All Stories

  1. Effect of carbon coating on surface structure in annealing process of high-dose implanted/annealed SiC

    Article • Journal of Applied Physics, May 2024, American Institute of Physics

    Dr Kotaro Ishiji

  2. 3D structure of threading screw dislocation at a deep location in 4H-SiC using 3D micro-X-ray topography

    Article • Japanese Journal of Applied Physics, January 2024, Institute of Physics Publishing

    Dr Kotaro Ishiji

  3. Three-dimensional micro-X-ray topography using focused sheet-shaped X-ray beam

    Article • Scientific Reports, July 2023, Springer Science + Business Media

    Dr Kotaro Ishiji

  4. Thermally Stable and Radiation‐Proof Visible‐Light Photodetectors Made from N‐Doped Diamond

    Article • Advanced Optical Materials, April 2023, Wiley

    Dr Kotaro Ishiji

  5. Development of High-Resolution Nuclear Emulsion Plates for Synchrotron X-Ray Topography Observation of Large-Size Semiconductor Wafers

    Article • Journal of Electronic Materials, February 2023, Springer Science + Business Media

    Dr Kotaro Ishiji

  6. Defect generation behavior in Czochralski-grown ScAlMgO4 crystal using synchrotron X-ray topography

    Article • Journal of Crystal Growth, February 2023, Elsevier

    Dr Kotaro Ishiji

  7. Expansion of beam width in exposure and crystal structure beamline (BL09) of SAGA-LS and applications using expanded beams

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, October 2022, Elsevier

    Dr Kotaro Ishiji

  8. Nucleation sites of expanded stacking faults detected by in operando x-ray topography analysis to design epitaxial layers for bipolar-degradation-free SiC MOSFETs

    Article • AIP Advances, March 2022, American Institute of Physics

    Dr Kotaro Ishiji

  9. Observation of defect structure in ScAlMgO4 crystal using X-ray topography

    Article • Journal of Crystal Growth, February 2022, Elsevier

    Dr Kotaro Ishiji

  10. Characterization of Defect Structure in Epilayer Grown on On-Axis SiC by Synchrotron X-ray Topography

    Article • Journal of Electronic Materials, January 2022, Springer Science + Business Media

    Dr Kotaro Ishiji

  11. Advanced X-ray imaging at beamline 07 of the SAGA Light Source

    Article • Journal of Synchrotron Radiation, October 2021, International Union of Crystallography

    Akio Yoneyama, Dr Kotaro Ishiji

  12. In-operando x-ray topography analysis of SiC metal–oxide–semiconductor field-effect transistors to visualize stacking fault expansion motions dynamically during operations

    Article • Journal of Applied Physics, October 2021, American Institute of Physics

    Dr Kotaro Ishiji

  13. Correlation between crystal warpage and swelling of 4H-SiC through implantation and annealing

    Article • Semiconductor Science and Technology, August 2020, Institute of Physics Publishing

    Dr Kotaro Ishiji

  14. Resistivity Measurement of P<sup>+</sup>-Implanted 4H-SiC Samples Prepared at Different Implantation and Annealing Temperatures Using Terahertz Time-Domain Spectroscopic Ellipsometry

    Article • Materials Science Forum, July 2020, Trans Tech Publications

    Dr Kotaro Ishiji

  15. Induction of flower-colour mutation by synchrotron-light irradiation in spray chrysanthemum

    Article • Acta Horticulturae, April 2019, International Society for Horticultural Science (ISHS)

    Dr Kotaro Ishiji

  16. Determination of observable depth of dislocations in 4H-SiC by X-ray topography in back reflection

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

    Dr Kotaro Ishiji

  17. Warpage Structure of 4H-SiC after Implantation and Annealing Processes

    Article • Materials Science Forum, May 2016, Trans Tech Publications

    Dr Kotaro Ishiji

  18. Observation of channeling effects for relativistic electrons in a polycrystal

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, July 2015, Elsevier

    Dr Kotaro Ishiji

  19. Influence of P<sup>+</sup>-Implantation and Post-Annealing on Warpage Structure of 4H-SiC Wafers

    Article • Materials Science Forum, February 2014, Trans Tech Publications

    Dr Kotaro Ishiji

  20. Appearance of local strain fields and high electrical conductivity of macro-defects in P+-implanted 4H-SiC

    Article • Journal of Applied Physics, May 2013, American Institute of Physics

    Dr Kotaro Ishiji

  21. Development of diffraction enhanced imaging at beamline BL07 at the SAGA Light Source and its application

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

    Dr Kotaro Ishiji

  22. Enhancement of dielectric constant of BaTiO3nanoparticles studied by resonant x-ray emission spectroscopy

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

    Dr Kotaro Ishiji

  23. Development of white and monochromatic X‐ray topography system in SAGA‐LS

    Article • physica status solidi (a), October 2011, Wiley

    Dr Kotaro Ishiji

  24. Structural change of micropipes in Al-implanted SiC crystals by post-implantation annealing

    Article • Semiconductor Science and Technology, December 2010, Institute of Physics Publishing

    Dr Kotaro Ishiji

  25. X-ray Spectroscopic Study on Photoluminescence Properties of Red Phosphor SrTiO3:Pr3+,Al

    Article • Japanese Journal of Applied Physics, September 2010, Institute of Physics Publishing

    Dr Kotaro Ishiji

  26. Observation of the Fixed Fe–CN–Mn Cluster in Cesium Manganese Hexacyanoferrate

    Article • Journal of the Physical Society of Japan, July 2010, Physical Society of Japan

    Dr Kotaro Ishiji

  27. A UV-induced one-dimensional motion of titanium ions in perovskite titanates

    Article • Journal of Physics Conference Series, November 2009, Institute of Physics Publishing

    Dr Kotaro Ishiji

  28. Luminescence mechanism of (Pr, Al)-dopedSrTiO3fine particles inv...

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

    Dr Kotaro Ishiji

  29. Observation of phase transition of cesium manganese hexacyanoferrates by X-ray absorption spectroscopy

    Article • Journal of Physics and Chemistry of Solids, November 2007, Elsevier

    Dr Kotaro Ishiji

  30. Magnetic polarization of Cu layers in exchange-coupledCo∕Cu

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

    Dr Kotaro Ishiji

  31. Observation of x-ray magnetic circular dichroism at theRuKedge in

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

    Dr Kotaro Ishiji

  32. Interface Structures and Magnetic Properties of Exchanged-Coupled Co/Cu Multilayers Sputter-Grown on Ta Buffers

    Article • Japanese Journal of Applied Physics, May 2006, Institute of Physics Publishing

    Dr Kotaro Ishiji

  33. Growth process and nanostructure of crystalline GaAs on Si(1 1 0) surface prepared by molecular beam epitaxy

    Article • Journal of Crystal Growth, March 2006, Elsevier

    Dr Kotaro Ishiji

  34. Probing the Magnetic Polarizations of Delocalized Electrons in Exchange-coupled Co/CuNi Multilayers by X-ray Magnetic Circular Dichroism Measurements

    Article • Journal of the Physical Society of Japan, February 2005, Physical Society of Japan

    Dr Kotaro Ishiji

  35. Measurement and multiple-scattering calculation of CuK-edge x-ray magnetic circular dichroism spectra from an exchange-coupled

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

    Dr Kotaro Ishiji

  36. Structures of submonatomic Sn layers in Fe/Cr(Sn)Cr magnetic multilayers determined by anomalous x-ray scattering measurements

    Article • July 2002, American Physical Society (APS)

    Dr. Hiroshi Okuda, Dr Kotaro Ishiji