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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Distribution of Thermal Stability Factor for Barium Ferrite Particles

Osamu Shimizu; Yuichi Kurihashi; Isamu Watanabe; Takeshi Harasawa IEEE Transactions on Magnetics, 2013

The thermal stability factor (Ku V/kBT, where Ku, V, kB, and T are the magnetic anisotropy constant, particle volume, Boltzmann constant, and temperature, respectively), obtained from the dependence of remanence coercivity on time, is generally assumed to correlate with the signal decay rate. However, some data fail to explain the relation between the thermal stability factor and the signal decay ...


Comparison of amorphous materials, ferrites, and permalloys

R. Boll; H. Hilzinger IEEE Transactions on Magnetics, 1983

The principal factors governing the magnetization behavior of crystalline and amorphous metals and ferrites are reviewed. The typical values of the basic contributions to the magnetic anisotropies in amorphous alloys are given and compared with those of crystalline materials and ferrites. To analyse the behavior at higher frequencies the power losses and the permeability at pulse magnetization for the three ...


Propagation in ferrite microstrip structures magnetised longitudinally

A. Cwikia; P. Kutysz; J. Mazur 12th International Conference on Microwaves and Radar. MIKON-98. Conference Proceedings (IEEE Cat. No.98EX195), 1998

Spectral domain analysis of single and coupled microstrip line with longitudinally magnetised ferrite substrate is presented. The dispersion characteristics of the fundamental modes are investigated. The effect of the cut-off frequency is explained on the case of coupled mode approach


High-selectivity passive resistance-capacitance null networks

V. Ramachandran Proceedings of the IEEE, 1968

The transfer function of three-terminal RC null networks is examined, with the object of achieving as high a selectivity as possible. It is shown that a theoretical maximum exists, which can only be approached in the actual realization.


Phase compensation in an optically controlled microwave attenuator

H. Shimasaki; S. Matsuda; M. Tsutsumi 1997 IEEE MTT-S International Microwave Symposium Digest, 1997

A microwave attenuator has been developed whose attenuation can be controlled by illuminating the silicon substrate. The phase shift which appeared together with the attenuation can be compensated by a ferrite phase shifter under dc magnetic field to the line. The attenuation characteristics without phase shift are shown by experiments in X band and confirmed theoretically by the spectral domain ...


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Educational Resources on Ferrites

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eLearning

Distribution of Thermal Stability Factor for Barium Ferrite Particles

Osamu Shimizu; Yuichi Kurihashi; Isamu Watanabe; Takeshi Harasawa IEEE Transactions on Magnetics, 2013

The thermal stability factor (Ku V/kBT, where Ku, V, kB, and T are the magnetic anisotropy constant, particle volume, Boltzmann constant, and temperature, respectively), obtained from the dependence of remanence coercivity on time, is generally assumed to correlate with the signal decay rate. However, some data fail to explain the relation between the thermal stability factor and the signal decay ...


Comparison of amorphous materials, ferrites, and permalloys

R. Boll; H. Hilzinger IEEE Transactions on Magnetics, 1983

The principal factors governing the magnetization behavior of crystalline and amorphous metals and ferrites are reviewed. The typical values of the basic contributions to the magnetic anisotropies in amorphous alloys are given and compared with those of crystalline materials and ferrites. To analyse the behavior at higher frequencies the power losses and the permeability at pulse magnetization for the three ...


Propagation in ferrite microstrip structures magnetised longitudinally

A. Cwikia; P. Kutysz; J. Mazur 12th International Conference on Microwaves and Radar. MIKON-98. Conference Proceedings (IEEE Cat. No.98EX195), 1998

Spectral domain analysis of single and coupled microstrip line with longitudinally magnetised ferrite substrate is presented. The dispersion characteristics of the fundamental modes are investigated. The effect of the cut-off frequency is explained on the case of coupled mode approach


High-selectivity passive resistance-capacitance null networks

V. Ramachandran Proceedings of the IEEE, 1968

The transfer function of three-terminal RC null networks is examined, with the object of achieving as high a selectivity as possible. It is shown that a theoretical maximum exists, which can only be approached in the actual realization.


Phase compensation in an optically controlled microwave attenuator

H. Shimasaki; S. Matsuda; M. Tsutsumi 1997 IEEE MTT-S International Microwave Symposium Digest, 1997

A microwave attenuator has been developed whose attenuation can be controlled by illuminating the silicon substrate. The phase shift which appeared together with the attenuation can be compensated by a ferrite phase shifter under dc magnetic field to the line. The attenuation characteristics without phase shift are shown by experiments in X band and confirmed theoretically by the spectral domain ...


More eLearning Resources

IEEE.tv Videos

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IEEE-USA E-Books

  • 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

  • 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

  • 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

  • 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

  • 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

  • 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."

  • 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

  • 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

  • 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."



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