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IEEE Transactions on Magnetics

Issue 3 • September 1965

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Displaying Results 1 - 14 of 14
  • [Front cover and table of contents]

    Publication Year: 1965, Page(s): 0
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    Freely Available from IEEE
  • Potential applications of magnetic rare earth compunds

    Publication Year: 1965, Page(s):144 - 155
    Cited by:  Papers (21)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1465 KB)

    Chemistry and physics of the rare earth elements and their compounds are in a rapidly expanding state of development. Many new materials with interesting magnetic properties have recently become available. The potential of lanthanon compounds as magnetic materials in electrical engineering is evaluated by comparing the basic properties of lanthanons and transition metals. The lanthanides show cert... View full abstract»

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  • Ultimate performance limitations of high-power ferrite circulators and phase shifters

    Publication Year: 1965, Page(s):168 - 174
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (824 KB)

    The power-handling capability of circulators and phase shifters in rectangular waveguide is analyzed. It is shown that an appropriate measure of the suitability of microwave ferrites for high-power applications is given by the "high-power figure of merit"F_{hp}* = 4piMgamma^{2}h_{crit}/omega^{2}mu'. Here γ is the gyromagnetic ratio, hcritthe critical RF field, ω the... View full abstract»

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  • Magnetic measurements with Lorentz microscopy

    Publication Year: 1965, Page(s):156 - 167
    Cited by:  Papers (12)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2936 KB)

    The electron microscope may be operated in a mode which permits the exploration of the magnetization configurations in thin magnetic films. This mode of operation, known as Lorentz microscopy, is a powerful technique for investigating thin NiFe films because it offers high resolution, because it provides an unequivocal identification of the local magnetization direction, and because it permits cor... View full abstract»

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  • Indirectly coupled films

    Publication Year: 1965, Page(s):174 - 180
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (736 KB)

    A positive coupling has been observed between magnetic films separated by a thin metallic layer. Five methods which have been developed for measuring this coupling and the variation of the coupling with evaporation temperature, measuring temperature, and thickness of the intermediate layer are described. Three mechanisms are proposed for the observed coupling : bulk diffusion of ferromagnetic atom... View full abstract»

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  • Comparison of magnetic behavior of cylindrical and flat films from Kerr effect probe measurements

    Publication Year: 1965, Page(s):180 - 185
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (808 KB)

    The magnetic characteristics of flat and cylindrical permalloy films are compared. 1000 Å-flat films and 10 000-Å cylindrical films electrodeposited onto 5-mil-diameter wires show very similar magnetic properties. Geometrical differences arise largely in the relative ease or difficulty with which fields may be applied to the films and signals extracted. The greater thickness of the cylin... View full abstract»

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  • Engineering aspects of magnetic film memories

    Publication Year: 1965, Page(s):185 - 192
    Cited by:  Papers (3)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1304 KB)

    Some of the more pertinent engineering aspects relating to the design of magnetic film destructive readout (DRO) memories are given, together with a brief reference to nondestructive readout memories. The technical discussion centers primarily on three major areas: 1) storage element characteristics such as skew, dispersion, disturb threshold, and magnetostriction, and how these relate to element ... View full abstract»

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  • Thin metallic films for high-density digital recording

    Publication Year: 1965, Page(s):193 - 205
    Cited by:  Papers (17)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1288 KB)

    Three different methods, electrodeposition, autocatalytic deposition, and vacuum deposition, by which thin metal films may be made are described. They have a combination of magnetic characteristics which should make them well suited to the purpose of high density recording. It is concluded that the factors which are primarily responsible for the superior recording performance of these films when c... View full abstract»

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  • Storage systems--Present status and anticipated development

    Publication Year: 1965, Page(s):206 - 211
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (824 KB)

    The state of the art of computer memories is discussed with respect to the increasing variety of memory systems and functions. Present speed and capacity limits will be given. New technologies and concepts will be reviewed and fundamental barriers are identified. Their review leads to an estimate of the progress to be expected in the next few years. View full abstract»

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  • Basic deposited integrated magnetic circuit element for fast computer circuitry

    Publication Year: 1965, Page(s):211 - 217
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (880 KB)

    A deposited configuration, consisting of a magnetic thin film and coupling loop, was studied with a view to the future development of integrated magnetic circuitry. A line charge model, predicting flux linkages of coupling loops to an accuracy of about one percent was established. The almost complete linkage of the film flux with a deposited loop, due to the very close coupling, was verified. A de... View full abstract»

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  • Proposed low-frequency measurement standard for magnetic films

    Publication Year: 1965, Page(s):218 - 221
    Cited by:  Papers (23)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (448 KB)

    First Page of the Article
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  • Computation of flux switching in magnetic circuits

    Publication Year: 1965, Page(s):222 - 234
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1241 KB)

    A number of physical and semiempirical flux-switching models that have appeared in the literature are reviewed briefly and classified. A thin ferrite core is switched by essentially a step mmf (with short rise time Tr). Three components of the totaldot{phi}(t)are distinguished and semiempirical models are proposed for each : 1) an initial elasticdot{phi}spike durin... View full abstract»

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  • [Back cover]

    Publication Year: 1965, Page(s): 0
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    Freely Available from IEEE
  • Determination of minor hysteresis loops of isotropic ferromagnetic materials

    Publication Year: 1965, Page(s):235 - 236
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

    First Page of the Article
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Aims & Scope

IEEE Transactions on Magnetics publishes research in science and technology related to the basic physics and engineering of magnetism, magnetic materials, applied magnetics, magnetic devices, and magnetic data storage.

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Meet Our Editors

Editor-in-Chief
Pavel Kabos
National Institute of Standards and Technology