All Stories

  1. Evidence for single variant in altermagnetic RuO2(101) thin films

    Article • Nature Communications, September 2025, Springer Science + Business Media

    Hiroaki Sukegawa

  2. High entropy oxide epitaxial films with interface perpendicular magnetic anisotropy and tunnel magnetoresistance effect toward spintronic applications

    Article • Materials Today, September 2025, Elsevier

    Hiroaki Sukegawa

  3. Thickness dependent spin to charge interconversion efficiency in polycrystalline BiSb layers deposited on Si substrate

    Article • Journal of Applied Physics, August 2025, American Institute of Physics

    Hiroaki Sukegawa

  4. Theory for tunnel magnetoresistance oscillation

    Article • Physical Review B, June 2025, American Physical Society (APS)

    Hiroaki Sukegawa

  5. Nanometer-thick Si/Al gradient materials for spin torque generation

    Article • Science Advances, May 2025, American Association for the Advancement of Science

    Hiroaki Sukegawa

  6. Reversal of Spin‐Torque Polarity with Inverting Current Vorticity in Composition‐Graded Layer at the Ti/W Interface

    Article • Advanced Electronic Materials, April 2025, Wiley

    Hiroaki Sukegawa

  7. Interface perpendicular magnetic anisotropy in heterostructures consisting of CoFeB and conductive rock-salt Li–Ti–O

    Article • Journal of Physics D Applied Physics, March 2025, Institute of Physics Publishing

    Hiroaki Sukegawa

  8. Gyro-spintronic material science using vorticity gradient in solids

    Article • Science and Technology of Advanced Materials, February 2025, Taylor & Francis

    Hiroaki Sukegawa

  9. Enhanced tunnel magnetoresistance of Fe/MgGa2O4/Fe(001) magnetic tunnel junctions by interface-tuning with atomic-scale MgO insertion layers

    Article • Applied Physics Letters, January 2025, American Institute of Physics

    Hiroaki Sukegawa

  10. Large perpendicular magnetic anisotropy at Fe/rock-salt-type Cr-oxide interface synthesized via oxygen-driven chemical layer exchange process

    Article • APL Materials, November 2024, American Institute of Physics

    Hiroaki Sukegawa

  11. Incommensurate superlattice modulation surviving down to an atomic scale in sputter-deposited Co/Pt(111) epitaxial multilayered films

    Article • APL Materials, October 2024, American Institute of Physics

    Hiroaki Sukegawa, Jieyuan SONG

  12. Unconventional parametric spin-wave pumping in single-crystal iron films

    Article • Physical Review B, May 2024, American Physical Society (APS)

    Hiroaki Sukegawa

  13. Enhanced orbital torque efficiency in nonequilibrium Ru50Mo50(0001) alloy epitaxial thin films

    Article • APL Materials, March 2024, American Institute of Physics

    Zhenchao Wen, Hiroaki Sukegawa

  14. Nano-crystal domains in Co-based fcc(111) epitaxial magnetic junctions and their impact on tunnel magnetoresistance

    Article • Acta Materialia, December 2023, Elsevier

    Kazuhiro Hono, Hiroaki Sukegawa

  15. Large magnetocapacitance of up to 456% at room temperature in FeCo/MgAl2O4/FeCo(001) magnetic tunnel junctions

    Article • Applied Physics Express, November 2023, Institute of Physics Publishing

    Hiroaki Sukegawa

  16. Charge-to-spin conversion in fully epitaxial Ru/Cu hybrid nanolayers with interface control

    Article • Nanotechnology, June 2023, Institute of Physics Publishing

    Hiroaki Sukegawa

  17. Spin-torque generation using a compositional gradient at the interface between titanium and tungsten thin films

    Article • Physical Review B, May 2023, American Physical Society (APS)

    Hiroaki Sukegawa

  18. 631% room temperature tunnel magnetoresistance with large oscillation effect in CoFe/MgO/CoFe(001) junctions

    Article • Applied Physics Letters, March 2023, American Institute of Physics

    Hiroaki Sukegawa

  19. Antiferromagnetic Films and Their Applications

    Article • IEEE Access, January 2023, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata, Hiroaki Sukegawa

  20. Band-folding-driven high tunnel magnetoresistance ratios in (111)-oriented junctions with SrTiO3 barriers

    Article • Physical Review B, October 2022, American Physical Society (APS)

    Hiroaki Sukegawa

  21. Elemental Doping and Interface Effects on Spin–Orbit Torques in CoSi‐Based Topological Semimetal Thin Films

    Article • Advanced Materials Interfaces, September 2022, Wiley

    Hiroaki Sukegawa

  22. Large magnetocapacitance beyond 420% in epitaxial magnetic tunnel junctions with an MgAl2O4 barrier

    Article • Scientific Reports, May 2022, Springer Science + Business Media

    Hiroaki Sukegawa

  23. Propagating backward-volume spin waves in epitaxial Fe films

    Article • AIP Advances, March 2022, American Institute of Physics

    Hiroaki Sukegawa

  24. Enhanced tunnel magnetoresistance in Fe/Mg4Al-Ox/Fe(001) magnetic tunnel junctions

    Article • Applied Physics Letters, January 2022, American Institute of Physics

    Hiroaki Sukegawa

  25. Strain Engineering of Magnetic Anisotropy in Epitaxial Films of Cobalt Ferrite

    Article • Advanced Materials Interfaces, November 2021, Wiley

    Hiroaki Sukegawa

  26. Revisiting Fe/MgO/Fe(001): Giant tunnel magnetoresistance up to ~420% at room temperature

    Article • August 2021, Institute of Electrical & Electronics Engineers (IEEE)

    Kazuhiro Hono, Hiroaki Sukegawa

  27. Spin Hall effect in a spin-1 chiral semimetal

    Article • Physical Review Research, July 2021, American Physical Society (APS)

    Hiroaki Sukegawa

  28. Quantum-well tunneling anisotropic magnetoresistance above room temperature

    Article • Physical Review B, May 2021, American Physical Society (APS)

    Hiroaki Sukegawa

  29. Heusler alloys for spintronic devices: review on recent development and future perspectives

    Article • Science and Technology of Advanced Materials, March 2021, Taylor & Francis

    Professor Atsufumi Hirohata, Hiroaki Sukegawa

  30. Interfacial giant tunnel magnetoresistance and bulk-induced large perpendicular magnetic anisotropy in (111)-oriented junctions with fcc ferromagnetic alloys: A first-principles study

    Article • Physical Review B, February 2021, American Physical Society (APS)

    Hiroaki Sukegawa

  31. Magnetization switching induced by spin–orbit torque from Co2MnGa magnetic Weyl semimetal thin films

    Article • Applied Physics Letters, February 2021, American Institute of Physics

    Zhenchao Wen, Hiroaki Sukegawa

  32. Exceeding 400% tunnel magnetoresistance at room temperature in epitaxial Fe/MgO/Fe(001) spin-valve-type magnetic tunnel junctions

    Article • Applied Physics Letters, January 2021, American Institute of Physics

    Hiroaki Sukegawa, Kazuhiro Hono

  33. Growth, strain, and spin-orbit torques in epitaxial Ni-Mn-Sb films sputtered on GaAs

    Article • Physical Review Materials, January 2021, American Physical Society (APS)

    Hiroaki Sukegawa

  34. Magnetic, magnetoresistive and low-frequency noise properties of tunnel magnetoresistance sensor devices with amorphous CoFeBTa soft magnetic layers

    Article • Journal of Physics D Applied Physics, December 2020, Institute of Physics Publishing

    Hiroaki Sukegawa

  35. Spin-Resolved Contribution to Perpendicular Magnetic Anisotropy and Gilbert Damping in Interface-Engineered Fe/

    Article • Physical Review Applied, December 2020, American Physical Society (APS)

    Hiroaki Sukegawa

  36. Controlling oxygen distribution of an MgAl2O4 barrier for magnetic tunnel junctions by two-step process

    Article • Applied Physics Letters, September 2020, American Institute of Physics

    Hiroaki Sukegawa, Kazuhiro Hono

  37. Study of Induced Magnetic Anisotropy by Lattice Distortion in Cobalt Ferrite Thin Film Grown on (Mg,Sn)3O4 Buffer Layers

    Article • IEEE Transactions on Magnetics, March 2020, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa

  38. Effect of tungsten doping on perpendicular magnetic anisotropy and its voltage effect in single crystal Fe/MgO(0 0 1) interfaces

    Article • Journal of Physics D Applied Physics, January 2020, Institute of Physics Publishing

    Hiroaki Sukegawa

  39. Perpendicular orbital and quadrupole anisotropies at Fe/MgO interfaces detected by x-ray magnetic circular and linear dichroisms

    Article • Applied Physics Letters, December 2019, American Institute of Physics

    Hiroaki Sukegawa

  40. Comparative study of spin-dependent transport in Co2FeAl/MgAl2O4/CoFe magnetic tunnel junctions with and without thin CoFe interface insertion: an elastic and inelastic scattering model analysis

    Article • Journal of Physics D Applied Physics, November 2019, Institute of Physics Publishing

    Kazuhiro Hono, Hiroaki Sukegawa

  41. Realizing Room‐Temperature Resonant Tunnel Magnetoresistance in Cr/Fe/MgAl2O4 Quasi‐Quantum Well Structures

    Article • Advanced Science, November 2019, Wiley

    Hiroaki Sukegawa

  42. Realizing Room‐Temperature Resonant Tunnel Magnetoresistance in Cr/Fe/MgAl 2 O 4 Quasi‐Quantum Well Structures

    Article • Advanced Science, August 2019, Wiley

    Hiroaki Sukegawa

  43. Towards Oxide Electronics: a Roadmap

    Article • Applied Surface Science, July 2019, Elsevier

    Kazuhiro Hono, Prof. Dr.-Ing. Thomas Mikolajick, Hiroaki Sukegawa

  44. Control of Magnetic Anisotropy by Lattice Distortion in Cobalt Ferrite Thin Film

    Article • IEEE Transactions on Magnetics, November 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa

  45. Large perpendicular magnetic anisotropy in epitaxial Fe/MgAl2O4(001) heterostructures

    Article • Applied Physics Express, June 2018, Institute of Physics Publishing

    Hiroaki Sukegawa

  46. Optical and Magnetic Properties of Fluorescent Ammonium Silicon Fluoride Microparticles with Magnetic Function

    Article • JOURNAL OF THE ILLUMINATING ENGINEERING INSTITUTE OF JAPAN, June 2018, Illuminating Engineering Society of Japan

    Hiroaki Sukegawa

  47. Microstructural evolution of perpendicular magnetization films with an ultra-thin Co2FeAl/MgAl2O4(001) structure

    Article • Acta Materialia, February 2018, Elsevier

    Kazuhiro Hono, Hiroaki Sukegawa

  48. Giant tunnel magnetoresistance in polycrystalline magnetic tunnel junctions with highly textured MgAl2O4(001) based barriers

    Article • Applied Physics Letters, January 2018, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  49. Investigation of ramped voltage stress to screen defective magnetic tunnel junctions

    Article • Semiconductor Science and Technology, December 2017, Institute of Physics Publishing

    Hiroaki Sukegawa

  50. Nonlinear electric field effect on perpendicular magnetic anisotropy in Fe/MgO interfaces

    Article • Journal of Physics D Applied Physics, September 2017, Institute of Physics Publishing

    Hiroaki Sukegawa

  51. TDDB modeling depending on interfacial conditions in magnetic tunnel junctions

    Article • Semiconductor Science and Technology, September 2017, Institute of Physics Publishing

    Hiroaki Sukegawa

  52. Increased magnetic damping in ultrathin films of Co2FeAl with perpendicular anisotropy

    Article • Applied Physics Letters, June 2017, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  53. Endurance of magnetic tunnel junctions under dynamic voltage stress

    Article • Electronics Letters, June 2017, the Institution of Engineering and Technology (the IET)

    Hiroaki Sukegawa

  54. Spin-wave propagation in cubic anisotropic materials

    Article • NPG Asia Materials, June 2017, Springer Science + Business Media

    Hiroaki Sukegawa

  55. Epitaxial magnetic tunnel junctions with a low barrier height spinel MgGa2O4

    Article • April 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Kazuhiro Hono, Hiroaki Sukegawa

  56. Voltage control of magnetic anisotropy in epitaxial Ru/Co2FeAl/MgO heterostructures

    Article • Scientific Reports, March 2017, Springer Science + Business Media

    Hiroaki Sukegawa

  57. MgGa2O4 spinel barrier for magnetic tunnel junctions: Coherent tunneling and low barrier height

    Article • Applied Physics Letters, March 2017, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  58. Perpendicular magnetic anisotropy at lattice-matched Co2FeAl/MgAl2O4(001) epitaxial interfaces

    Article • Applied Physics Letters, March 2017, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  59. Time-dependent dielectric breakdown of MgO magnetic tunnel junctions and novel test method

    Article • Japanese Journal of Applied Physics, February 2017, Institute of Physics Publishing

    Hiroaki Sukegawa

  60. Effect of Mg-Al insertion on magnetotransport properties in epitaxial Fe/sputter-deposited MgAl2O4/Fe(001) magnetic tunnel junctions

    Article • AIP Advances, December 2016, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  61. Interdiffusion in epitaxial ultrathin Co2FeAl/MgO heterostructures with interface-induced perpendicular magnetic anisotropy

    Article • Applied Physics Express, December 2016, Japan Society of Applied Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  62. Reliability of magnetic tunnel junctions with spinel MgAl2O4 film

    Article • Electronics Letters, November 2016, the Institution of Engineering and Technology (the IET)

    Hiroaki Sukegawa

  63. Li-substituted MgAl2O4barriers for spin-dependent coherent tunneling

    Article • Japanese Journal of Applied Physics, October 2016, Institute of Physics Publishing

    Hiroaki Sukegawa

  64. Tuning the magnetic properties and surface morphology of D022 Mn3-δGa films with high perpendicular magnetic anisotropy by N doping

    Article • Applied Physics Letters, October 2016, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  65. Tunnel Magnetoresistance of Ferromagnetic Antiperovskite MnGaN/MgO/CoFeB Perpendicular Magnetic Tunnel Junctions

    Article • IEEE Transactions on Magnetics, July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa, Kazuhiro Hono

  66. Effect of Mg insertion on time-dependent dielectric breakdown in MgO-based magnetic tunnel junctions

    Article • Electronics Letters, June 2016, the Institution of Engineering and Technology (the IET)

    Hiroaki Sukegawa

  67. Temperature dependence of reliability characteristics for magnetic tunnel junctions with a thin MgO dielectric film

    Article • Semiconductor Science and Technology, June 2016, Institute of Physics Publishing

    Hiroaki Sukegawa

  68. Realization of high quality epitaxial current- perpendicular-to-plane giant magnetoresistive pseudo spin-valves on Si(001) wafer using NiAl buffer layer

    Article • APL Materials, May 2016, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  69. Spin-orbit torque in Cr/CoFeAl/MgO and Ru/CoFeAl/MgO epitaxial magnetic heterostructures

    Article • AIP Advances, May 2016, American Institute of Physics

    Hiroaki Sukegawa

  70. Chemical ordering and large tunnel magnetoresistance in Co2FeAl/MgAl2O4/Co2FeAl(001) junctions

    Article • Applied Physics Express, April 2016, Institute of Physics Publishing

    Hiroaki Sukegawa, Kazuhiro Hono

  71. Effect of Mg insertion on stress-induced resistance drift in MgO-based magnetic tunnel junctions

    Article • Electronics Letters, April 2016, the Institution of Engineering and Technology (the IET)

    Hiroaki Sukegawa

  72. MgAl2O4(001) based magnetic tunnel junctions made by direct sputtering of a sintered spinel target

    Article • Applied Physics Letters, March 2016, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  73. Influence of inverse spin Hall effect in spin-torque ferromagnetic resonance measurements

    Article • Applied Physics Express, January 2016, Institute of Physics Publishing

    Hiroaki Sukegawa

  74. Anisotropic magnetoresistance and current-perpendicular-to-plane giant magnetoresistance in epitaxial NiMnSb-based multilayers

    Article • Journal of Applied Physics, January 2016, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  75. Degradation Characteristics of MgO Based Magnetic Tunnel Junction Caused by Surface Roughness of Ta/Ru Buffer Layers

    Article • Journal of Nanoscience and Nanotechnology, January 2016, American Scientific Publishers

    Hiroaki Sukegawa

  76. Perpendicularly magnetized (001)-textured D022 MnGa films grown on an (Mg0.2Ti0.8)O buffer with thermally oxidized Si substrates

    Article • Journal of Applied Physics, October 2015, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  77. Roadmap for Emerging Materials for Spintronic Device Applications

    Article • IEEE Transactions on Magnetics, October 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa, Professor Atsufumi Hirohata

  78. Order parameters and magnetocrystalline anisotropy of off-stoichiometric D022 Mn2.36Ga epitaxial films grown on MgO (001) and SrTiO3 (001)

    Article • Journal of Applied Physics, July 2015, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  79. Ferromagnetic MnGaN thin films with perpendicular magnetic anisotropy for spintronics applications

    Article • Applied Physics Letters, July 2015, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  80. Electrical manipulation of magnetization switching in Co<inf>2</inf>FeAl alloy based magnetic tunnel junctions with in-plane and perpendicular magnetization

    Article • May 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa

  81. Lattice-matched magnetic tunnel junctions using a Heusler alloy Co2FeAl and a cation-disorder spinel Mg-Al-O barrier

    Article • Applied Physics Letters, December 2014, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  82. Fabrication of pseudo-spin-MOSFETs using a multi-project wafer CMOS chip

    Article • Solid-State Electronics, December 2014, Elsevier

    Hiroaki Sukegawa

  83. SPIN TRANSFER TORQUE SWITCHING AND PERPENDICULAR MAGNETIC ANISOTROPY IN FULL HEUSLER ALLOY Co2FeAl-BASED TUNNEL JUNCTIONS

    Article • SPIN, December 2014, World Scientific Pub Co Pte Lt

    Hiroaki Sukegawa

  84. Perpendicular magnetic anisotropy at the interface between ultrathin Fe film and MgO studied by angular-dependent x-ray magnetic circular dichroism

    Article • Applied Physics Letters, September 2014, American Institute of Physics

    Hiroaki Sukegawa

  85. Post-oxidized Mg-Al-O(001) coherent tunneling barrier in a wide range of resistance-area products

    Article • Applied Physics Letters, September 2014, American Institute of Physics

    Hiroaki Sukegawa

  86. Tunnel Magnetoresistance and Spin-Transfer-Torque Switching in PolycrystallineCo2FeAlFull-Heusler-Alloy Magnetic Tunnel Junctions on AmorphousSi/SiO2Substrates

    Article • Physical Review Applied, August 2014, American Physical Society (APS)

    Hiroaki Sukegawa

  87. Interface perpendicular magnetic anisotropy in Fe/MgAl2O4layered structures

    Article • physica status solidi (RRL) - Rapid Research Letters, August 2014, Wiley

    Hiroaki Sukegawa

  88. A 4-Fold-Symmetry Hexagonal Ruthenium for Magnetic Heterostructures Exhibiting Enhanced Perpendicular Magnetic Anisotropy and Tunnel Magnetoresistance

    Article • Advanced Materials, August 2014, Wiley

    Kazuhiro Hono, Hiroaki Sukegawa

  89. Magnetotransport properties in perpendicularly magnetized tunnel junctions using an ultrathin Fe electrode

    Article • Journal of Physics D Applied Physics, July 2014, Institute of Physics Publishing

    Hiroaki Sukegawa

  90. Quantitative analysis of anisotropic magnetoresistance in Co2MnZ and Co2FeZ epitaxial thin films: A facile way to investigate spin-polarization in half-metallic Heusler compounds

    Article • Applied Physics Letters, April 2014, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  91. Effect of an interface Mg insertion layer on the reliability of a magnetic tunnel junction based on a Co2FeAl full-Heusler alloy

    Article • Journal of the Korean Physical Society, April 2014, Korean Physical Society

    Hiroaki Sukegawa

  92. Direct Synthesis of MOF-Derived Nanoporous Carbon with Magnetic Co Nanoparticles toward Efficient Water Treatment

    Article • Small, March 2014, Wiley

    Hiroaki Sukegawa

  93. Modulation of effective damping constant using spin Hall effect

    Article • Applied Physics Letters, March 2014, American Institute of Physics

    Hiroaki Sukegawa

  94. Thickness dependence of spin torque ferromagnetic resonance in Co75Fe25/Pt bilayer films

    Article • Applied Physics Letters, February 2014, American Institute of Physics

    Hiroaki Sukegawa

  95. Synthesis of porous iron oxide microspheres by a double hydrophilic block copolymer

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Hiroaki Sukegawa

  96. Size-Tunable Magnetofluorescent Nanoparticles as In Vivo Imaging

    Article • MRS Proceedings, January 2014, Springer Science + Business Media

    Hiroaki Sukegawa

  97. Large perpendicular magnetic anisotropy at Fe/MgO interface

    Article • Applied Physics Letters, November 2013, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  98. Low-resistive monocrystalline Mg-Al-O barrier magnetic tunnel junctions for spin-transfer magnetization switching

    Article • Applied Physics Letters, September 2013, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  99. Temperature dependence of magnetoresistive output of pseudo spin valves with Co2Fe(Al1−xSix) Heusler alloys and a Ag spacer

    Article • Journal of Applied Physics, September 2013, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  100. Large anisotropic Fe orbital moments in perpendicularly magnetized Co2FeAl Heusler alloy thin films revealed by angular-dependent x-ray magnetic circular dichroism

    Article • Applied Physics Letters, September 2013, American Institute of Physics

    Hiroaki Sukegawa

  101. Monolithic integration of pseudo-spin-MOSFETs using a custom CMOS chip fabricated through multi-project wafer service

    Article • September 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa

  102. Design and performance of pseudo-spin-MOSFETs using nano-CMOS devices

    Article • December 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa

  103. Enhanced tunnel magnetoresistance in a spinel oxide barrier with cation-site disorder

    Article • Physical Review B, November 2012, American Physical Society (APS)

    Kazuhiro Hono, Hiroaki Sukegawa

  104. The effect of interfaces on magnetic activation volumes in single crystal Co2FeSi Heusler alloy thin films

    Article • Applied Physics Letters, September 2012, American Institute of Physics

    Hiroaki Sukegawa, Professor Atsufumi Hirohata

  105. Evaluation of Spin Hall Angle and Spin Diffusion Length by Using Spin Current-Induced Ferromagnetic Resonance

    Article • Applied Physics Express, July 2012, Institute of Physics Publishing

    Hiroaki Sukegawa

  106. Magnetic Tunnel Junctions with Perpendicular Anisotropy Using a Co$_{2}$FeAl Full-Heusler Alloy

    Article • Applied Physics Express, May 2012, Institute of Physics Publishing

    Hiroaki Sukegawa

  107. Spin-transfer switching in full-Heusler Co2FeAl-based magnetic tunnel junctions

    Article • Applied Physics Letters, April 2012, American Institute of Physics

    Hiroaki Sukegawa

  108. Signature of Coherent Transport in Epitaxial Spinel-Based Magnetic Tunnel Junctions Probed by Shot Noise Measurement

    Article • Applied Physics Express, April 2012, Institute of Physics Publishing

    Hiroaki Sukegawa

  109. 59Co NMR experiment as a probe of electron doping in Co2FeAl1−xSixHeusler alloys

    Article • Physical Review B, March 2012, American Physical Society (APS)

    Hiroaki Sukegawa

  110. Synthesis of Prussian Blue Nanoparticles with a Hollow Interior by Controlled Chemical Etching

    Article • Angewandte Chemie, December 2011, Wiley

    Professor Shuhei Furukawa, Hiroaki Sukegawa

  111. Bi-quadratic interlayer exchange coupling in Co2MnSi/Ag/Co2MnSi pseudo spin-valve

    Article • Journal of Applied Physics, December 2011, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  112. Spin Polarimetry and Magnetic Dichroism on a Buried Magnetic Layer Using Hard X-ray Photoelectron Spectroscopy

    Article • Japanese Journal of Applied Physics, December 2011, Institute of Physics Publishing

    Hiroaki Sukegawa

  113. Size-Tunable Silicon/Iron Oxide Hybrid Nanoparticles with Fluorescence, Superparamagnetism, and Biocompatibility

    Article • Journal of the American Chemical Society, November 2011, American Chemical Society (ACS)

    Hiroaki Sukegawa

  114. Correlation between symmetry-selective transport and spin-dependent resonant tunneling in fully epitaxial Cr/ultrathin-Fe/MgO/Fe(001) magnetic tunnel junctions

    Article • Applied Physics Letters, October 2011, American Institute of Physics

    Hiroaki Sukegawa

  115. Sophisticated Crystal Transformation of a Coordination Polymer into Mesoporous Monocrystalline Ti-Fe-Based Oxide with Room-Temperature Ferromagnetic Behavior

    Article • Chemistry - An Asian Journal, October 2011, Wiley

    Hiroaki Sukegawa

  116. Magnetic dichroism in angle-resolved hard x-ray photoemission from buried layers

    Article • Physical Review B, August 2011, American Physical Society (APS)

    Hiroaki Sukegawa

  117. Publisher’s Note: “Fully epitaxial Fe/MgO/Fe(001) junctions with nonmagnetic metal layer insertion” [J. Appl. Phys. 109, 07C726 (2011)]

    Article • Journal of Applied Physics, June 2011, American Institute of Physics

    Hiroaki Sukegawa

  118. PMA of Heusler arising from Interface

    Article • Applied Physics Letters, June 2011, American Institute of Physics

    Zhenchao Wen, Hiroaki Sukegawa

  119. Spin Dynamics of B2 and L2 1 -Ordered Co 2 FeAl 0.5 Si 0.5 Heusler Alloy Films

    Article • Chinese Physics Letters, June 2011, Institute of Physics Publishing

    Hiroaki Sukegawa

  120. Tunnel magnetoresistance in textured Co2FeAl/MgO/CoFe magnetic tunnel junctions on a Si/SiO2 amorphous substrate

    Article • Applied Physics Letters, May 2011, American Institute of Physics

    Hiroaki Sukegawa

  121. Fully epitaxial Fe/MgO/Fe(001) junctions with nonmagnetic metal layer insertion

    Article • Journal of Applied Physics, April 2011, American Institute of Physics

    Hiroaki Sukegawa

  122. Effect of annealing on Co2FeAl0.5Si0.5thin films: A magneto-optical and x-ray absorption study

    Article • Physical Review B, March 2011, American Physical Society (APS)

    Hiroaki Sukegawa

  123. Current-perpendicular-to-plane spin valves with a Co2Mn(Ga0.5Sn0.5) Heusler alloy

    Article • Journal of Applied Physics, November 2010, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  124. Aerosol-Assisted Synthesis of Thiol-Functionalized Mesoporous Silica Spheres with Fe3O4 Nanoparticles

    Article • Journal of Nanoscience and Nanotechnology, October 2010, American Scientific Publishers

    Hiroaki Sukegawa

  125. Temperature dependence of tunneling magnetoresistance in epitaxial magnetic tunnel junctions using aCo2FeAlHeusler alloy electrode

    Article • Physical Review B, September 2010, American Physical Society (APS)

    Hiroaki Sukegawa

  126. Perpendicular Magnetic Anisotropy of Co2FeAl/Pt Multilayers for Spintronic Devices

    Article • Applied Physics Express, August 2010, Institute of Physics Publishing

    Hiroaki Sukegawa

  127. Temperature dependence of x-ray absorption spectra in the ferromagnetic Heusler alloysMn2VAlandCo2FeAl

    Article • Physical Review B, July 2010, American Physical Society (APS)

    Hiroaki Sukegawa

  128. Structure and transport properties of current-perpendicular-to-plane spin valves using Co2FeAl0.5Si0.5 and Co2MnSi Heusler alloy electrodes

    Article • Journal of Applied Physics, June 2010, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  129. Bulk and interfacial scatterings in current-perpendicular-to-plane giant magnetoresistance with Co2Fe(Al0.5Si0.5) Heusler alloy layers and Ag spacer

    Article • Applied Physics Letters, May 2010, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  130. Tunnel magnetoresistance with improved bias voltage dependence in lattice-matched Fe/spinel MgAl2O4/Fe(001) junctions

    Article • Applied Physics Letters, May 2010, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  131. Interfacial structure and magnetic properties of Co2FeAl0.5Si0.5/MgO heterostructures

    Article • Journal of Applied Physics, May 2010, American Institute of Physics

    Hiroaki Sukegawa, Professor Atsufumi Hirohata

  132. Coherent tunneling and giant tunneling magnetoresistance inCo2FeAl/MgO/CoFemagnetic tunneling junctions

    Article • Physical Review B, April 2010, American Physical Society (APS)

    Kazuhiro Hono, Hiroaki Sukegawa

  133. Spin-transfer switching in an epitaxial spin-valve nanopillar with a full-Heusler Co2FeAl0.5Si0.5 alloy

    Article • Applied Physics Letters, January 2010, American Institute of Physics

    Hiroaki Sukegawa

  134. A New Spin-Functional Metal–Oxide–Semiconductor Field-Effect Transistor Based on Magnetic Tunnel Junction Technology: Pseudo-Spin-MOSFET

    Article • Applied Physics Express, January 2010, Institute of Physics Publishing

    Hiroaki Sukegawa

  135. Giant tunneling magnetoresistance up to 330% at room temperature in sputter deposited Co2FeAl/MgO/CoFe magnetic tunnel junctions

    Article • Applied Physics Letters, November 2009, American Institute of Physics

    Hiroaki Sukegawa

  136. Ferromagnetic Mesostructured Alloys: Design of Ordered Mesostructured Alloys with Multicomponent Metals from Lyotropic Liquid Crystals

    Article • Angewandte Chemie, October 2009, Wiley

    Hiroaki Sukegawa

  137. Demonstration of Half-Metallicity in Fermi-Level-Tuned Heusler AlloyCo2FeAl0.5Si0.5at Room Temperature

    Article • Physical Review Letters, June 2009, American Physical Society (APS)

    Kazuhiro Hono, Hiroaki Sukegawa

  138. Spin-polarized tunneling spectroscopy of fully epitaxial magnetic tunnel junctions usingCo2FeAl0.5Si0.5Heusler alloy electrodes

    Article • Physical Review B, May 2009, American Physical Society (APS)

    Kazuhiro Hono, Hiroaki Sukegawa

  139. Current-perpendicular-to-plane giant magnetoresistance of a spin valve using Co2MnSi Heusler alloy electrodes

    Article • Journal of Applied Physics, April 2009, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  140. Hard x-ray photoelectron spectroscopy of buried Heusler compounds

    Article • Journal of Physics D Applied Physics, March 2009, Institute of Physics Publishing

    Hiroaki Sukegawa

  141. Structure and spin polarization of outermost surface of theCo2FeAl0.5Si0.5full-Heusler alloy studied by spin-polarized ion-scattering spectroscopy

    Article • Physical Review B, January 2009, American Physical Society (APS)

    Hiroaki Sukegawa

  142. Large tunnel magnetoresistance in Co2FeAl0.5Si0.5∕MgO∕Co2FeAl0.5Si0.5 magnetic tunnel junctions prepared on thermally oxidized Si substrates with MgO buffer

    Article • Applied Physics Letters, November 2008, American Institute of Physics

    Hiroaki Sukegawa

  143. Current-perpendicular-to-plane giant magnetoresistance in spin-valve structures using epitaxial Co2FeAl0.5Si0.5/Ag/Co2FeAl0.5Si0.5 trilayers

    Article • Applied Physics Letters, September 2008, American Institute of Physics

    Kazuhiro Hono, Hiroaki Sukegawa

  144. Fabrication of fully epitaxial magnetic tunnel junctions using L21-ordered Co2FeAl0.5Si0.5 electrodes and their tunneling magnetoresistance characteristics

    Article • Applied Physics Letters, September 2008, American Institute of Physics

    Hiroaki Sukegawa

  145. Preparation and characterization of highly L21-ordered full-Heusler alloy Co2FeAl0.5Si0.5 thin films for spintronics device applications

    Article • Applied Physics Letters, June 2008, American Institute of Physics

    Hiroaki Sukegawa

  146. Magnetic transport mechanism in double ferromagnetic tunnel junctions with two-dimensional ferromagnetic particles

    Article • IEEE Transactions on Magnetics, October 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Hiroaki Sukegawa, Professor Atsufumi Hirohata

  147. Significant Magnetoresistance Enhancement due to a Cotunneling Process in a Double Tunnel Junction with Single Discontinuous Ferromagnetic Layer Insertion

    Article • Physical Review Letters, February 2005, American Physical Society (APS)

    Hiroaki Sukegawa, Professor Atsufumi Hirohata

  148. Tunnel magnetoresistance enhancement in ferromagnetic tunnel junctions with ferromagnetic nano-particle layer insertion

    Article • January 2005, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata, Hiroaki Sukegawa

  149. Magnetic switching properties of magnetic tunnel junctions using a synthetic ferrimagnet free layer

    Article • Journal of Applied Physics, April 2004, American Institute of Physics

    Hiroaki Sukegawa, Professor Atsufumi Hirohata

  150. Magnetoresistance of Magnetic Double Tunnel Junctions

    Article • Journal of the Japan Institute of Metals and Materials, January 2004, Japan Institute of Metals

    Hiroaki Sukegawa