Kyushu University Academic Staff Educational and Research Activities Database
List of Papers
Yasukazu Murakami Last modified date:2020.09.29

Professor / Quantum Sciences of Materials / Department of Applied Quantum Physics and Nuclear Engineering / Faculty of Engineering


Papers
1. Youngji Cho, Sujin Lee, Yasuakzu Murakami, Magnetic Flux Density Measurements from Narrow Grain Boundaries Produced in Sintered Permanent Magnets, Microscopy, 10.1093/jmicro/dfaa032, 2020.09.
2. Y. Okada, Y. Murakami, For Microscopy Special Issue on "AI and Imaging", Microscopy, 69, 59-60, 2020.04.
3. Y. Takahashi, T. Akashi, A. Sato, T. Tanigaki, H. Shinada, Y. Murakami, Automated Acquisition of Vast Numbers of Electron Holograms with Atomic-scale Phase Information, Microscopy, 69, 132-139, 2020.04.
4. Y. Cho, T.T. Sasaki, K. Harada, A. Sato, T. Tamaoka, D. Shindo, Ohkubo, K. Hono, and Y. Murakami, Magnetic Flux Density Measurements from Grain Boundary Phase in 0.1 at% Ga-doped Nd-Fe-B Sintered Magnet, Scripta Materialia, 178, 533-538, 2020.01, 強力磁石の開発において、学術的・技術的に重要な研究課題である結晶粒界の磁性を、先進的な電子顕微鏡技術を駆使して明らかにした。.
5. Y. Horibe, M. Ishimatsu, S. Takeyama, S. Mori, M. Kudo, and M. Auchi, M. Tanaka, Y. Murakami , Self-assembled lamellar-type nanostructure in manganite spinel (Co,Mn,Fe)3O4, Appl. Phys. Lett., 115 (2019) 232401(1)-232401(5), 2019.12.
6. N. Kawamoto, H. Ono, Y. Terasaki, Y. Fujikawa, Y. Murakami, and D. Shindo, In-Situ Electric Field Observation of Small Precipitates in BaTiO3 Multilayer Ceramic Capacitors, Mater. Trans., 60 (2019) 2109-2113., 2019.07.
7. N. Nakajima, Y. Horibe, S. Mori, and Y. Murakami, Charged domain walls and crystallographic microstructures in hybrid improper ferroelectric Ca3-xSrxTi2O7, Mater. Trans., 60, 2103-2108, Mater. Trans., 60 (2019) 2103-2108., 2019.07.
8. Y. Cho, K. Niitsu, Y. Midoh, K. Nakamae, D. Shindo, J. M. Yang and Y. Murakami, Suppressing Geometric Phase Shift owing to Antiphase Boundaries in Dark-field Electron Holography, Materials Transactions, 10.2320/matertrans.MC201809, 60, 698-703, Mater. Trans. 60, (2019) 698-703., 2019.04.
9. H. Nakajima, D. Matsuki, Y. Fukunaga, T. Toriyama, K. Shigematsu, M. Matsubara, K. Kanie, A. Muramatsu, Y. Murakami, Self-assembled Structure of Dendronized CdS Nanoparticles, Microscopy, 10.1093/jmicro/dfz014, 68, 342-347, 2019.02.
10. S. Genchi, M. Yamamoto, K. Shigematsu, S. Aritomi, R. Nouchi, T. Kanki, K. Watanabe, T. Taniguchi, Y. Murakami, H. Tanaka, Growth of Vanadium Dioxide Thin Films on Hexagonal Boron Nitride Flakes as Transferrable Substrates, Scientific Reports, Sci. Rep. 9, (2019) 2857., 2019.02.
11. Y. Tsuji, T. Kanki, Y. Murakami and H. Tanaka, Single-step Metal-insulator Transition in Thin Film-based Vanadium Dioxide Nanowires with a 20-nm Electrode Gap, Applied Physics Express, Appl. Phys. Exp. 12, (2019) 025003., 2019.01.
12. T. Akashi, Y. Takahashi, K. Harada, T. Onai, Y. Ono, Yoshimasa, H. Shinada, and Y. Murakami, Illumination Semi-angle of 10-9 rad Achieved in a 1.2-MV Atomic-resolution Holography Transmission Electron Microscope, Microscopy, Microscopy 67, (2018) 286-295., 2018.10, 極めて平行性(干渉性)に優れた電子ビームを実現し、電子線ホログラフィーによる電磁場解析の精度を格段に向上させた。.
13. S. Okazoe, Y. Yasaka, M. Kudo, H. Maeno, Y. Murakami and Y. Kimura, Synthesis of Zero-Valent Iron Nanoparticles by Laser Ablation in Formate Ionic Liquid under Atmospheric Conditions, Chemical Communications, Chem. Commun. 54, (2018) 7834-7837., 2018.06.
14. Y. Cho, S. Aritomi, T. Kanki, K. Kinoshita, N. Endo, Y. Kondo, D. Shindo, H. Tanaka, Y. Murakami, Morphology of Phase-separated VO2 Films Deposited on TiO2-(001) Substrate, Mater. Res. Bull., 102 (2018) 289-293, 2018.02.
15. Ryunosuke Sawada, Tomokazu Yamamoto, Kazuhiro Minakuchi, Makoto Nakasako, Kodai Niitsu, Youngji Cho, Ryosuke Kainuma, Yasukazu Murakami, Cellular Microstructures Superposed on Martensite Plates in Mn55.2Ga19.0Cu25.8 Alloy Showing Large Coercivity, Scripta Materialia, 135, 33-36, 135(2017)33-36, 2017.04.
16. K. Niitsu, M. Minakuchi, X. Xu, M. Nagasako, I. Ohnuma, T. Tanigaki, Y. Murakami, D. Shindo, R. Kainuma, Atomic-resolution Evaluation of Microsegregation and Degree of Atomic Order at Antiphase Boundaries in Ni50Mn20In30 Heusler Alloy, Acta Materialia, 122, 166-177, 2017.01.
17. Hiroshi Akamine, So Okumura, S. Farjami, Yasukazu Murakami, Minoru Nishida, Imaging of Surface Spin Textures on Bulk Crystals by Scanning Electron Microscopy, Scientific Reports, 6, 37265(1)-37265(8), 2016.12.
18. Yasukazu Murakami, Kodai Niitsu, Syuhei Kaneko, Toshiaki Tanigaki, Taisuke Sasaki, Zentaro Akase, Daisuke Shindo, Tadakatsu Ohkubo, Kazuhiro Hono, Strain Measurement in Ferromagnetic Crystals using Dark-field Electron Holography, Applied Physics Letters, 109, 193102(1)-193102(5), 2016.11.
19. Yasukazu Murakami, Analysis of electromagneitc field in nanostructures by electron
holography, Proc. 36th Annual NANO Testing Symposium, 19-23, 2016.11.
20. Toshiaki Tanigaki, Ken Harada, Yasukazu Murakami, Kodai Niitsu, Tetsuya Akashi, Yoshio Takahashi, Akira Sugawara, Daisuke Shindo, New Trend in Electron Holography, J. Phys. D: Appl. Phys., 49, 244001(1)-244001(13), 2016.06.
21. Yasukazu Murakami, Toshiaki Suzuki, Satoru Murai, Yoichi Nii, Taka-hisa Arima, Ryosuke Kainuma, Daisuke Shindo, Application of Strain to Orbital-spin-coupled System MnV2O4 at Cryogenic Temperatures within Transmission Electron Microscope, Microscopy, 10.1093/jmicro/dfv377, 2016.05.
22. Yasukazu Murakami, Taisuke Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono, Strain measurements from Nd2Fe14B grains in sintered magnets using artificial moiré fringes, Acta Materialia, 10.1016/j.actamat.2015.08.058, 101, 101-106, 2015.09.
23. Yasukazu Murakami, Koudai Niitsu, Toshiaki Tanigaki, Ryosuke Kainuma, H. S. Park, Daisuke Shindo, Magnetization Amplified by Structural Disorder within Nanometer-scale Interface Region, Nature Communications, 5, 4133(1)-4133(8), 2014.06.
24. Yasukazu Murakami, Toshiaki Tanigaki, Taisuke Sasaki, Yumu Takeno, H. S. Park, Tsuyoshi Matsuda, Tadakatsu Ohkubo, Kazuhiro Hono, Daisuke Shindo, Magnetism of Ultrathin Intergranular Boundary Regions in Nd-Fe-B Permanent Magnets, Acta Materialia, 71, 370-379, 2014.04.
25. Yasukazu Murakami, Syota Konno, Taka-hisa Arima, Daisuke Shindo, Toshiaki Suzuki, Electric-field-induced Domain Switching in the Charge/orbital-ordered State of Manganite La0.5Sr1.5MnO4, Physical Revew B (Editor's Suggestion), 81, 140102(1)-140102(4), 2010.04.
26. Yasukazu Murakami, Hiroto Kasai, J. J. Kim, Shinichi Mamishin, Daisuke Shindo, Akira Tonomura, Ferromagnetic Domain Nucleation and Growth in Colossal Magnetoresistive Manganite, Nature Nanotechnology, 5, 37-41, 2010.01.
27. Yasukazu Murakami, J. H. Yoo, Daisuke Shindo, Toshiyuki Atou, Masae Kikuchi, Magnetization Distribution in the Mixed-phase State of Hole-doped Manganites, Nature, 423, 965-968, 2003.06.