Kyushu University Academic Staff Educational and Research Activities Database
List of Presentations
Kohei Ohnishi Last modified date:2021.06.15

Assistant Professor / Solid State Physics / Department of Physics / Faculty of Sciences


Presentations
1. T. Iwahori, K. Mizokami, R. Matsuda, K. Ohnishi, T. Kimura, Relaxation Process of Spin-Polarized Quasiparticles in a Superconducting Nb Wire, IEEE International Magnetics 2021 (Intermag21), 2021.04.
2. Y. Otani, Y. Fukuma, K. Ohnishi, Spin injection and absorption efficiency in metallic and superconductive lateral spin valves, International Conference on Core Research and Engineering Science of Advanced Materials (Global COE Program) & Third International Conference on Nanospintronics Design and Realization (3rd-ICNDR).
3. K. Ohnishi, T. Kimura, Y. Otani, Spin current injection into a Nb wire in normal and superconducting states, Informal seminar at Massachusetts Institute of Technology.
4. K. Ohnishi, T. Kimura, Y. Otani, Spin current injection into a Nb wire in normal and superconducting states, Informal seminar at IBM Watson Research Center.
5. K. Ohnishi, T. Kimura, Y. Otani, Pure spin current injection into superconducting Nb wire, 9th International Symposium on Foundations of Quantum Mechanics in the Light of New Technology (ISQM-TOKYO'08).
6. K. Ohnishi, T. Kimura, Y. Otani, Pure Spin Current Injection through Superconductive/Normal Metal Ohmic Interface, Okinawa Institute of Science and Technology (OIST) International Workshop (OIST-IWS’09) "Fundamentals of Quantum Mechanics and Its Applications".
7. K. Ohnishi, T. Kimura, Y. Otani, Non-local spin current injection into a superconducting Nb wire, Informal seminar at University of Leeds.
8. T. Wakamura, K. Ohnishi, Y. Niimi & Y. Otani, Large spin accumulation with long spin diffusion length in Cu/MgO/Py lateral spin valves, 6th International School and Conference on Spintronics and Quantum Information Technology (SPINTECH6).
9. T. Wakamura, K. Ohnishi, Y. Niimi & Y. Otani, Generation of large spin accumulation in S/N/S Josephson junctions, 26th International Conference on Low Temperature Physics (LT26).
10. M. Morota, K. Ohnishi, T. Kimura, Y. Otani, Spin Hall effects in Nb, Mo, Pd, and Pt nanowires, 53rd Annual Conference on Magnetism and Magnetic Materials (MMM 2008), 2008.11.
11. K. Ohnishi, T. Kimura, Y. Otani, Pure spin current injection through superconductive/normal metal ohmic interface, 2009 APS March Meeting, 2009.03.
12. K. Ohnishi, T. Kimura, Y. Otani, Pure spin current injection into a superconducting wire, International Conference on Superconductivity and Magnetism (ICSM) 2010, 2010.04.
13. K. Ohnishi, T. Kimura, Y. Otani, Non-local spin current injection into a superconductor, 26th International Conference on Low Temperature Physics (LT26), 2011.08.
14. Y. Ono, K. Ohnishi, S. Yakata, T. Kimura, Spin dynamics in a Nb/Cu/NiFe tri-layered structure, International Union of Materials Research Society International Conference in Asia (IUMRS-ICA) 2014, 2014.08.
15. K. Ohnishi, Y. Ono, T. Nomura, T. Kimura, Spin current reflection due to a superconducting gap in a Nb/Cu/NiFe tri-layered structure, International Union of Materials Research Society International Conference in Asia (IUMRS-ICA) 2014, 2014.08.
16. M. Hidegara, T. Nomura, K. Ohnishi, M. Hara, T. Kimura, Magnetic and transport properties of submicron Gd strip, International Union of Materials Research Society International Conference in Asia (IUMRS-ICA) 2014, 2014.08.
17. M. Kawakita, K. Ohnishi, S. Yamada, T. Kimura, Control of GdOx transform by spin-polarized nanogap electrodes, International Union of Materials Research Society International Conference in Asia (IUMRS-ICA) 2014, 2014.08.
18. Y. Ono, K. Ohnishi, S. Yakata, T. Kimura, Spin dynamics in a Nb/Cu/NiFe tri-layered structure, International Workshop "Nano-Spin Sciences", 2015.02.
19. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin current transport in a Nb/Cu/NiFe tri-layer structure, New Perspectives in Spintronic and Mesoscopic Physics (NPSMP) 2015, 2015.06.
20. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin current transport in a Nb/Cu/NiFe tri-layer structure, 20th International Conference on Magnetism (ICM2015), 2015.07.
21. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin current transport in a Nb/Cu/NiFe tri-layer structure, Korea-Japan Spin-orbit workshop, 2015.11.
22. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin current insulation at a superconducting/normal metal interface, International Workshop "Nano-Spin Sciences", 2015.02.
23. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin current insulation at a superconducting/normal metal interface, International Workshop Nano-Spin Sciences II, 2015.07.
24. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin Current Manipulation Using Superconductor, BIT's 4th Annual World Congress of Advanced Materials-2015 (WCAM-2015), 2015.05.
25. M. Sakamoto, Y. Ono, K. Ohnishi, T. Kimura, Possibility to control the Cooper-pair formation dynamics using multi-terminal spin injection, International Workshop "Nano-Spin Sciences", 2015.02.
26. M. Ishitaki, Y. Ono, K. Ohnishi, T. Kimura, Superconducting properties in ferromagnet/superconductor hybrid nano-structures, ナノスピン変換科学A01班 班内研究会, 2016.04.
27. M. Ishitaki, K. Ohnishi, T. Kimura, Superconducting properties in ferromagnet/superconductor hybrid nano-structures, 9th International Symposium on Metallic Multilayers (MML2016), 2016.06.
28. T. Ogawa, G. Uematsu, T. Nomura, K. Ohnishi, T. Kimura, Spin transport in a nonmagnet/ferromagnet bilayer channel, Korea-Japan Spin-Orbit Workshop 2016, 2016.12.
29. T. Ogawa, G. Uematsu, T. Nomura, K. Ohnishi, T. Kimura, Spin transport in a nonmagnet/ferromagnet bilayer channel, International School on Spintronics & Spin-Orbitronics 2016, 2016.12.
30. K. Ohnishi, Y. Ono, M. Sakamoto, T. Kimura, Spin dependent transport in superconductor/ferromagnet hybrid structure, 平成27年度スピン変換年次報告会, 2016.01.
31. M. Sakamoto, Y. Ono, K. Ohnishi, Takashi Kimura, Possibility to control the Cooper-pair formation dynamics using multi-terminal spin injection, Korea-Japan Spin-Orbit Workshop 2016, 2016.12.
32. M. Sakamoto, Y. Ono, K. Ohnishi, Takashi Kimura, Possibility to control the Cooper-pair formation dynamics using multi-terminal spin injection, International School on Spintronics & Spin-Orbitronics 2016, 2016.12.
33. K. Ohnishi, Y. Ono, M. Ishitaki, T. Kimura, Phase modulation of supercurrent in the multi-layer-based lateral Josephson junction, 9th International Conference on Physics and Applications of Spin-Related Phenomena in Solids (PASPS9), 2016.08.
34. K. Ohnishi, M. Ishitaki, M. Sakamoto, T. Kimura, Phase modulation of supercurrent in the multi-layer-based lateral Josephson junction, International workshop on nano-spin conversion science & quantum spin dynamics (NSCS-QSD) 2016, 2016.10.
35. K. Ohnishi, Y. Ono, M. Sakamoto, M. Ishitaki, T. Kimura, Modulation of Josephson current by ferromagnetic layer in Nb/Cu/NiFe multi-layer structure, ナノスピン変換科学A01班 班内研究会, 2016.04.
36. Y. Ono, M. Sakamoto, K. Ohnishi. T. Kimura, Interplay between the superconducting and magnetic proximity effects in Nb/Cu/NiFe tri-layered structures, 2016 Joint MMM-Intermag Conference, 2016.01.
37. T. Ariki, Y. Takaira, T. Nomura, K. Ohnishi, T. Kimura, Hanle effect in a curved nonmagnetic wire, ナノスピン変換科学A01班 班内研究会, 2016.04.
38. M. Ishitaki, K. Ohnishi, T. Kimura, Experimental demonstration of a Josephson junction under spin current injection, 2016 International Conference on Solid State Devices and Materials (SSDM2016), 2016.09.
39. G. Uematsu, T. Nomura, T. Ogawa, K. Ohnishi, T. Kimura, Efficient thermal spin injection using CoFe-based alloy, Korea-Japan Spin-Orbit Workshop 2016, 2016.12.
40. G. Uematsu, T. Nomura, T. Ogawa, K. Ohnishi, T. Kimura, Efficient thermal spin injection using CoFe-based alloy, International School on Spintronics & Spin-Orbitronics 2016, 2016.12.
41. T. Nomura, T. Ariki, K. Ohnishi, T. Kimura, Temperature dependence of spin relaxation in ferromagnetic/nonmagnetic bilayer channel., 平成29年度「ナノスピン変換科学」研究会, 2017.09.
42. M. Ishitaki, K. Ohnishi, T. Kimura, Superconducting proximity effect on a magnetic domain wall, 2017 International Conference on Solid State Devices and Materials (SSDM2017), 2017.09.
43. N. Asam, K. Ohnishi, K. Yamanoi, T. Kimura, Spin-dependent thermal transport in GMR nanowires, Japan-Korea Spintronics Workshop 2017, 2017.12.
44. K. Ohnishi, M. Ishitaki, T. Kimura, Spin injection into proximity-induced superconducting Cu film, 平成29年度「ナノスピン変換科学」研究会, 2017.09.
45. K. Ohnishi, M. Ishitaki, T. Kimura, Possibility of supercurrent conversion through a magnetic domain wall in a Ni-Fe wire, 9th International School and Conference on Spintronics and Quantum Information Technology (SpinTECH IX), 2017.06.
46. M. Ishitaki, K. Ohnishi, T. Kimura, Possibility of spin-triplet supercurrent generated at the magnetic domain wall in the lateral structure, 28th International Conference on Low Temperature Physics (LT28), 2017.08.
47. K. Ohnishi, M. Sakamoto, M. Ishitaki, T. Kimura, Possibility of Cooper-pair formation controlled by multi-terminal spin injection, 28th International Conference on Low Temperature Physics (LT28), 2017.08.
48. T. Ariki, T. Nomura, K. Ohnishi, T. Kimura, Experimental study on background signal in lateral spin valve, Frontiers in Materials Science (FMS) 2017, 2017.09.
49. T. Ariki, T. Nomura, K. Ohnishi, T. Kimura, Experimental study of spin-independent background signal in nonlocal spin-valve measurement, 平成29年度「ナノスピン変換科学」研究会, 2017.09.
50. K. Ohnishi, M. Ishitaki, T. Kimura, Control of superconductive property of Nb by a ferromagnetic Ni-Fe wire, 平成28年度スピン変換年次報告会, 2017.03.
51. K. Ohnishi, Spin transport in SC/NM bilayer structure, Informal seminar at University of Cambridge, 2018.02.
52. K. Ohnishi, Spin transport in SC/NM bilayer structure, Informal seminar at University College London, 2018.03.
53. D. Ito, T. Ariki, K. Ohnishi, T. Kimura, Resistive Switching Lateral Spin Valve using CoFeAl/Ag Interface, One-day Symposium on Spintronic Properties of Graphene and Related 2D Materials, 2018.11.
54. K. Ohnishi, Non-local spin transport in the lateral structure, Informal seminar at Device Materials Group, 2018.04.
55. N. Asam, T. Ariki, K. Ohnishi, T. Kimura, Influence of Thermoelectric Effect on Thermal Spin Injection, One-day Symposium on Spintronic Properties of Graphene and Related 2D Materials, 2018.11.
56. K. Ohnishi, Experimental demonstration of a Josephson junction under spin current injection, Superconducting Spintronics Mini Conference, 2018.06.
57. K. Ohnishi, D. Yano, T. Kimura, Spin-dependent quasi-particles injection into superconducting Nb, 平成30年度スピン変換年次報告会, 2019.03.
58. D. Ito, T. Ariki, T. Hossain, K. Ohnishi, T. Kimura, Lateral spin valve with memristive switching interface, International School on Spintronics and Korea-Japan Spintronics Workshop - Topological Phenomena in Magnetism -, 2019.01.
59. R. Matsuda, R. Suko, D. Ito, K. Ohnishi, T. Kimura, Electrical Detection of Spin Nernst Effect Using Lateral Spin Valve Structures, Taiwan-Japan Joint Workshop on Condensed Matter Physics for Young Researchers, 2019.11.
60. T. Ariki, N. Asam, K. Ohnishi, T. Kimura, Asymmetric spin signal due to heat transport phenomena in a lateral spin valve, International School on Spintronics and Korea-Japan Spintronics Workshop - Topological Phenomena in Magnetism -, 2019.01.
61. K. Ohnishi, T. Iwahori, D. Yano, T. Kimura, Transport properties in submicron Nb superconducting wire with ferromagnetic electrode, New Perspective in Spin Conversion Science (NPSCS) 2020, 2020.02.
62. S. Obinata, K. Miyazaki, K. Ohnishi, T. Kimura, Influence of Ferromagnetic-Layer Thickness on Dynamical Spin Injection, 65th Annual Conference on Magnetism and Magnetic Materials (MMM2020), 2020.11.