<![CDATA[ IEEE Transactions on Magnetics - new TOC ]]>
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TOC Alert for Publication# 20 2017July 24<![CDATA[Front cover]]>538C1C1286<![CDATA[IEEE Transactions on Magnetics publication information]]>538C2C278<![CDATA[Table of contents]]>53812210<![CDATA[Effect of Co<sub>2</sub>O<sub>3</sub> Addition on Stability of Permeability to an Impulse Magnetic Field in NiCuZn Ferrites]]>2O_{3} and Co_{2}O_{3} were prepared by the solid-state reaction method. Micrographs were obtained by SEM. The complex permeability spectra were measured by Agilent E4991A and 16454A. Variation of the permeability under a magnetic field impulse was measured by Agilent 4284A. Effect of the Co_{2}O_{3} content on the permeability spectra of the NiCuZn ferrite samples before and after exposing to an impulse magnetic field was discussed. The corresponding permeability spectra of the samples were decomposed into the domain wall motion component and the spin rotation component. The results show that the permeability at 1 MHz decreases and the resonance frequency increases with more Co_{2}O_{3} content, and Co^{2+} have different effect on the two kinds of magnetic susceptibility components. Different variation was revealed for the domain wall motion component and the spin rotation component after exposing to an impulse magnetic field. The decline rate of susceptibility by domain wall motion is smaller than that of susceptibility by spin rotation.]]>538141254<![CDATA[Analytical Model for Predicting Vibration Due to Magnetostriction in Axial Flux Permanent Magnet Machines With Amorphous Metal Cores]]>538181745<![CDATA[Effects of B<sub>4</sub>C Addition on the Microstructure and Magnetic Properties of FePt-C Granular Thin Films for Perpendicular Magnetic Recording]]>4C addition on the microstructure and magnetic properties of FePt and FePt-C thin films have been studied. A high coercivity of 2.11 T with good squareness is achieved by B_{4}C addition. By analyzing the mechanism and different isolation effects of B_{4}C and C as segregants, a double-layer approach has been developed and a coercivity of 1.96 T is achieved with column-like FePt grains. The grain size and the size distribution are not deteriorated substantially compared with the single-layer case. These results indicate that addition of B_{4}C as segregant is beneficial for the modification of microstructure and magnetic properties.]]>538151098<![CDATA[Development of Analytical Approach to Fabricate Composites for Microwave Absorption]]>$m_{i}$ ), volume fraction ($V_{f}$ )], and a coating thickness ($t$ ) of the composites for a predetermined RL and BW in-accordance with the requirement of the end user. A Mixing model for the extraction of effective permittivity ($\varepsilon _{\mathrm {-
ff}}$ ), permeability ($\mu _{\mathrm {eff}}$ ) of the composite, and Genetic algorithm as an optimization technique for the determination of $m_{i}$ , $V_{f}$ , and t for a specific RL and BW are used for proposing the algorithm. The developed model has been tested on the nanostructured NiFe_{2}O_{4} (NF) and TiO_{2} (T) composite, which may possibly have good absorption in $C$ - and $X$ -bands. The computed results were experimentally validated and found that it is in good agreement. The proposed algorithm has been applied to other composites with different morphologies like nanostructured nickel ferrite (NF)—nickel zinc ferrite (NZF) and calcium ferrite (CF)—graphite (G).]]>5381101934<![CDATA[Evaluation of the Imaginary Part of the Magnetic Susceptibility, $\chi ^{\prime \prime }$ , and Application to the Estimation of the Low Frequency, 1/ $f$ , Excess Noise in GMI Sensors]]>$\chi ^{\prime \prime }$ . The latter may be evaluated by two different methods, based on the measurement of the real part of the wire impedance and on the evaluation of the circumferential hysteresis loop area. The results obtained by both methods are compared and discussed. The values of $\chi ^{\prime \prime }$ thus obtained are then used in order to predict the equivalent magnetic noise level at 1 Hz, and are compared with that measured at 1 Hz. The comparison is conducted for different amplitudes of the dc bias current, and the results obtained indicate that the proposed methods have the potential of predicting the excess noise in GMI sensors.]]>53815706<![CDATA[Broadband ESR Spectroscopy With a Tunable Interferometer]]>$0.2~\mu \text{g}$ ($2.8 \times 10^{14}$ spins) 2,2-diphenyl-1-picrylhydrazyl (DPPH) sample at a signal-to-noise ratio (SNR) of ~121 at room temperature. The broadband ESR operation capability is investigated with a broadband meander microstrip line (MML) by measuring $6~\mu \text{g}$ ($8.4 \times 10^{15}$ ) DPPH between 8 and 13 GHz at a ~194 SNR with 10 kHz VNA intermediate frequency. The obtained sensitivity is significantly higher than that of current broadband ESR methods. In both MR and MML cases, dispersion and absorption ESR signals at room temperature are simultaneously obtained. With MML structures, the quantification of permeability $\mu (\omega )=\mu ' (\omega ) -j\mu '(\omega )$ is possible. Thus, the ESR techniques are also a highly sensitive ferromagnetic resonance method. More work is needed to further improve ESR sensitivity and quantification accuracy.]]>538191295<![CDATA[Novel Method for Magnetic Field Vector Measurement Based on Dual-Axial Tunneling Magnetoresistive Sensors]]>53816720<![CDATA[Role of Fibrillation on the Magnetorheological and Viscoelastic Effects in Fe, Ni, and Co Nanocolloids]]>538183249<![CDATA[Feedback of Eddy Currents in Layered Materials for Magnetic Speed Sensing]]>5381113650<![CDATA[Non-Destructive Residual Strain Prediction Using the Binary Pattern of Eddy Current]]>5381153305<![CDATA[A Hybrid Indirect–Direct Coupling Method for Strongly Coupled Nonlinear Magnetic Problems]]>5381112192<![CDATA[A Whole Space Harmonic Force Model for the Disk Electrodynamic Suspension Device Utilizing Magnetic Vector Potential]]>5381101404<![CDATA[An Algorithm for Transmitter Optimization in Electromagnetic Tracking Systems]]>538182148<![CDATA[Electrodynamic Wheel Magnetic Rolling Resistance]]>538173067<![CDATA[Design of Voice Coil Motor With the Forward Winding for Linear Vibro-Impact Systems]]>538192089<![CDATA[Surrogate-Based Multi-Objective Optimization of Electrical Machine Designs Facilitating Tolerance Analysis]]>5381111809<![CDATA[Optimization for Airgap Flux Density Waveform of Flywheel Motor Using NSGA-2 and Kriging Model Based on MaxPro Design]]>538172186<![CDATA[Electromagnetic Design of a High-Speed Solid Cylindrical Permanent-Magnet Motor Equipped With Active Magnetic Bearings]]>5381153969<![CDATA[Reduction of Power Transformer Core Noise Generation Due to Magnetostriction-Induced Deformations Using Fully Coupled Finite-Element Modeling Optimization Procedures]]>5381111840<![CDATA[Multi-Objective Optimization of Circular Magnetic Couplers for Wireless Power Transfer Applications]]>$ {k}$ ) and maximum leakage field magnetic flux density ($ {B_{\max }}$ ); for the second pair, the product between quality factor ($ {Q}$ ) and $ {k}$ is combined with ($ {B_{\max }}$ ). To valid-
te the optimization algorithm effectiveness and accuracy, a selected magnetic coupler is fabricated and tested. Due to superior execution time, and satisfactory optimization capabilities, the MORPSO algorithm is employed to generate a final optimum design. Collected measurements demonstrate a very good agreement between the experimental and simulation results.]]>5381122913<![CDATA[IEEE Magnetics Society Information]]>538C3C376<![CDATA[IEEE Transactions on Magnetics Institutional Listings]]>538C4C4544