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IEEE Transactions on Magnetics

Issue 2  Part 1 • Mar. 1997

 This issue contains several parts.Go to:  Part 2 

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Displaying Results 1 - 15 of 15
  • The Seventh Biennial IEEE Conference On Electromagnetic Field Computation (IEEE CEFC '96)

    Publication Year: 1997, Page(s): 0_1
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    Freely Available from IEEE
  • A generalized slope model for magnetization transitions

    Publication Year: 1997, Page(s):1073 - 1084
    Cited by:  Papers (16)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    Based on a multilayer approach, a generalized slope model is outlined for tape media with arbitrary magnetic layer thickness. A systematic study is performed which includes the role of demagnetization, angle dependence of the switching fields, switching field distribution, particle orientation, particle sizes, and geometric effects such as spacing between head and medium. The theoretical results a... View full abstract»

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  • 8th Electromagnetic Launch Symposium

    Publication Year: 1997
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (56 KB)

    The following topics were dealt with: armatures and launch packages; coilguns; computational techniques; electrothermal and electrothermal chemical launchers; electromagnetic launch applications and materials performance; power conditioning and energy storage; rail launchers; system analysis and integration View full abstract»

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  • Perpendicular magnetic anisotropy and magnetooptical properties of (Co1-xNix)/Pd multilayers

    Publication Year: 1997, Page(s):1049 - 1051
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (104 KB)

    The magnetic and magnetooptical properties of (Co1-xNi x)/Pd multilayers were systematically investigated. The addition of Ni to the Co layer simultaneously decreases the Curie temperature and Kerr rotation angle, but the decrease of the Curie temperature is larger. By controlling the Ni content it is possible to reduce the Curie temperature. The perpendicular magnetic anisot... View full abstract»

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  • Tribology of metal-evaporated tape for high-density magnetic recording

    Publication Year: 1997, Page(s):1058 - 1068
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (260 KB)

    Magnetic recording density has increased remarkably due to progress in magnetic recording media. Metal-evaporated (ME) tapes may be the ultimate media for the coming era of digital magnetic recording. However, ME tapes are inferior to metal-particulate (MP) tapes in durability against the rubbing of magnetic heads. The use of organic and inorganic protective layers could improve two tradeoff prope... View full abstract»

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  • An effective 3-D finite element scheme for computing electromagnetic field distortions due to defects in eddy-current nondestructive evaluation

    Publication Year: 1997, Page(s):1012 - 1020
    Cited by:  Papers (44)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (244 KB)

    A new three-dimensional (3-D) finite element scheme for eddy-current nondestructive evaluation (NDE) problems is described that calculates directly the perturbation of the electromagnetic field due to defects in metallic specimens. The computational costs of such problems are usually very high using available finite element schemes, and the new scheme is supposed to lower these costs. The basic co... View full abstract»

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  • Playback pulse shape and spectra for shielded MR heads

    Publication Year: 1997, Page(s):1093 - 1103
    Cited by:  Papers (15)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (380 KB)

    Simple analytical expressions for the longitudinal surface fields from four types of shielded magnetoresistive (MR) heads, i.e., single element MR heads (both centered and off-center), dual-stripe heads, and “differential” MR heads are derived using superposition and Schwarz-Christoffel transformation. These expressions are utilized to study playback pulse shape and spectra. For the ce... View full abstract»

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  • Deformed MO loops: appearance of orthogonal components of magnetization

    Publication Year: 1997, Page(s):1046 - 1048
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (88 KB)

    The widely used magnetooptical (MO) loop tracer which measures polarization rotation in terms of light-power levels is not adequate for observing individual magnetization components. Loop tracing with the transverse Kerr effect yielding MO loops is able to determine such single components. We present a differential system for observing the transverse Kerr effect which we have constructed for stabl... View full abstract»

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  • Architectures for the implementation of a fixed delay tree search detector

    Publication Year: 1997, Page(s):1116 - 1124
    Cited by:  Papers (6)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (268 KB)

    This paper examines the tradeoff between fixed delay tree search (FDTS) detector complexity and performance with various modulation codes. Several architectures suitable for implementing FDTS or achieving performance comparable to FDTS are presented. Recursive forms are derived by decomposing the branch metric computation while breaking down the entire path metric yields nonrecursive forms. The fi... View full abstract»

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  • Magnetic force microscopy studies of ultrahigh density magnetic recording on longitudinal and perpendicular media

    Publication Year: 1997, Page(s):1052 - 1057
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (212 KB)

    It has been demonstrated using magnetic force microscopy (MFM) that magnetic recording patterns with linear densities in excess of 230 kfci can be sustained by isotropic longitudinal media with Hc=2500 Oe and perpendicular media with Hc=1800 Oe. It was found that the size of magnetic cluster domains limited the linear recording density sustainable by a longitudinal medium and... View full abstract»

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  • Power dissipation and magnetic forces on MAGLEV rebars

    Publication Year: 1997, Page(s):1021 - 1036
    Cited by:  Papers (2)  |  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (984 KB)

    Concrete guideways for proposed MAGLEV vehicles may be reinforced with electrically conducting and magnetizable steel rebars. Transient magnetic fields due to passing MAGLEV vehicles will then induce transient currents in the rebars leading to power dissipation and temperature rise as well as Lorentz and magnetization forces on the rebars. In order to evaluate if this heating and force on the reba... View full abstract»

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  • Rotational hysteresis model for stressed ferromagnetic films

    Publication Year: 1997, Page(s):1007 - 1011
    Cited by:  Papers (11)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (168 KB)

    The effect of an external mechanical stress on the coercive force of Ni is different for bulk and for thin films. The bulk behavior is correctly explained by the Sablik-Jiles model which assumes that wall displacement is the driving mechanism of the magnetization process. In thin films, on the other hand, magnetization rotation might be a relevant mechanism, and this could explain the experimental... View full abstract»

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  • Effect of apparent reversibility on parameter estimation [magnetic recording]

    Publication Year: 1997, Page(s):1085 - 1092
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (256 KB)

    In materials with large magnetic moments, the interaction field can be sufficiently large so that the Preisach function has a significant contribution outside the fourth quadrant of the Preisach plane. It is shown that such media, even a perfectly aligned medium that has an apparent reversible component, will have nonzero squareness. In this case, one has to distinguish between remanence and the i... View full abstract»

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  • Analysis of an effective magnetic field in a contact gap of a heavy loaded reed

    Publication Year: 1997, Page(s):1037 - 1045
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (344 KB)

    Studies of a spatial magnetic field variation within a contact gap of the reed operated under heavy load are reported. The influence of such factors as reed and driving coil parameters as well as contact current value have been investigated. The calculations were carried out using the electronic theory of magnetism and were verified by experiment. On the basis of the results, conclusions about the... View full abstract»

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  • A nonlinearity specification for constructing the servo position error signal

    Publication Year: 1997, Page(s):1104 - 1115
    Cited by:  Papers (3)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB)

    A high performance disk file actuator servo requires a position transducer whose response is linear with displacement. Two concerns that detrimentally affect positional linearity are the nonlinear response of the burst detector to burst amplitude and the nonuniform sensitivity of the magnetic read element across its pole faces. Nonuniform field sensitivity is of particular concern with the advent ... View full abstract»

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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.

Full Aims & Scope

Meet Our Editors

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