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  1. First-principles study of magnetic and spin-dependent transport properties of

    Article • Physical Review Materials, June 2026, American Physical Society (APS)

    Professor Atsufumi Hirohata

  2. Compensated ferrimagnetic Heusler alloys: A search for the forgotten Neel's L -type...

    Article • Physical Review Materials, March 2026, American Physical Society (APS)

    Professor Atsufumi Hirohata

  3. Machine learning for the development of new materials for a magnetic tunnel junction

    Article • npj Spintronics, July 2025, Springer Science + Business Media

    Professor Atsufumi Hirohata

  4. Characteristic frequencies in magnetic and spintronic phenomena

    Article • Newton, July 2025, Elsevier

    Professor Atsufumi Hirohata

  5. Magnetics for Future Transportation: From Memory to Motors

    Article • IEEE Magnetics Letters, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  6. Current-induced crystallisation in a Heusler-alloy-based giant magnetoresistive junction for neuromorphic potentiation

    Article • Journal of Magnetism and Magnetic Materials, April 2023, Elsevier

    Professor Atsufumi Hirohata

  7. Half-Metallic Bandgap Measurement Using Circularly Polarized Infrared Light

    Article • SPIN, March 2023, World Scientific Pub Co Pte Lt

    Professor Atsufumi Hirohata

  8. Antiferromagnetic Films and Their Applications

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

    Professor Atsufumi Hirohata, Hiroaki Sukegawa

  9. Materials Informatics for the Development and Discovery of Future Magnetic Materials

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

    Professor Atsufumi Hirohata

  10. MRAM makes its mark

    Article • Nature Electronics, December 2022, Springer Science + Business Media

    Professor Atsufumi Hirohata

  11. Heusler alloys for metal spintronics

    Article • MRS Bulletin, June 2022, Springer Science + Business Media

    Professor Atsufumi Hirohata

  12. Control of perpendicular magnetic anisotropy at the Fe/MgO interface by phthalocyanine insertion

    Article • May 2022, American Physical Society (APS)

    Professor Atsufumi Hirohata

  13. Perpendicular Anisotropy Controlled by Seed and Capping Layers of Heusler-Alloy Films

    Article • IEEE Transactions on Electron Devices, April 2022, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  14. Advances in Antiferromagnetic Spintronics

    Article • Magnetochemistry, March 2022, MDPI AG

    Professor Atsufumi Hirohata

  15. The role of industrial actors in the circular economy for critical raw materials: a framework with case studies across a range of industries

    Article • Mineral Economics, February 2022, Springer Science + Business Media

    Professor Atsufumi Hirohata

  16. Growth and Characterisation of Antiferromagnetic Ni2MnAl Heusler Alloy Films

    Article • Magnetochemistry, September 2021, MDPI AG

    Professor Atsufumi Hirohata

  17. Revealing the importance of interfaces for pure spin current transport

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

    Professor Atsufumi Hirohata

  18. Thermally assisted magnetisation reversal

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

    Professor Atsufumi Hirohata

  19. Global snapshot of the effects of the COVID-19 pandemic on the research activities of materials scientists between Spring and Autumn 2020

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

    Professor Atsufumi Hirohata

  20. 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

  21. Magnetic braille using ferrofluids

    Article • Journal of Physics D Applied Physics, March 2021, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  22. Non-Destructive Imaging on Synthesised Nanoparticles

    Article • Materials, January 2021, MDPI AG

    Professor Atsufumi Hirohata

  23. Review on spintronics: Principles and device applications

    Article • Journal of Magnetism and Magnetic Materials, September 2020, Elsevier

    Professor Atsufumi Hirohata

  24. The 2020 magnetism roadmap

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

    Professor Denis D Sheka, Professor Atsufumi Hirohata

  25. Magnetic tunnel junctions with metastable bcc Co3Mn electrodes

    Article • Applied Physics Express, August 2020, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  26. Opportunities and challenges for spintronics in the microelectronics industry

    Article • Nature Electronics, August 2020, Springer Science + Business Media

    Professor Atsufumi Hirohata

  27. Anisotropy in antiferromagnets

    Article • Journal of Applied Physics, July 2020, American Institute of Physics

    Professor Atsufumi Hirohata

  28. Experimental inspection of a computationally-designed NiCrMnSi Heusler alloy with high Curie temperature

    Article • Japanese Journal of Applied Physics, June 2020, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  29. A review of methods and data to determine raw material criticality

    Article • Resources Conservation and Recycling, April 2020, Elsevier

    Professor Atsufumi Hirohata

  30. Non-destructive imaging for quality assurance of magnetoresistive random-access memory junctions

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

    Professor Atsufumi Hirohata

  31. Switching of Skyrmion chirality by local heating

    Article • Scientific Reports, September 2019, Springer Science + Business Media

    Professor Atsufumi Hirohata

  32. Controllability of cupric particle synthesis by linear alcohol chain number as additive and pH control in cupric acetate solution using X-ray radiolysis

    Article • Journal of Synchrotron Radiation, September 2019, International Union of Crystallography

    Akinobu Yamaguchi, Professor Atsufumi Hirohata

  33. Magnetic tunnel junctions with a B2 -ordered CoFeCrAl equiatomic Heusler alloy

    Article • Physical Review Materials, August 2019, American Physical Society (APS)

    Professor Atsufumi Hirohata

  34. In-plane and perpendicular exchange bias effect induced by an antiferromagnetic D019 Mn2FeGa thin film

    Article • Journal of Magnetism and Magnetic Materials, August 2019, Elsevier

    Professor Atsufumi Hirohata

  35. Low-temperature crystallisation of Heusler alloy films with perpendicular magnetic anisotropy

    Article • Journal of Magnetism and Magnetic Materials, August 2019, Elsevier

    Professor Atsufumi Hirohata

  36. Fabrication of magnetic tunnel junctions with a metastable bcc Co3Mn disordered alloy as a bottom electrode

    Article • Japanese Journal of Applied Physics, July 2019, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  37. Thermal stability of exchange bias systems based on MnN

    Article • Journal of Magnetism and Magnetic Materials, April 2019, Elsevier

    Professor Atsufumi Hirohata

  38. Structural and antiferromagnetic characterization of noncollinear D019 Mn3Ge polycrystalline film

    Article • Journal of Magnetism and Magnetic Materials, March 2019, Elsevier

    Professor Atsufumi Hirohata

  39. Magnetic Force Microscopy for Magnetic Recording and Devices

    Article • January 2019, Springer Science + Business Media

    Professor Atsufumi Hirohata

  40. Growth and characterisation of ferromagnetic and antiferromagnetic Fe2+x V y Al Heusler alloy films

    Article • Journal of Physics D Applied Physics, July 2018, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  41. Chemical and structural analysis on magnetic tunnel junctions using a decelerated scanning electron beam

    Article • Scientific Reports, May 2018, Springer Science + Business Media

    Professor Atsufumi Hirohata

  42. Large exchange bias induced by polycrystalline Mn3Ga antiferromagnetic films with controlled layer thickness

    Article • Journal of Physics D Applied Physics, May 2018, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  43. Heusler alloys with bcc tungsten seed layers for GMR junctions

    Article • Journal of Magnetism and Magnetic Materials, May 2018, Elsevier

    Professor Atsufumi Hirohata

  44. Magneto-optical detection of spin accumulation under the influence of mechanical rotation

    Article • Scientific Reports, January 2018, Springer Science + Business Media

    Professor Atsufumi Hirohata

  45. Perpendicular Magnetic Anisotropy in Heusler Alloy Films and Their Magnetoresistive Junctions

    Article • Materials, January 2018, MDPI AG

    Professor Atsufumi Hirohata

  46. Spintronics based random access memory: a review

    Article • Materials Today, November 2017, Elsevier

    Rachid Sbiaa, Professor Atsufumi Hirohata

  47. Development of antiferromagnetic Heusler alloys for the replacement of iridium as a critically raw material

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

    Professor Atsufumi Hirohata

  48. Magnetic and structural properties of antiferromagnetic Mn2VSi alloy films grown at elevated temperatures

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

    Professor Atsufumi Hirohata

  49. Fabrication of Epitaxial Fe3O4 Film on a Si(111) Substrate

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

    Professor Atsufumi Hirohata

  50. Integration of antiferromagnetic Heusler compound Ru2MnGe into spintronic devices

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

    Professor Atsufumi Hirohata

  51. Growth and characterisation of antiferromagnetic polycrystalline Mn3Ga films

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

    Professor Atsufumi Hirohata

  52. Exchange bias induced at a Co2FeAl0.5Si0.5/Cr interface

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

    Professor Atsufumi Hirohata

  53. The antiphase boundary in half-metallic Heusler alloy Co2Fe(Al,Si): atomic structure, spin polarization reversal, and domain wall effects

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

    Professor Atsufumi Hirohata

  54. Highly Efficient Spin-Current Operation in a Cu Nano-Ring

    Article • Scientific Reports, November 2016, Springer Science + Business Media

    Professor Atsufumi Hirohata

  55. Realisation of magnetically and atomically abrupt half-metal/semiconductor interface: Co2FeSi0.5Al0.5/Ge(111)

    Article • Scientific Reports, November 2016, Springer Science + Business Media

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  56. Non-destructive imaging of buried electronic interfaces using a decelerated scanning electron beam

    Article • Nature Communications, September 2016, Springer Science + Business Media

    Professor Atsufumi Hirohata

  57. Controlling the half-metallicity of Heusler/Si(1 1 1) interfaces by a monolayer of Si–Co–Si

    Article • Journal of Physics Condensed Matter, August 2016, Institute of Physics Publishing

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  58. Perpendicular Anisotropy in Heusler Alloy Layers Induced by a V Seed Layer

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

    Professor Atsufumi Hirohata

  59. Exchange bias effects in Heusler alloy Ni2MnAl/Fe bilayers

    Article • Journal of Physics D Applied Physics, May 2016, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  60. The role of chemical structure on the magnetic and electronic properties of Co2FeAl0.5Si0.5/Si(111) interface

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

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  61. The effect of atomic structure on interface spin-polarization of half-metallic spin valves: Co2MnSi/Ag epitaxial interfaces

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

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  62. Exchange Bias of Polycrystalline Heusler Alloy Thin Films

    Article • November 2015, Springer Science + Business Media

    Professor Atsufumi Hirohata

  63. Heusler Alloy Films for Spintronic Devices

    Article • November 2015, Springer Science + Business Media

    Professor Atsufumi Hirohata

  64. 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

  65. Direct band-gap measurement on epitaxial Co2FeAl0.5Si0.5 Heusler-alloy films

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

    Professor Atsufumi Hirohata

  66. Optimisation of geometrical ratchets for spin-current amplification

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

    Professor Atsufumi Hirohata

  67. Domain wall pinning for racetrack memory using exchange bias

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

    Professor Atsufumi Hirohata

  68. Dependence of Curie temperature on Pt layer thickness in Co/Pt system

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

    Professor Atsufumi Hirohata

  69. FOREWORD

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

    Professor Atsufumi Hirohata

  70. POLYCRYSTALLINE CO-BASED FULL-HEUSLER-ALLOY FILMS FOR SPINTRONIC DEVICES

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

    Professor Atsufumi Hirohata

  71. Spin-current signal amplification by a geometrical ratchet

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

    Professor Atsufumi Hirohata

  72. New Bandgap Measurement Technique for a Half-Metallic Ferromagnet

    Article • IEEE Transactions on Magnetics, November 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  73. Domain wall pinning for racetrack memory using exchange bias

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

    Professor Atsufumi Hirohata

  74. Over 50% reduction in the formation energy of Co-based Heusler alloy films by two-dimensional crystallisation

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

    Professor Atsufumi Hirohata

  75. Correlations between atomic structure and giant magnetoresistance ratio in Co2(Fe,Mn)Si spin valves

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

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  76. Growth of polycrystalline Heusler alloys for spintronic devices

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

    Professor Atsufumi Hirohata

  77. Investigation of the temperature-dependence of ferromagnetic resonance and spin waves in Co2FeAl0.5Si0.5

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

    Professor Atsufumi Hirohata

  78. Optimization of exchange bias in Co2FeAl0.5Si0.5 Heusler alloy layers

    Article • Journal of Applied Physics, May 2014, American Institute of Physics

    Professor Atsufumi Hirohata

  79. Future perspectives for spintronic devices

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

    Professor Atsufumi Hirohata

  80. Effect of grain cutting in exchange biased nanostructures

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

    Professor Atsufumi Hirohata

  81. The Effect of Cobalt-Sublattice Disorder on Spin Polarisation in Co2FexMn1−xSi Heusler Alloys

    Article • Materials, February 2014, MDPI AG

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  82. Correlation of Microstructure and Transport Properties of Multilayered Graphene Spin Valves on SiO2/Si

    Article • Journal of Physics Conference Series, November 2013, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  83. Heusler-alloy films for spintronic devices

    Article • Applied Physics A, March 2013, Springer Science + Business Media

    Professor Atsufumi Hirohata

  84. Uniaxial anisotropy of two-magnon scattering in an ultrathin epitaxial Fe layer on GaAs

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

    Professor Atsufumi Hirohata

  85. Correlating the interface structure to spin injection in abrupt Fe/GaAs(001) films

    Article • Physical Review B, January 2013, American Physical Society (APS)

    Professor Atsufumi Hirohata

  86. Room-temperature structural ordering of a Heusler compound Fe3Si

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

    Professor Atsufumi Hirohata

  87. Effect of Interface Structure on Exchange Biased Heusler Alloy Films

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  88. Effect of Seed Layers on Polycrystalline ${\rm Co}_{2}{\rm FeSi}$ Thin Films

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  89. Magnetic Properties of Epitaxial Co-Evaporated Fe:MgO Anti-Granular Films

    Article • IEEE Transactions on Magnetics, November 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  90. 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

  91. Observation of Magnetic-Switching and Multiferroic-Like Behavior of Co Nanoparticles in a C60Matrix

    Article • Advanced Functional Materials, June 2012, Wiley

    Professor Atsufumi Hirohata

  92. Growth and characterization of thin Cu-phthalocyanine films on MgO(001) layer for organic light-emitting diodes

    Article • Nanoscale Research Letters, January 2012, Springer Science + Business Media

    Professor Atsufumi Hirohata

  93. Layer-by-layer crystallization of Co2FeSi Heusler alloy thin films

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

    Professor Atsufumi Hirohata

  94. Temperature estimation in a ferromagnetic Fe–Ni nanowire involving a current-driven domain wall motion

    Article • Journal of Physics Condensed Matter, December 2011, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  95. Activation Volumes in Co$_{2}$FeSi Thin Films

    Article • IEEE Transactions on Magnetics, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  96. Atomic Interfacial Structures in Fe/GaAs Films

    Article • IEEE Transactions on Magnetics, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  97. Enhancement of Exchange Bias in the ${\rm Co}_{2}{\rm FeSi/IrMn}$ System

    Article • IEEE Transactions on Magnetics, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  98. Spin-transfer-torque-induced phenomena

    Article • Journal of Physics D Applied Physics, September 2011, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  99. Effect of grain size on exchange-biased Heusler alloys

    Article • Journal of Physics D Applied Physics, August 2011, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  100. The effect of film and interface structure on the transport properties of Heusler based current-perpendicular-to-plane spin valves

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

    Professor Atsufumi Hirohata, Dr Philip J Hasnip

  101. Optimization of exchange-biased Heusler alloys

    Article • Journal of Physics D Applied Physics, March 2011, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  102. Interfacial structure and transport properties of Fe/GaAs(001)

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

    Professor Atsufumi Hirohata

  103. Schottky Barrier Height in Fe/GaAs Films

    Article • IEEE Transactions on Magnetics, June 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  104. 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

  105. Si segregation in polycrystalline Co2MnSi films with grain-size control

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

    Professor Atsufumi Hirohata

  106. Current manipulation of a vortex confined in a micron-sized Fe19Ni81 disk

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

    Professor Atsufumi Hirohata

  107. Anomalous Hall voltage rectification and quantized spin-wave excitation induced by simultaneous application of dc and rf currents in a single-layeredNi81Fe19nanoscale wire

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

    Professor Atsufumi Hirohata

  108. Observation of a bias-dependent constrained magnetic wall in a Ni point contact

    Article • Physical Review B, December 2008, American Physical Society (APS)

    Professor Atsufumi Hirohata

  109. Spin polarization control through resonant states in an Fe/GaAs Schottky barrier

    Article • Physical Review B, December 2008, American Physical Society (APS)

    Professor Atsufumi Hirohata

  110. Broadband ferromagnetic resonance ofNi81Fe19wires using a rectifying effect

    Article • Physical Review B, September 2008, American Physical Society (APS)

    Professor Atsufumi Hirohata

  111. DC electrical response and impedance change induced by a microwave signal in a patterned ferromagnetic wire

    Article • August 2008, SPIE

    Professor Atsufumi Hirohata

  112. A silicon metal-oxide-semiconductor field-effect transistor Hall bar for scanning Hall probe microscopy

    Article • Review of Scientific Instruments, August 2008, American Institute of Physics

    Professor Atsufumi Hirohata

  113. Effect of ferromagnetism on AB oscillations in a normal-metal ring

    Article • Physical Review B, April 2008, American Physical Society (APS)

    Professor Atsufumi Hirohata

  114. Domain formation induced by perpendicular spin injection

    Article • Journal of Magnetism and Magnetic Materials, March 2007, Elsevier

    Professor Atsufumi Hirohata

  115. Current-induced vortex-vortex switching in a nanopillar comprising two Co nano-rings

    Article • Applied Physics Letters, February 2007, American Institute of Physics

    Professor Atsufumi Hirohata

  116. Magnetic characterization and switching of Co nanorings in current-perpendicular-to-plane configuration

    Article • Applied Physics Letters, January 2007, American Institute of Physics

    Professor Atsufumi Hirohata

  117. Temperature dependence of intrinsic switching current of a Co nanomagnet

    Article • Applied Physics Letters, December 2006, American Institute of Physics

    Professor Atsufumi Hirohata

  118. Estimation of local and nonlocal contributions to the current-induced magnetization switching

    Article • Physical Review B, October 2006, American Physical Society (APS)

    Professor Atsufumi Hirohata

  119. Spin-transfer-induced magnetic domain formation

    Article • Journal of Applied Physics, October 2006, American Institute of Physics

    Professor Atsufumi Hirohata

  120. Structural and electrical properties of InSe polycrystalline films and diode fabrication

    Article • Thin Solid Films, July 2006, Elsevier

    Professor Atsufumi Hirohata

  121. Heusler alloy/semiconductor hybrid structures

    Article • Current Opinion in Solid State and Materials Science, April 2006, Elsevier

    Professor Atsufumi Hirohata

  122. Influence of capping layer on the current-induced magnetization switching in magnetic nanopillars

    Article • Journal of Applied Physics, April 2006, American Institute of Physics

    Professor Atsufumi Hirohata

  123. 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

  124. Magnetic properties of epitaxial Co/sub 2/Cr/sub 1-x/Fe/sub x/Al full Heusler alloy thin films with the L2/sub 1/ structure

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

    Professor Atsufumi Hirohata

  125. Distinctive current-induced magnetization switching in a current-perpendicular-to-plane giant-magnetoresistance nanopillar with a synthetic antiferromagnet free layer

    Article • Applied Physics Letters, June 2005, American Institute of Physics

    Professor Atsufumi Hirohata

  126. Magnetic properties of L21-structured Co2(Cr,Fe)Al films grown on GaAs(001) substrates

    Article • Journal of Applied Physics, May 2005, American Institute of Physics

    Professor Atsufumi Hirohata

  127. Structural and magnetic properties of epitaxial L21-structured Co2(Cr,Fe)Al films grown on GaAs(001) substrates

    Article • Journal of Applied Physics, May 2005, American Institute of Physics

    Professor Atsufumi Hirohata

  128. Erratum: Corrigendum: Substantial reduction of critical current for magnetization switching in an exchange-biased spin valve

    Article • Nature Materials, April 2005, Springer Science + Business Media

    Professor Atsufumi Hirohata

  129. Bias voltage effect on tunnel magnetoresistance in fully epitaxial MgO double-barrier magnetic tunnel junctions

    Article • Applied Physics Letters, February 2005, American Institute of Physics

    Professor Atsufumi Hirohata

  130. 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

  131. 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

  132. Tunnel magnetoresistance in fully epitaxial MgO double barrier magnetic tunnel junctions

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

    Professor Atsufumi Hirohata

  133. Spin-dependent quantum oscillations in magnetic tunnel junctions with Ru quantum wells

    Article • Physical Review B, November 2004, American Physical Society (APS)

    Professor Atsufumi Hirohata

  134. Magnetoresistance in tunnel junctions using Co2(Cr,Fe)Al full Heusler alloys

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

    Professor Atsufumi Hirohata

  135. Substantial reduction of critical current for magnetization switching in an exchange-biased spin valve

    Article • Nature Materials, May 2004, Springer Science + Business Media

    Professor Atsufumi Hirohata

  136. Effective Reduction of Critical Current for Current-Induced Magnetization Switching by a Ru Layer Insertion in an Exchange-Biased Spin Valve

    Article • Physical Review Letters, April 2004, American Physical Society (APS)

    Professor Atsufumi Hirohata

  137. Highly efficient spin filtering of ballistic electrons

    Article • Physical Review B, April 2004, American Physical Society (APS)

    Professor Atsufumi Hirohata

  138. 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

  139. Electron spin filtering in ferromagnet/semiconductor heterostructures

    Article • Journal of Physics D Applied Physics, September 2003, Institute of Physics Publishing

    Professor Atsufumi Hirohata

  140. Ballistic spin filtering across ferromagnet/semiconductor interfaces at room temperature

    Article • July 2002, American Physical Society (APS)

    Professor Atsufumi Hirohata

  141. Geometric coercivity scaling in magnetic thin film antidot arrays

    Article • Journal of Magnetism and Magnetic Materials, April 2002, Elsevier

    Professor Atsufumi Hirohata

  142. Influence of crystalline structures on the domain configurations in controlled mesoscopic ferromagnetic wire junctions

    Article • Journal of Applied Physics, January 2002, American Institute of Physics

    Professor Atsufumi Hirohata

  143. Test of ballistic spin-polarized electron transport across ferromagnet/semiconductor Schottky interfaces

    Article • Journal of Applied Physics, January 2002, American Institute of Physics

    Professor Atsufumi Hirohata

  144. Effects of interdot dipole coupling in mesoscopic epitaxial Fe[100] dot arrays

    Article • IEEE Transactions on Magnetics, July 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  145. Correction to "Spin-polarized electron transport processes at the ferromagnet/semiconductor interface"

    Article • IEEE Transactions on Magnetics, July 2001, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  146. Spin-polarized electron transport in ferromagnet/semiconductor hybrid structures (invited)

    Article • Journal of Applied Physics, June 2001, American Institute of Physics

    Professor Atsufumi Hirohata

  147. Domain-wall trapping in controlled mesoscopic ferromagnetic wire junctions

    Article • Journal of Magnetism and Magnetic Materials, May 2001, Elsevier

    Professor Atsufumi Hirohata

  148. Spin-polarized electron transport in a NiFe/GaAs Schottky diode

    Article • Journal of Magnetism and Magnetic Materials, May 2001, Elsevier

    Professor Atsufumi Hirohata

  149. Spin-polarized electron transport in ferromagnet/semiconductor hybrid structures induced by photon excitation

    Article • February 2001, American Physical Society (APS)

    Professor Atsufumi Hirohata

  150. Magnetoresistance of a domain wall at a submicron junction

    Article • June 2000, American Physical Society (APS)

    Professor Atsufumi Hirohata

  151. Domain wall trapping in controlled submicron ferromagnetic elements

    Article • Journal of Applied Physics, May 2000, American Institute of Physics

    Professor Atsufumi Hirohata

  152. Micromagnetism in mesoscopic epitaxial Fe dot arrays

    Article • Journal of Applied Physics, May 2000, American Institute of Physics

    Professor Atsufumi Hirohata

  153. Spin-dependent electron transport in NiFe/GaAs Schottky barrier structures

    Article • Journal of Applied Physics, May 2000, American Institute of Physics

    Professor Atsufumi Hirohata

  154. Domain nucleation processes in mesoscopic Ni80Fe20 wire junctions

    Article • Journal of Applied Physics, March 2000, American Institute of Physics

    Professor Atsufumi Hirohata

  155. Magnetic nanoscale dots on colloid crystal surfaces

    Article • Applied Physics Letters, February 2000, American Institute of Physics

    Professor Atsufumi Hirohata

  156. Magnetic domain studies of permalloy wire-based structures with junctions

    Article • IEEE Transactions on Magnetics, January 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  157. Magnetization reversal in mesoscopic Ni/sub 80/Fe/sub 20/ wires: a magnetic domain launching device

    Article • IEEE Transactions on Magnetics, January 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  158. Spin-polarized electron transport processes at the ferromagnet/semiconductor interface

    Article • IEEE Transactions on Magnetics, January 2000, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  159. Domain wall trapping probed by magnetoresistance and magnetic force microscopy in submicron ferromagnetic wire structures

    Article • Journal of Applied Physics, April 1999, American Institute of Physics

    Professor Atsufumi Hirohata

  160. Easy-axis transition in epitaxial face-centered-cubic Ni80Fe20/Ni/Cu(100)

    Article • Journal of Applied Physics, April 1999, American Institute of Physics

    Professor Atsufumi Hirohata

  161. Spin-dependent electron transport at the ferromagnet/semiconductor interface

    Article • Journal of Applied Physics, April 1999, American Institute of Physics

    Professor Atsufumi Hirohata

  162. Effect of junction geometry on switching field and reversal behavior in permalloy wires

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  163. Influence of lateral geometry on magnetoresistance and magnetisation reversal in Ni/sub 80/Fe/sub 20/ wires

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  164. Magnetic domain evolution in permalloy mesoscopic dots

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  165. Magnetic domain evolution in permalloy mesoscopic dots

    Article • January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  166. Magnetization reversal and magnetic anisotropy in Co network nanostructures

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  167. Pseudo-Hall effect and anisotropic magnetoresistance in a micron-scale Ni/sub 80/Fe/sub 20/ device

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  168. Spin dependent electron transport through the ferromagnet/semiconductor interface induced by photon excitation

    Article • January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  169. Spin-dependent electron transport through the ferromagnet/semiconductor interface induced by photon excitation

    Article • IEEE Transactions on Magnetics, January 1999, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata

  170. Magnetic properties of martensite in Fe-Ni alloy measured by means of scanning probe microscopy

    Article • Journal of Magnetism and Magnetic Materials, January 1998, Elsevier

    Professor Atsufumi Hirohata

  171. Micromagnetic configurations of martensite in Fe-Ni alloys

    Article • Journal of Applied Physics, April 1997, American Institute of Physics

    Professor Atsufumi Hirohata

  172. Influence of crystalline structure on micromagnetic domain formation

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Professor Atsufumi Hirohata