J.Magn.Soc.Jpn Vol.40 No.2 CONTENTS Letter Negative Hypothesis of Equivalence between Dynamic Magnetic Loss and Eddy Current Loss in Ferrite Grains…H.Saotome Magnetic Recording Increase in AC-Field Frequency and Recording Performance in Microwave-Assisted Magnetic Recording…R. Koga, F. Akagi, K. Yoshida Advantages of Increasing Writing Temperature in Heat-Assisted Magnetic Recording …T. Kobayashi, Y. Isowaki, Y. Fujiwara Power Magnetics Winding Arrangement of High-frequency Amorphous Transformers for MW-class DC-DC Converters…H. Tanaka, K. Nakamura, O. Ichinokura Reduction of Magnetic Field from Receiving Side by Separated Coil in Contactless Charging Systems for Moving Electric Vehicle …S. Aoki, F. Sato, S. Miyahara, H. Matsuki, T. Takura Editorial Board

J.Magn.Soc.Jpn Vol.40 No.1 PDF CONTENTS Magnetic Recording Design Parameter and Anisotropy Constant Ratio for Heat-Assisted Magnetic Recording …T. Kobayashi, Y. Isowaki, and Y. Fujiwara Hard and Soft Magnetic Materials The hysteresis properties analysis of Fe-4 wt% Si prepared by high purity metallurgy…Z. Lei, T. Horiuchi, I. Sasaki, C. Kaido*, M. Takezawa**, S. Hata***, Y. Horibe**, T. Ogawa****, H. Era** Thin Films, Fine Particles, Multilayers, and Superlattices Structure and Magnetic Properties of (001) Oriented CoPt-Ag and CoPd-Ag Alloy Films…T. Nagata, Y. Tokuoka, T. Kato, D. Oshima*, and S. Iwata*

CONTENTS Spin Electronics Crystallographic Anisotropy of the Intrinsic Gilbert Damping for Single-Crystalline Fe Film …Y. Kasatani and Y. Nozaki Measurement Technique, High-Frequency Devices Permeability Measurements of Magnetic Thin Films using Shielded Short-Circuited Microstrip Lines…S. Takeda, T. Hotchi, S. Motomura, and H. Suzuki

CONTENTS Magnetic Recording Alignment of c-Axis Orientation Perpendicular to the Substrate Surface in FePt Alloy Thin Film with L10 Structure …M. Ohtake, A. Itabashi, M. Futamoto, F. Kirino, and N. Inaba Effective Damping Factor for CoPtCr–SiO2 Perpendicular Magnetic Recording Medium with Partially Switched Magnetic Domains …S. Hinata, S. Saito, M. Takahashi, and M. Sahashi Hard and Soft Magnetic Materials Effect of Magnetocrystalline Anisotropy on the Magnetostrictive Behavior of Fe–Si Single–Crystal Film…T. Kawai, T. Aida, M. Ohtake, and M. Futamoto Thin Films, Fine Particles, Multilayers, and Superlattices Preparation and Structure Characterization of Sm-Ni Alloy Epitaxial Thin Films…Y. Hotta, T. Yanagawa, M. Yamada, M. Ohtake, M. Futamoto, F. Kirino, and N. Inaba The Proceedings […]

CONTENTS Review Article Spin-Polarized Scanning Electron Microscopy (Spin SEM) and its Recent Progress …T. Kohashi Magnetic Recording Anisotropy Constant Ratio Required for Heat-Assisted Magnetic Recording …T. Kobayashi, Y. Isowaki, and Y. Fujiwara Hard and Soft Magnetic Materials Synthesis and Magnetic Properties of Fe2W and Fe2Y Hexaferrites…M. Koide, K. Kakizaki, and K. Kamishima Spin Electronics Micromagnetic Simulation of Spin Wave Propagation in a Ferromagnetic Film with Different Thicknesses…H. Hata, T. Moriyama, K. Tanabe, K. Kobayashi, R. Matsumoto, S. Murakami, J. Ohe, D. Chiba, and T. Ono Measurement Technique, High-frequency Devices Tracking System for Magnetic Wireless Marker Using Field Programmable Gate Array…S. Yabukami, K. Takahashi, T. Ozawa, O. Fujioka, T. Nagano, S. […]

CONTENTS Review Article Current Status of Research and Development toward Permanent Magnets Free from Critical Elements …S. Hirosawa Magnetic Recording Influence of Switching Field Distribution on the Transition Jitter in Grain-Position Controlled Granular Media …A. Hara and H. Muraoka Physics of Magnetism Preparation and Characterization of Bi substituted gadolinium iron garnet Films by Metal Organic Decomposition and their Dependence on Annealing Gases…D. A. Wahid, T. Hattori, J. Sato, and H. Shimizu Spin Electronics Fabrication of a Current-Perpendicular to Plane Magneto-resistive Device with a Dry Ice Blasting Lift-off Process…K. Miyake, Y. Hisatsune, M. Tsunoda, and M. Sahashi Measurement Technique, High-frequency Devices Permeability Measurements of Very Thin Magnetic Film Using a Flexible […]

CONTENTS Magnetic Recording Effect of Structure and Properties of Magnetic Material on Diffraction Efficiency of Magnetophotonic Crystal Media for Magnetic Volumetric Holography R. Isogai, T. Goto, H. Takagi, Y. Nakamura, P. B. Lim, and M. Inoue Thin Films, Fine Particles, Multilayers, and Superlattices Theoretical evaluation of perpendicular magnetic anisotropy of bct–Fe50Co50 stacked on Rh K. Hyodo, Y. Kota, and A. Sakuma Colorized Magneto-optic Three Dimensional Display Using Optical Space Division Method H. Takagi, K. Nakamura, K. Kudo, T. Goto, P. B. Lim, and M. Inoue Measurement Technique, High-frequency Devices Measurement Method of Remanence of Volcanic Rock by Needle-Type Magnetic Probe T. Minamitani, D. Wakaura, S. Yamada, H. Sakai, and J. […]

CONTENTS Review Article Fast Magnetization Precession and Damping for Magnetic Films with High Perpendicular Magnetic Anisotropy S. Mizukami1 Magnetic Recording Anisotropy Constant Required for Thermally Assisted Magnetic Recording T. Kobayashi, Y. Isowaki, and Y. Fujiwara8 Thin Films, Fine Particles, Multilayers, and Superlattices Influence of Thickness on the Metastable Ordered Phase Formation in CoPt and Co3Pt Alloy Films M. Ohtake, D. Suzuki, M. Futamoto, F. Kirino, and N. Inaba15 Power Magnetics Optimum Yoke Shape Designs for Enhancing Flux Density in Dual-Halbach Arrayed Permanent Magnets S. Isogami, and H. Matsumoto21 Method of Wireless Power Transfer for High Efficiency and High Output Stability Y. Ota, N. Aruga, S. Miyahara, F. Sato, and H. […]

CONTENTS Magnetic Recording Reduced Field-driven Domain Wall Injection Field In Permalloys Nanowires Obtained by Destroying Symmetry…H.-Y. Lu, K.-C. Hu, F.-S. Wu, Y.-M. Kao, J.-C. Wu and L. Horng

CONTENTS Thin Films, Fine Particles, Multilayers, Superlattices Structural Characterization of Co Thin Film with bcc-Based A2 Structure Epitaxially Grown on GaAs(100) Single-Crystal Substrate … S. Minakawa, M. Ohtake, D. Suzuki, N. Inaba, and M. Futamoto Power Magnetics A Consideration of High-Speed SR Motor for Electric Power Tools … K. Isobe, K. Nakamura, and O. Ichinokura