RECENT PUBLICATIONS, Hiroaki Sukegawa (April 1, 2011)

  1. Crystallinity and Transport Properties in Fe/MgAl2O4/Fe(001) Epitaxial Magnetic Tunnel Junctions
    H. Sukegawa, H. Xiu, T. Ohkubo, T. Niizeki, S. Kasai, T. Furubayashi S. Mitani, K. Inomata, and K. Hono
    J. Magn. Soc. Jpn., in-press.

  2. Fully Epitaxial Fe/MgO/Fe(001) Junctions with Nonmagnetic Metal Layer Insertion
    Tomohiko Niizeki, Seiji Mitani, Hiroaki Sukegawa, Shinya Kasai, and Koichiro Inomata
    J. Appl. Phys., in-press.

  3. Current-perpendicular-to-plane spin valves with a Co2Mn(Ga0.5Sn0.5) Heusler alloy
    N. Hase, B. S. D. Ch. S. Varaprasad, T. M. Nakatani, H. Sukegawa, S. Kasai, Y. K. Takahashi, T. Furubayashi, and K. Hono
    J. Appl. Phys. 108, 093916-1~5 (2010).

  4. Temperature dependence of tunneling magnetoresistance in epitaxial magnetic tunnel junctions using a Co2FeAl Heusler alloy electrode
    Wenhong Wang, Hiroaki Sukegawa, and Koichiro Inomata
    Phys. Rev. B 82, 092402-1~4 (2010).

  5. Perpendicular Magnetic Anisotropy of Co2FeAl/Pt Multilayers for Spintronic Devices
    Wenhong Wang, Hiroaki Sukegawa, and Koichiro Inomata
    Appl. Phys. Express. 3, 093002-1~3 (2010).

  6. Aerosol-Assisted Synthesis of Thiol-Functionalized Mesoporous Silica Spheres with Fe3O4 Nanoparticles
    Norihiro Suzuki, Prashant Gupta, Hiroaki Sukegawa, Koichiro Inomata, Satoru Inoue, Yusuke Yamauchi
    Journal of Nanoscience and Nanotechnology 10, 6612-6617 (2010).

  7. Temperature dependence of x-ray absorption spectra in the ferromagnetic Heusler alloys Mn2VAl and Co2FeAl
    P. Klaer, E. Arbelo Jorge, M. Jourdan, W. H. Wang, H. Sukegawa, K. Inomata, and H. J. Elmers
    Phys. Rev. B 82, 024418 (2010).

  8. Structure and transport properties of current-perpendicular-to-plane spin valves using Co2FeAl0.5Si0.5 and Co2MnSi Heusler alloy electrodes
    T. Furubayashi, K. Kodama, T. M. Nakatani, H. Sukegawa, Y. K. Takahashi, K. Inomata, and K. Hono
    J. Appl. Phys. 107, 113917-1~7 (2010).

  9. Interfacial structure and magnetic properties of Co2FeAl0.5Si0.5/MgO heterostructures
    Sameh S. A. Hassan, Yongbing Xu, Atsufumi Hirohata, Hiroaki Sukegawa, Wenhong Wang, Koichiro Inomata, and Gerrit van der Laan
    J. Appl. Phys. 107, 103919 -1~5 (2010).

  10. Tunnel Magnetoresistance with Improved Bias Voltage Dependence in Lattice-Matched Fe/Spinel MgAl2O4/Fe(001) Junctions
    Hiroaki Sukegawa, Huixin Xiu, Tadakatsu Ohkubo, Takao Furubayashi, Tomohiko Niizeki, Wenhong Wang, Shinya Kasai, Seiji Mitani, Koichiro Inomata, and Kazuhiro Hono
    Appl. Phys. Lett. 96, 212505 -1~3 (2010).

  11. Bulk and Interfacial Scatterings in Current-Perpendicular-to-Plane Giant Magnetoresistance with Co2Fe(Al0.5Si0.5) Heusler Alloy Layers and Ag Spacer
    T. M. Nakatani, Takao Furubayashi, Shinya Kasai, Hiroaki Sukegawa, Y. K. Takahashi, Seiji Mitani, and Kazuhiro Hono
    Appl. Phys. Lett. 96, 212501 -1~3 (2010).

  12. Coherent Tunneling and Giant Tunneling Magnetoresistance in Co2FeAl/MgO/CoFe Magnetic Tunneling Junctions
    Wenhong Wang, Enke Liu, Masaya Kodzuka, Hiroaki Sukegawa, Marec Wojcik, Eva Jedryka, G. H. Wu, Koichiro Inomata, Seiji Mitani, and Kazuhiro Hono
    Phys. Rev. B 81, 140402 (R) -1~4 (2010).

  13. Spin-transfer switching in an epitaxial spin-valve nanopillar with a full-Heusler Co2FeAl0.5Si0.5 alloy
    Hiroaki Sukegawa, Shinya Kasai, Takao Furubayashi, Seiji Mitani, and Koichiro Inomata
    Appl. Phys. Lett. 96, 042508-1~3 (2010).

  14. A New Spin-Functional Metal-Oxide-Semiconductor Field-Effect Transistor Based on Magnetic Tunnel Junction Technology: Pseudo-Spin-MOSFET
    Yusuke Shuto, Ryosho Nakane, Wenhong Wang, Hiroaki Sukegawa, Shuu'ichirou Yamamoto, Masaaki Tanaka, Koichiro Inomata, and Satoshi Sugahara
    Appl. Phys. Express 3, 013003-1~3 (2010).

  15. Giant Tunneling Magnetoresistance up to 330% at Room Temperature in Sputter Deposited Co2FeAl/MgO/CoFe Magnetic Tunnel Junctions
    Wenhong Wang, Hiroaki Sukegawa, Rong Shan, Seiji Mitani, and Koichiro Inomata
    Appl. Phys. Lett. 95, 182502-1~3 (2009).

  16. Ferromagnetic Mesostructured Alloys: Design of Ordered Mesostructured Alloys with Multicomponent Metals from Lyotropic Liquid Crystals
    Yusuke Yamauchi, Masaki Komatsu, Minekazu Fuziwara, Yoshihiro Nemoto, Keisuke Sato, Tokihiko Yokoshima, Hiroaki Sukegawa, Kouichiro Inomata, and Kazuyuki Kuroda
    Angewandte Chemie International Edition 48, 7792~7797 (2009).

  17. Demonstration of Half-Metallicity in Fermi-Level-Tuned Heusler Alloy Co2FeAl0.5Si0.5 at Room Temperature
    R. Shan, H. Sukegawa, W. H. Wang, M. Kodzuka, T. Furubayashi, T. Ohkubo, S. Mitani, K. Inomata, and K. Hono
    Phys. Rev. Lett. 102, 246601-1~4 (2009).

  18. Hard X-Ray Photoelectron Spectroscopy of Buried Heusler Compounds
    Siham Ouardi, Benjamin Balke, Andrei Gloskovskii, Gerhard H Fecher, Claudia Felser, Gerd SchNonhense, Takayuki Ishikawa, Tetsuya Uemura, Masafumi Yamamoto, Hiroaki Sukegawa, Wenhong Wang, Koichiro Inomata, Yoshiyuki Yamashita, Hideki Yoshikawa, Shigenori Ueda and Keisuke Kobayashi
    J. Phys. D: Appl. Phys. 42, 084010-1~7 (2009).

  19. Spin-Polarized Tunneling Spectroscopy of Fully-Epitaxial Magnetic Tunnel Junctions Using Co2FeAl0.5Si0.5 Heusler Alloy Electrodes
    Hiroaki Sukegawa, Wenhong Wang, Rong Shan, Tomoya Nakatani, Koichiro Inomata, and Kazuhiro Hono
    Phys. Rev. B 79, 184418-1~6 (2009).

  20. Tunnel Magnetoresistance in Full-Heusler Co2FeAl0.5Si0.5-Based Magnetic Tunnel Junctions
    Hiroaki Sukegawa, W. H. Wang, R. Shan, Koichiro Inomata
    J. Magn. Soc. Jpn. 33, 256-261 (2009) (in Japanese).

  21. Structure and Spin Polarization of Outermost Surface of the Co2FeAl0.5Si0.5 Full-Heusler Alloy Studied by Spin-Polarized Ion-ScatteringSpectroscopy
    T. T. Suzuki, H. Sukegawa, and K. Inomata
    Phys. Rev. B 79, 045423-1~6 (2009).

  22. Current-Perpendicular-to-Plane Giant Magnetoresistance Spin Valves Using Co2MnSi Epitaxial Layers
    Kota Kodama, Takao Furubayashi, Hiroaki Sukegawa, T. M. Nakatani, Koichiro Inomata and K. Hono
    J. Appl. Phys. 105, 07E905-1~3 (2009).

  23. Current-Perpendicular-to-Plane Giant Magnetoresistance in Spin-Valve Structures Using Epitaxial Co2FeAl0.5Si0.5/Ag/Co2FeAl0.5Si0.5 Trilayers
    T. Furubayashi, K. Kodama, H. Sukegawa, Y. K. Takahashi, K. Inomata, and K. Hono
    Appl. Phys. Lett. 93, 122507-1~3 (2008).

  24. Large Tunnel Magnetoresistance in Co2FeAl0.5Si0.5/MgO/Co2FeAl0.5Si0.5 Magnetic Tunnel Junctions Prepared on Thermally Oxidized Si Substrates with MgO Buffer
    Wenhong Wang, Hiroaki Sukegawa, Rong Shan, and Koichiro Inomata
    Appl. Phys. Lett. 93, 182504-1~3 (2008).

  25. Fabrication of Fully Epitaxial Magnetic Tunnel Junctions Using L21-Ordered Co2FeAl0.5Si0.5 Electrodes and Their Tunneling Magnetoresistance Characteristics
    Wenhong Wang, Hiroaki Sukegawa, Rong Shan, and Koichiro Inomata
    Appl. Phys. Lett. 93, 122506-1~3 (2008).

  26. Preparation and Characterization of Highly L21-Ordered Full-Heusler Alloy Co2FeAl0.5Si0.5 Thin Films for Spintronics Device Applications
    Wenhong Wang, Hiroaki Sukegawa, Rong Shan, Takao Furubayashi, and Koichiro Inomata
    Appl. Phys. Lett. 92, 221912-1~3 (2008).

  27. Magnetic Transport Mechanism in Double Ferromagnetic Tunnel Junctions with Two-Dimensional Ferromagnetic Particles
    H. Sukegawa, A. Hirohata, S. Nakamura, N. Tezuka, S. Sugimoto, and K. Inomata
    IEEE Trans. Magn. 41, 2679-2681 (2005).

  28. Magnetoresistance Enhancement in a Double Tunnel Junction with Single Discontinuous Ferromagnetic Layer Insertion
    H. Sukegawa, S. Nakamura, A. Hirohata, N. Tezuka and K. Inomata
    J. Magn. Soc. Jpn. 29, 274-277 (2005) (in Japanese).

  29. Significant Magnetoresistance Enhancement Due to a Cotunneling Process in a Double Tunnel Junction with Single Discontinuous Ferromagnetic Layer Insertion
    H. Sukegawa, S. Nakamura, A. Hirohata, N. Tezuka and K. Inomata
    Phys. Rev. Lett. 94, 068304-1~4 (2005).

  30. Magnetic Switching Properties of Magnetic Tunnel Junctions Using a Synthetic Ferrimagnet Free Layer
    Nozaki, Y. Jiang, H. Sukegawa, N. Tezuka, A. Hirohata, K. Inomata and S. Sugimoto
    J. Appl. Phys. 95, 3745-3748 (2004).

  31. Magnetoresistance of magnetic double tunnel junctions
    Hiroaki Sukegawa, Nobuki Tezuka, Koichiro Inomata and Satoshi Sugimoto
    J. Japan Inst. Metals 68, 74-77 (2004) (in Japanese).

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