garnets, intermetallic compounds, and ferrites * Basic principles of domain dynamics and recording physics * Latest developments in exchange coupled layers, direct overwrite, and magnetic superresolution * Minidisc, future high-density systems, and DVD format. MAGNETO-OPTICAL RECORDING MATERIALS is essential reading for anyone who needs to keep up-to-date with the latest advances in digital data storage technology."

  • About the Editors

    "As digital data storage technology undergoes enormous change, electrical engineers, physicists, and materials scientists need to keep pace with the materials requirements for recording media. Expert contributors -- together with world-class authorities Richard J. Gambino and Takao Suzuki -- bring you a practical, comprehensive guide to materials design and selection for magneto-optical storage media. This authoritative book explores multilayered thin films, exchanged coupled layers, materials used in current products, and materials of potential interest not yet available in practical applications. A detailed analysis concerning the physics of magneto-optical recording will help you make informed decisions about materials properties. You will also find an extensive discussion of systems and engineering design features for magneto-optical storage devices. This discussion will help you to understand how materials properties impact system performance. You will gain additional insight into this fast-developing field through in-depth coverage of these featured topics: * Rare earth-transition metal amorphous alloys, multilayers, garnets, intermetallic compounds, and ferrites * Basic principles of domain dynamics and recording physics * Latest developments in exchange coupled layers, direct overwrite, and magnetic superresolution * Minidisc, future high-density systems, and DVD format. MAGNETO-OPTICAL RECORDING MATERIALS is essential reading for anyone who needs to keep up-to-date with the latest advances in digital data storage technology."

  • Solid Reactions in Ferrites

    This chapter contains sections titled: Introduction, Type I Ferrite Reaction, Type II Ferrite Reaction, Type III Ferrite Reaction, Type IV Ferrite Reaction, Type V Ferrite Reaction, Conclusion, References

  • Tensor Permeability in a Magnetic Insulator

    This chapter contains sections titled: Introduction Tensor Permeability Damping Scalar Permeabilities Effective Permeability and Gyrotropy Kittel Line Low-Field Losses in Unsaturated Magnetic Insulator Magnetic Bias Points Above and Below the Kittel Line Spinwave Manifold Magnetization Values of Various Ferrites The Origin of the Uniform Linewidth in Magnetic Insulators

  • Ferrimagnetism

    This chapter contains sections titled: Introduction Structure of Cubic Ferrites Saturation Magnetization Molecular Field Theory Hexagonal Ferrites Other Ferrimagnetic Substances Summary: Kinds of Magnetism Problems

  • Passive Microwave Devices

    This chapter contains sections titled: Terminations Attenuators Phase Shifters Directional Couplers Hybrid Junctions Power Dividers Microwave Propagation in Ferrites Faraday Rotation Microwave Devices Employing Faraday Rotation Circulators Other Ferrite Devices This chapter contains sections titled: Problems References

  • The Stripline Circulator: Theory and Practice

    This chapter contains sections titled: Complex Gyrator Circuit of Weakly Magnetized Junction Circulator Very Weakly Magnetized Gyromagnetic Resonator Weakly Magnetized Gyromagnetic Resonator Moderately Magnetized Gyromagnetic Resonator The Degree-2 Circulator Gap Effects in Circulator Assemblies Suspended Planar Resonator Passband Frequencies of a Three-Port Junction in Immittance Plane Open Walls Spinwave Instability in Magnetic Insulators Frequency Doubling in Ferrites Second-Order Intermodulation in Magnetic Insulators Temperature Stability of Magnetic Insulators Below the Kittel Line Third-Order Intermodulation Products in Nonlinear Devices

  • FiniteDifference TimeDomain Methodologies for Electromagnetic Wave Propagation in Complex Media

    This chapter contains sections titled: Introduction Maxwell's Equations and Complex Media FDTD Method Non-Dispersive, Anisotropic Media Cold Plasma Magnetoionic Media Isotropic, Collisionless Warm Plasma Debye Dielectric Lorentz Dielectric Magnetic Ferrites Nonlinear Dispersive Media Summary This chapter contains sections titled: References



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