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2013 Conferences

  1. M. Natsui, T. Hanyu, N. Sakimura, and T. Sugibayashi,
    "MTJ/MOS-Hybrid Logic-Circuit Design Flow for Nonvolatile Logic-in-Memory LSI",
    2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), May, 2013.
  2. T. Hanyu,
    "Challenge of MTJ/MOS-Hybrid Logic-in-Memory Architecture for Nonvolatile VLSI Processor",
    2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), May, 2013. （invited）
  3. Y. Ma, T. Shibata, and T. Endoh,
    "An MTJ-Based Nonvolatile Associative Memory Architecture With Intelligent Power-Saving Scheme for High-Speed Low-Power Recognition Applications",
    2013 IEEE International Symposium on Circuits and Systems (ISCAS2013), May, 2013.
  4. M. Oogane, H. Saruyama, Y. Kurimoto, H. Naganuma, and Y. Ando,
    "Perpendicularly magnetized L10-ordered MnAl thin films",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  5. K. Mukaiyama, H. Naganuma, M. Oogane, and Y. Ando,
    "Exchange bias properties in rhombohedral and tetragonal BiFeO3/CoFe bilayers",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  6. T. Yu, H. Naganuma, N. Inami, M. Oogane, and Y. Ando,
    "Observation of spin torque diode effect in CoFeB/MgO/CoFeB magnetic tunnel junction with perpendicular magnetic anisotropy",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  7. S. Fukami, H. Sato, M. Yamanouchi, S. Ikeda, and H. Ohno,
    "Monoatomically-layered CoNi film with perpendicular magnetic anisotropy",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  8. H. Sato, R. Koizumi, S. Ikeda, M. Yamanouchi, F. Matsukura, and H. Ohno,
    "(Co100-XFeX)80B20 composition dependence of interface anisotropy in MgO/CoFeB/Ta stack structure",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  9. S. Iihama, S. Mizukami, Q. L. Ma, T. Kubota, H.Naganuma, M. Oogane, Y. Ando, and T. Miyazaki,
    "Precessional magnetization dynamics for Ta/CoFeB/MgO thin films investigated using all-optical pump-probe detection",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  10. H. Naganuma, K. Hatakeyama, Y. Kawada, G. Kim., I. Khan N. Inami., M Oogane, and Y Ando,
    "Spin torque diode effect of millimeter wave using L1o-ordered alloy in magnetic tunnel junctions",
    The 8th International Symposium on Metallic Multilayers (MML2013), May, 2013.
  11. T. Ohsawa, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "A 1-Mb STT-MRAM with Zero-Array Standby Power and 1.5-ns Quick Wake-Up by 8-b Fine-Grained Power Gating",
    2013 International Memory Workshop (IMW), May, 2013.
  12. Y. Yoshida, H. Koike, M. Muraguchi, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "A Model Reflecting Preheat Effect by Two-step Writing Technique for High Speed and Stable STT-MRAM",
    International Workshop on Computational Electronics (IWCE), June, 2013.
  13. H. Koike, T. Ohsawa, and T. Endoh,
    "Verification of Simulation Time Improvement for SPICE Simulator using Built-in MTJ Model",
    International Workshop on Computational Electronics (IWCE), June, 2013.
  14. T. Endoh,
    "Spintronics Based NV-Memory/Logic for High Performance & Low Power Systems",
    2013 Symposium on VLSI Technology, June, 2013. （invited）
  15. H. Sato, M. Yamanouchi, S. Ikeda, S. Fukami, F. Matsukura, and H. Ohno,
    "MgO/CoFeB/Ta/CoFeB/MgO recording structure with low critical current and high thermal stability",
    JSPS York-Tohoku Research Symposium on "Magnetic Materials and Spintronic devices", June, 2013.
  16. T. Hanyu,
    "MTJ-Based Nonvolatile Logic-in-Memory Architecture for Ultra-Low-Power VLSI Chips",
    2013 Spintronics Workshop on LSI, June, 2013. （invited）
  17. M. Oogane, H. Saruyama, Y. Kurimoto, H. Naganuma and Y. Ando,
    "Magnetic tunnel junctions with perpendicularly magnetized L10-ordered MnAl electrode",
    JSPS York-Tohoku Research Symposium on "Magnetic Materials and Spintronic devices", June, 2013. （invited）
  18. S. Matsunaga, N. Sakimura, R. Nebashi, Y. Tsuji, A. Morioka, T. Sugibayashi, S. Miura, H. Honjo, K. Kinoshita, H. Sato, S. Fukami, M. Natsui, A. Mochizuki, S. Ikeda, T. Endoh, H. Ohno, and T. Hanyu,
    "Fabrication of a 99%-Energy-Less Nonvolatile Multi-Functional CAM Chip Using Hierarchical Power Gating for a Massively-Parallel Full-Text-Search Engine",
    2013 Symposium on VLSI Circuits, June, 2013.
  19. T. Ohsawa, S. Miura, K. Kinoshita, H. Honjo, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "A 1.5nsec/2.1nsec Random Read/Write Cycle 1Mb STT-RAM Using 6T2MTJ Cell with Background Write for Nonvolatile e-Memories",
    2013 Symposium on VLSI Circuits, June, 2013.
  20. H. Ohno,
    "What We Can Learn from Ferromagnetism in Semiconductors",
    The 4th International Symposium on Organic and Inorganic Electronic Materials and Related Nanotechnologies (EM-NANO2013), June, 2013. （invited）
  21. T. Endoh,
    "Innovative Si-based Integrated Electronic Systems - Novel Trend with 3D Structual Cell and Spintronics Technology -",
    Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD), June, 2013. （invited）
  22. S. Ohuchida, and T. Endoh,
    "A Study of Time-Resolved Switching Characteristic in Perpendicular Magnetic Tunnel Junction",
    Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices (AWAD), June, 2013.
  23. H. Ohno,
    "Current status and prospect of magnetic tunnel junction",
    7th International Conferenece on Materials for Advanced Technologies (ICMAT), July, 2013. （invited）
  24. H. Ohno,
    "Two and three terminal non-volatile spintronics devices for VLSI applications",
    3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), July, 2013. （invited）
  25. K. Mukaiyama, H. Naganuma, M. Oogane, and Y. Ando,
    "Exchange bias for tetragonal and rhombohedral BiFeO3/CoFe bilayers",
    3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), July, 2013.
  26. S. Fukami, M. Yamanouchi, H. Honjo, K. Kinoshita, K. Tokutome, S. Miura, S. Ikeda, N. Kasai, and H. Ohno,
    "Electrical reliability of Co/Ni wire for domain wall motion devices",
    3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), July, 2013.
  27. T. Yu, H. Naganuma, N. Inami, M. Oogane, and Y. Ando,
    "Detection of bias dependence of spin transfer torque in CoFeB/MgO/CoFeB p-MTJs using spin transfer diode effect",
    3rd International Symposium on Advanced Magnetic Materials and Applications (ISAMMA), July, 2013.
  28. H. Ohno,
    "Introduction to spintronics for integrated circuit applications",
    7th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH VII), July, 2013. （invited）
  29. L. Chen, F. Matsukura, and H. Ohno,
    "DC voltages in (Ga,Mn)As and its adjacent p-GaAs under ferromagnetic resonance",
    7th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH VII), July, 2013.
  30. H. Hanyu,
    "Towards a Nonvolatile VLSI Processor Using MTJ/MOS-Hybrid Logic-in-Memory Architecture",
    13th Non-Volatile Memory Technology Symposium (NVMTS 2013), August, 2013. （invited）
  31. T. Endoh,
    "Spintronics Based NV-Memory/Logic for Low Power Systems",
    13th Non-Volatile Memory Technology Symposium (NVMTS 2013), August, 2013. （invited）
  32. H. S. Chang, S. Akita, F. Matsukura, and H. Ohno,
    "Electric field-effect on magnetic properties of thin (Ga,Mn)Sb layers",
    17th International Conference on Crystal Growth and Epitaxy (ICCGE-17), August, 2013.
  33. M. Yamanouchi, L. Chen, J. Kim, M. Hayashi, H. Sato, S. Fukami, S. Ikeda, F. Matsukura, and H. Ohno,
    "Spin Hall effect in switching of three terminal magnetic tunnel junction with Cu:Ir channel",
    Joint European Symposia on Magnetism (JEMS2013), August, 2013.
  34. H. Sato, M. Yamanouchi, S. Ikeda, S. Fukami, F. Matsukura,and H. Ohno,
    "Switching current and thermal stability of perpendicular-anisotropy CoFeB-MgO based magnetic tunnel junctions",
    International Conference on Applied Mathematics, Modeling and Computational Science AMMCS-2013, August, 2013.
  35. K. Kinoshita, H. Honjo, S. Fukami, R. Nebashi, S. Miura, N. Kasai, S. Ikeda, and H. Ohno,
    "Plasma process induced physical damages on multilayered magnetic films for magnetic domain wall motion",
    Dry Process Symposium 2013 (DPS2013), August, 2013.
  36. H. Ohno,
    "Magnetic Tunnel Junction Technology: Materials and Performance",
    International Conference on Nanoscale Magnetism (ICNM), September, 2013. （invited）
  37. D. Kobayashi, Y. Kakehashi, K. Hirose, S. Onoda, T. Makino, T. Ohshima, S. Ikeda, M. Yamanouchi, H. Sato, E-C. Enobio, T. Endoh, and H. Ohno,
    "Influence of heavy ion irradiation on perpendicular-anisotropy CoFeB-MgO magnetic tunnel junctions",
    Radiation Effects on Components and Systems 2013 (RADECS 2013), September, 2013.
  38. T. Endoh,
    "Impact of 3D structured Memory and Spintronics based NV-Memory for High Performance & Low Power Systems",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013. （invited）
  39. D. Suzuki, M. Natsui, A. Mochizuki, and T. Hanyu,
    "Design of a Three-Terminal MTJ-Based Nonvolatile Logic Element with a 2-ns 64-Bit-Parallel Reconfiguration Capability",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013.
  40. H. Sato, S. Ikeda, S. Fukami, H. Honjo, S. Ishikawa, M. Yamanouchi, K. Mizunuma, F. Matsukura and H. Ohno,
    "Co/Pt multilayer based reference layers in magnetic tunnel junction for novolatile spintronics VLSIs",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013.
  41. R. Nebashi, Y. Tsuji, H. Honjo, N. Sakimura, A. Morioka, K. Tokutome, S. Miura, S. Fukami, M. Yamanouchi, K. Kinoshita, T. Hanyu, T. Endoh, N. Kasai, H. Ohno, and T. Sugibayashi,
    "Demonstration of a Nonvolatile Processor Core Chip with Software-Controlled Three-Terminal MRAM Cells for Standby-Power Critical Applications",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013.
  42. T. Ohsawa, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "Strategy of STT-MRAM Cell Design and Its Power Gating Technique for Low-Voltage and Low-Power Cache Memories",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013. （invited）
  43. T. Ohsawa, S. Miura, H. Honjo, K. Kinoshita, T. Hanyu, S. Ikeda, H. Ohno, and T. Endoh,
    "A 4x4 Nonvolatile Multiplier Using Novel MTJ-CMOS Hybrid Latch and Flip-Flop",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013.
  44. T. Ohsawa, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "Studies on Selective Devices for Spin-Transfer-Torque Magnetic Tunnel Junctions",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013.
  45. H. Koike, T. Ohsawa, S. Miura, H. Honjo, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "Wide Operational Margin Capability of 1kbit STT-MRAM Array Chip with 1-PMOS and 1-Bottom-Pin-MTJ Type Cell",
    2013 International Conference on Solid State Devices and Materials (SSDM 2013), September, 2013.
  46. S. Fukami, H. Ohno,
    "Current-induced magnetic domain wall motion in Co/Ni wire and its application to nonvolatile memory devices",
    150 years diplomatic relation Japan-Switzerland, Swiss-Japanese Nanoscience Workshop, Materials Phenomena at Small Scale, October, 2013. （invited）
  47. H. Ohno,
    "Spintronics Devices for Nonvolatile CMOS VLSIs",
    150 years diplomatic relation Japan-Switzerland, Swiss-Japanese Nanoscience Workshop, Materials Phenomena at Small Scale, October, 2013. （invited）
  48. H. Naganuma,
    "Bi based multiferroic thin films",
    Energy material nanotechnology (EMN) Conference, October, 2013. （invited）
  49. S. Fukami, M. Yamanouchi, K. J. Kim, T. Koyama, D. Chiba, S. Ikeda, N. Kasai, T. Ono, and H. Ohno,
    "Distribution of critical current density for magnetic domain wall motion",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  50. C. Zhang, M. Yamanouchi, H. Sato, S. Fukami, S. Ikeda, F. Matsukura, and H. Ohno,
    "Magnetization reversal induced by in-plane current in Ta/CoFeB/MgO structures with perpendicular magnetic easy axis",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  51. S. Ishikawa, H. Sato, M. Yamanouchi, S. Ikeda, S. Fukami, F. Matsukura, and H. Ohno,
    "Co/Pt multilayer-based magnetic tunnel junctions with thin Ta spacer layer",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  52. H. Sato, Y. Takeuchi, K. Mizunuma, S. Ishikawa, M. Yamanouchi, S. Ikeda, S. Fukami, F. Matsukura, and H. Ohno,
    "Temperature dependence of thermal stability factor of CoFeB-MgO magnetic tunnel junctions with perpendicular easy-axis",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  53. H. Ohno,
    "Material Status and Outlook of STT-Based Memory Technology",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013. （invited）
  54. K. Kinoshita, H. Honjo, K. Tokutome, S. Miura, M. Murahata, K. Mizunuma, H. Sato, S. Fukami, S. Ikeda, N. Kasai, and H. Ohno,
    "Process induced damage by C-O based etching chemistries and its recovery for a CoFeB-MgO magnetic tunnel junction with perpendicular magnetic easy-axis",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  55. H. Koike, T. Ohsawa, S. Miura, H. Honjo, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "MTJ resistance distribution of 1-kbit 1T-1MTJ STT-MRAM cell arrays fabricated on a 300-mm wafer",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  56. H. Honjo, S. Fukami, K. Kinoshita, R. Nebashi, K. Ishihara, K. Tokutome, M. Murahata, N. Sakimura, S. Miura, T. Sugibayashi, N. Kasai, and H. Ohno,
    "Three-terminal magnetic tunneling junction device with perpendicular anisotropy CoFeB sensing layer",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  57. T. Endoh,
    "STT-MRAM and NV-Logic for Low Power Systems",
    International Microprocesses and Nanotechnology Conference (MNC), November, 2013. （invited）
  58. D. Suzuki, M. Natsui, A. Mochizuki, S. Miura, H. Honjo, K. Kinoshita, H. Sato, S. Fukami, S. Ikeda, T. Endoh, H. Ohno, and Takahiro Hanyu,
    "Fabrication of a Perpendicular-MTJ-Based Compact Nonvolatile Programmable Switch Using Shared-Write-Control-Transistor Structure",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  59. S. Iihama, M. Khan, H. Naganuma, M. Oogane, S. Mizukami, Y. Ando, and T. Miyazaki,
    "Magnetization dynamics for L10-FePd thin films with perpendicular magnetic anisotropy",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  60. T. Ohsawa, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "Trend of TMR and Variation in Vth for Keeping Data Load Robustness of MOS/MTJ Hybrid Latches",
    58th Annual Magnetism and Magnetic Materials (MMM) Conference, November, 2013.
  61. N. Sakimura, R. Nebashi, M. Natsui, T. Hanyu, H. Ohno, and T. Sugibayashi,
    "Analysis of Single-Event Upset in MTJ/MOS Hybrid Circuits Employing Calculation of Switching Probability by Radiation-Induced Current",
    58th Annual Magnetism & Magnetic Materials (MMM) Conference, November, 2013.
  62. H. Koike, T. Ohsawa, N. Sakimura, R. Nebashi, Y. Tsuji, A. Morioka, S. Miura, H. Honjo, S. Ikeda, T. Hanyu, H. Ohno, and T. Endoh,
    "A Power-Gated MPU with 3-microsecond Entry/Exit Delay using MTJ-Based Nonvolatile Flip-Flop",
    IEEE Asian Solid-State Circuits Conference (A-SSCC), November, 2013.
  63. H. Ohno,
    "CoFeB-MgO Perpendicular Magnetic Tunnel Junction: Status & Prospects",
    Samsung 2nd STT-MRAM Global Innovation Forum 2013, November, 2013. （invited）
  64. S. Fukami and H. Ohno,
    "Three-terminal magnetic domain wall motion device for spintronics VLSIs",
    International Japanese-French Workshop on Spintronics, November, 2013. （invited）
  65. T. Endoh,
    "STT-MRAM and its NV-Logic applications for Ultimate Power Management",
    SEMATECH-imec Workshop, December, 2013. （invited）
  66. H. Sato, T. Yamamoto, M. Yamanouchi, S. Ikeda, S. Fukami, K. Kinoshita, F. Matsukura, N. Kasai, and H. Ohno,
    "Comprehensive study of CoFeB-MgO magnetic tunnel junction characteristics with single- and double-interface scaling down to 1X nm",
    2013 IEEE International Electron Devices Meeting (IEDM), December, 2013.
  67. S. Fukami, M. Yamanouchi, K.-J. Kim, T. Suzuki, N. Sakimura, D. Chiba, S. Ikeda, T. Sugibayashi, N. Kasai, T. Ono, and H. Ohno,
    "20-nm magnetic domain wall motion memory with ultralow-power operation",
    2013 IEEE International Electron Devices Meeting (IEDM), December, 2013.
  68. T. Endoh,
    "Is there life beyond conventional CMOS? (Evening Panel)",
    2013 IEEE International Electron Devices Meeting (IEDM), December, 2013. （invited）
  69. T. Hanyu,
    "Challenge of MTJ-Based Nonvolatile Logic-in-Memory Architecture Towards Dark-Silicon Logic LSI",
    Workshop on Network on Chip between HKUST and CREST-DVLSI, December, 2013. （invited）
  70. S. Fukami, H. Sato, M. Yamanouchi, S. Ikeda, F. Matsukura, and H. Ohno,
    "Advances in spintronics devices for microelectronics - from spin-transfer torque to spin-orbit torque",
    19th Asia and South Pacific Design Automation Conference (ASP-DAC 2014), January, 2014. （invited）
  71. N. Sakimura, Y. Tsuji, R. Nebashi, H. Honjo, A. Morioka, K. Ishihara, K. Kinoshita, S. Fukami, S. Miura, N. Kasai, T. Endoh, H. Ohno, T. Hanyu, and T. Sugibayashi,
    "A 90-nm 20-MHz Fully Nonvolatile Microcontroller for Standby-power Critical Applications",
    International Solid-State Circuits Conference (ISSCC 2014), February, 2014.
  72. T. Endoh,
    "STT-MRAM and NV-Logic for Low Power Systems",
    SEMICON Korea, February, 2014. （invited）
  73. H. Ohno,
    "Nanoscale magnetic tunnel junction",
    American Physical Society, March Meeting, March, 2014. （invited）
  74. T. Hanyu,
    "Challenge of MTJ/MOS-Hybrid logic LSI based on nonvolatile logic-in-memory architecture for dark silicon applications",
    International Meeting on Spintronics for Intergrated Circuits Applications and Beyond, March, 2014. （invited）
  75. T. Endoh,
    "Spintronics-based Nonvolatile Computing Systems",
    International Meeting on Spintronics for Intergrated Circuits Applications and Beyond, March, 2014. （invited）
  76. H. Ohno,
    "Spintronics: Materials through devices to Integrated Circuits",
    International Meeting on Spintronics for Intergrated Circuits Applications and Beyond, March, 2014. （invited）