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Achievements

(I) Selected Original Articles (only specially important ones)

  1. Y. Shiratsuchi, H. Noutomi, H. Oikawa, T. Nakamura, M. Suzuki, T. Fujita, K. Arakawa, Y. Takechi, H. Mori, T. Kinoshita, M. Yamamoto, and R. Nakatani: “Detection and In Situ Switching of Unreversed Interfacial Antiferromagnetic Spins in a Perpendicular-Exchange-Biased System”, Physical Review Letters, 109, 77202_1-77202_5 (2012).
  2. C. L. Chen, J.-G. Lee, K. Arakawa, and H. Mori: “Comparative Study on Size Dependence of Melting Temperatures of Pure Metal and Alloy Nanoparticles”, Applied Physics Letters, 99, 013108_1-013108_3 (2011).
  3. T. Amino, K. Arakawa, and H. Mori: “Reaction Rate between 1D migrating Self-Interstitial Atoms: An Examination by Kinetic Monte Carlo Simulation”, Philosophical Magazine, 91, 3276-3289 (2011) (corresponding author).
  4. C. L. Chen, J.-G. Lee, K. Arakawa, and H. Mori: “Quantitative Analysis on Size Dependence of Eutectic Temperature of Ag-Pb System”, Applied Physics Letters, 98, 83108-1-83108-3 (2011).
  5. T. Amino, K. Arakawa, and H. Mori: “Activation Energy for Long-Range Migration of Self-Interstitial Atoms in Tungsten Obtained by Direct Measurement of Radiation-Induced Point-Defect Clusters”, Philosophical Magazine Letters, 91, 86-96 (2011) (corresponding author).
  6. K. Arakawa, T. Amino, and H. Mori: “Direct Observation of the Coalescence Process between Nanoscale Dislocation Loops with Different Burgers Vectors”, Acta Materialia, 59, 141-145 (2011).
  7. C. L. Chen, J.-G. Lee, K. Arakawa, and H. Mori: “In situ Observations of Crystalline-to-liquid and Crystalline-to-gas Transitions of Substrate-Supported Ag Nanoparticles”, Applied Physics Letters, 96, 253104-1-253104-3 (2010).
  8. S.L. Dudarev, M.R. Gilbert, K. Arakawa, H. Mori, Z. Yao, M.L. Jenkins, and P.M. Derlet: “A Langevin Model for Real-Time Brownian Dynamics of Interacting Nano-Defects in Irradiated Metals”, Physical Review B (Selected as Editors’ Suggestion), 81, 224107-1-224107-15 (2010).
  9. K. Arakawa, K. Ono, M. Isshiki, K. Mimura, M. Uchikoshi, and H. Mori: “Observation of the One-Dimensional Diffusion of Nanometer-Sized Dislocation Loops”, Science, 318, 956-959 (2007).
  10. K. Ono, M. Miyamoto, and K. Arakawa: “Dynamical Interaction of Helium Bubbles with Grain Boundaries in Fe and Fe-Cr Ferritic Alloy”, Journal of Nuclear Materials, 367-370, 522-526 (2007).
  11. F. Kawamura, H. Umeda, M. Kawahara, M. Yoshimura, Y. Mori, T. Sasaki, H. Okado, K. Arakawa, and H. Mori: “Drastic Decrease in Dislocations during the LPE Growth of GaN Single Crystals using Na Flux Method without any Artificial Processes”, Japanese Journal of Applied Physics, 45, 2528-2530 (2006).
  12. K. Arakawa, M. Hatanaka, E. Kuramoto, K. Ono, and H. Mori: “Change in the Burgers Vector of Perfect Dislocation Loops without Contact with the External Dislocations”, Physical Review Letters, 96, 125506-1－125506-4 (2006).
  13. K. Ono, K. Arakawa, H. Shibasaki, H. Kurata, I. Nakamichi and N. Yoshida: “Release of Helium from Irradiation Damage in Fe-9Cr Ferritic Alloy”, Journal of Nuclear Materials, 329-333, 933-937 (2004).
  14. K. Arakawa, M. Hatanaka, H. Mori, and K. Ono: “Effects of Chromium on the One-Dimensional Motion of Interstitial-Type Dislocation Loops in Iron”, Journal of Nuclear Materials, 329-333, 1194-1198 (2004).
  15. S. Arai, Y. Satoh, K. Arakawa, C. Morita, and M. Kiritani: “Localized Electron Irradiation Methods and Their Application to Detection of Flow-Field of Point Defects”, Journal of Electron Microscopy, 53, 21-27 (2004).
  16. K. Arakawa, K. Saitoh, H. Mori, and K. Ono; “Comparison among the Formation Processes of Extended Defects in Si under Low-energy H+, He+ Ions and High-energy Electrons”, Nuclear Instruments and Methods in Physics Research B, 206, 76-80 (2003).
  17. K. Arakawa, K. Ono, H. Tanigawa, Y. Katoh, A. Kohyama, and M. Kiritani; “Deformation of Thin Foil of Fcc and Bcc Metals Containing Pre-introduced Secondary Defects”, Materials Science and Engineering A, 350, 53-56 (2003).
  18. K. Arakawa, H. Mori, and K. Ono; “Formation Process of Dislocation Loops in Iron under the Irradiation with Low-energy Helium, Hydrogen Ions and High-energy Electrons”, Journal of Nuclear Materials, 307-311, 272-277 (2002).
  19. K. Ono, K. Arakawa, H. Hojou; “Formation and Migration of Helium Bubbles in Fe and Fe-9Cr Ferritic Alloy”, Journal of Nuclear Materials, 307-311, 1507-1512 (2002).
  20. K. Arakawa, S. Arai, H. Orihara, K. Ono, and M. Kiritani; “Study on the Mechanism of the Growth and the Shrinkage of Stacking Fault Tetrahedra using the Fluctuation of Their Size under Electron Irradiation”, Journal of Electron Microscopy, 51(Supplement), S225-S230 (2002).
  21. K. Arakawa, R. Imamura, K. Ohta, and K. Ono; “Evolution of Point Defect Clusters in Pure Iron under Low Energy He+ Irradiation”, Journal of Applied Physics, 89, 4752-4757 (2001).
  22. K. Arakawa, Y. Satoh, S. Arai and M. Kiritani; “Fluctuation of Point Defect Reactions Observed during the Growth of Dislocation Loops under Electron Irradiation”, Philosophical Magazine A, 80, 2041-2055 (2000).
  23. K. Arakawa, T. Tsukamoto, K. Tadakuma, K. Yasuda, and K. Ono; “In-situ Observation of the Microstructural Evolution in Germanium under the Low Energy Helium Ion Irradiation”, Journal of Electron Microscopy, 48, 399-405 (1999).
  24. M. Kiritani, Y. Satoh, Y. Kizuka, K. Arakawa, Y. Ogasawara, S. Arai, and Y. Shimomura; “Anomalous Production of Vacancy Clusters and the Possibility of Plastic Deformation of Crystalline Metals without Dislocations”, Philosophical Magazine Letters, 79, 797-804 (1999).
  25. K. Ono, K. Arakawa, and N. Yoshida; “Dynamical Process of Defects Clustering in Ni under the Irradiation of Low Energy Helium Ions”, Journal of Nuclear Materials, 271&272, 214-219 (1999).
  26. S. Arai, C. Morita, K. Arakawa, and M. Kiritani; “Improvement and Application of Intermittent Electron Irradiation Technique with a High Voltage Electron Microscope”, Journal of Electron Microscopy, 44, 1-7 (1995). (January 1998, an Excellent Paper Awarded from the Japanese Society of Microscopy)

(II) Invited Talks at International Conferences and Seminars (only talks that Prof. Arakawa has talked as the 1st author)

a. Invited Talks at International Conferences

  1. “In-situ TEM Study of Dynamics of Dislocation Loops in Fe and Fe-Cr Alloys”, GETMAT (Generation IV and Transmutation Materials), (Sept 17- 19, 2013, Berlin, Germany).
  2. “Recent Studies on Elementary Processes of Radiation Damage using in-situ TEM”, MRS Fall Meeting 2012, Materials under Extremes: from Fundamentals to Component Behavior (Nov 26- 30, 2012, Boston, MA, USA).
  3. “High-Energy Electron Irradiation of Metals-Effects of High Dose Rate and Properties of Single Point Defects-”, Workshop on Ion Implantation as a Neutron Irradiation Analogue (Sept. 26-28, 2011, Oxford, UK).
  4. “In Situ TEM Study of Dynamic Behaviors of Nanoscale Defects: Similarities and Differences between Experiments and Simulations”, The Fifth International Conference on Multiscale Materials Modeling 2010, Radiation Effects (Oct. 4- 8, 2010, Freiburg, Germany).
  5. “Direct In-situ Electron Microscope Observations of Dynamics of Radiation Defects in Irradiated Materials”, CIMTEC 2010, 5th Forum on New Materials, Materials Challenges for Future Nuclear Fission and Fusion Technologies (June 13- 18, 2010, Montecatini Terme, Italy).
  6. “Studies on Electron-Irradiation Produced Lattice Defects in Metals with HVEM”, The Twelfth Frontiers of Electron Microscopy in Materials Science, In-Situ & Ultra-Fast Analysis (Sept. 27- Oct. 2, 2009, Sasebo, Japan).
  7. “In-situ TEM Observation of the One-Dimensional Diffusion of Nanometer-Sized Interstitial-Type Dislocation Loops”, MRS Fall Meeting 2008, Materials for Future Fusion and Fission Technologies (Dec 1- 5, 2008, Boston, MA, USA).
  8. “In-Situ Transmission Electron Microscopy Study of the Dynamics of Point-Defect Clusters”, Electron Microscopy and Multiscale Modeling (EMMM07) (Sep. 3-7, 2007, Shubnikov Institute of Crystallography, Moscow, Russia).
  9. “Dynamics of Nanometer-Sized Interstitial-Type Dislocation Loops in Iron by In Situ TEM”, TMS 2007 136th Annual Meeting & Exhibition, Microstructural Processes in Irradiated Materials (Feb 25-March 1, 2007, Orlando, Florida, USA).
  10. “Dynamic Behavior of Nanometer-Sized Interstitial-Type Dislocation Loops in Iron by In-situ TEM”, The 12th International Symposium on Plasticity & Its Current Applications (July 17-22, 2006, Halifax, NS, Canada).
  11. “One-Dimensional Motion of Interstitial-Type Dislocation Loops in Fe-Cr Alloys by In-situ TEM”, Towards a Multiscale Modeling Approach of Radiation Damage in High-Cr Steels: Computer Simulation and Experimental Validation (Feb. 21, 2006, SCK-CEN, Mol, Belgium).

b. Invited Talks at Seminars (outside Japan)

  1. “Detection of Point-Defect Dynamics in Metals using High-Voltage Electron Microscopy” (Sept. 10, 2012, CEA-Saclay, France).
  2. “Studies on Dynamics of Radiation-Produced Defects in Metals using TEM/ HVEM” (Oct 3, 2011, Lawrence Livermore National Laboratory, US).
  3. “Studies on Dynamics of Radiation-Produced Defects in Metals using TEM/ HVEM” (Sept 15, 2011, University of Lille 1, France).
  4. “Topics of Experiments with the HVEM at Osaka University” (Oct 10, 2008, KBSI, Korea).
  5. “Observation of the One-Dimensional Diffusion of Nanometer-Sized Prismatic Dislocation” (July 9, 2008, CEA-Saclay, France).
  6. “Direct Observation of Thermally Activated Nanoscale Processes in Metals by In-Situ Transmission Electron Microscopy” (July 7, 2008, Imperial College London, UK).
  7. “In situ TEM Study of Dynamics of Point-Defect Clusters” (Feb 28, 2006, Oxford University, UK).
  8. “Dynamics of Nanometer-Sized Interstitial-Type Dislocation Loops in Iron by In situ Transmission Electron Microscopy” (Feb 27, 2006, UKAEA, Culham, UK).
  9. “Dynamics of Nanometer-Sized Interstitial-Type Dislocation Loops in Iron by In situ Transmission Electron Microscopy” (Feb 23, 2006, CEA-Saclay, France).