All Stories

  1. X-ray zooming optics for analyzer-based multi-contrast computed tomography

    Article • Journal of Synchrotron Radiation, March 2022, International Union of Crystallography

    Dr Keiichi Hirano

  2. Elementary Screw and Mixed-Type Dislocations in 4H-SiC Characterized by X-Ray Topography Taken with Six Equivalent 11-28 g-Vectors and a Comparison to Etch Pit Evaluation

    Article • Materials Science Forum, May 2017, Trans Tech Publications

    Dr Keiichi Hirano, Yumiko Takahashi, Dr. Yongzhao YAO, Yukari Ishikawa

  3. X-ray analyzer-based phase-contrast computed laminography

    Article • Journal of Synchrotron Radiation, October 2016, International Union of Crystallography

    Dr Keiichi Hirano

  4. Dislocations in SiC Revealed by NaOH Vapor Etching and a Comparison with X-Ray Topography Taken with Various g-Vectors

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

    Dr Keiichi Hirano, Yumiko Takahashi, Dr. Yongzhao YAO, Yukari Ishikawa

  5. Development of variable-magnification X-ray Bragg optics

    Article • Journal of Synchrotron Radiation, June 2015, International Union of Crystallography

    Dr Keiichi Hirano

  6. An X-ray diffractometer using mirage diffraction. Erratum

    Article • Journal of Applied Crystallography, January 2015, International Union of Crystallography

    Dr Keiichi Hirano

  7. An X-ray diffractometer using mirage diffraction

    Article • Journal of Applied Crystallography, July 2014, International Union of Crystallography

    Dr Keiichi Hirano

  8. Application of variable-magnification X-ray Bragg magnifier to analyzer-based phase-contrast computed tomography

    Article • Japanese Journal of Applied Physics, March 2014, Institute of Physics Publishing

    Dr Keiichi Hirano

  9. Application of x-ray phase plate to grazing incidence x-ray topography for the control of penetration depth

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, November 2013, Elsevier

    Dr Keiichi Hirano

  10. Strain distribution in an Si single crystal measured by interference fringes of X-ray mirage diffraction

    Article • Journal of Applied Crystallography, August 2013, International Union of Crystallography

    Dr Keiichi Hirano

  11. Phase determination of the crystal structure factor by measuring rocking curves from a polar crystal

    Article • Journal of Applied Crystallography, July 2013, International Union of Crystallography

    Dr Keiichi Hirano

  12. X-ray Interference Fringes in Transmitted Beam of Bragg Mode from Very Weakly Bent Crystal

    Article • Journal of the Physical Society of Japan, September 2012, Physical Society of Japan

    Dr Keiichi Hirano

  13. Determination of Constant Strain Gradients of Elastically Bent Crystal Using X-ray Mirage Fringes

    Article • Japanese Journal of Applied Physics, July 2012, Japan Society of Applied Physics

    Dr Keiichi Hirano

  14. Determination of Constant Strain Gradients of Elastically Bent Crystal Using X-ray Mirage Fringes

    Article • Japanese Journal of Applied Physics, June 2012, Japan Society of Applied Physics

    Dr Keiichi Hirano

  15. Phase determination of crystal structure factor using measured rocking curves

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

    Dr Keiichi Hirano

  16. Two-Beam X-ray Interferometer Using Diffraction in Multiple Bragg–Laue Mode

    Article • Journal of the Physical Society of Japan, August 2011, Physical Society of Japan

    Dr Keiichi Hirano

  17. X-ray Interference Fringes from Weakly Bent Crystal

    Article • Journal of the Physical Society of Japan, August 2011, Physical Society of Japan

    Dr Keiichi Hirano

  18. X-ray Angle-Resolved Computed Tomography Using an Asymmetric Analyzer Crystal

    Article • Japanese Journal of Applied Physics, February 2011, Japan Society of Applied Physics

    Dr Keiichi Hirano

  19. X-ray Angle-Resolved Computed Tomography Using an Asymmetric Analyzer Crystal

    Article • Japanese Journal of Applied Physics, February 2011, Japan Society of Applied Physics

    Dr Keiichi Hirano

  20. Interference fringes in multiple Bragg–Laue mode

    Article • Acta Crystallographica Section A Foundations of Crystallography, January 2011, International Union of Crystallography

    Dr Keiichi Hirano

  21. Interference fringes in multiple Bragg–Laue mode and mirage fringes from bent crystals

    Article • Acta Crystallographica Section A Foundations of Crystallography, April 2010, International Union of Crystallography

    Dr Keiichi Hirano

  22. Amplification of Reflected X-ray Beams by the Mirage Effect

    Article • Journal of the Physical Society of Japan, October 2009, Physical Society of Japan

    Dr Keiichi Hirano

  23. Phase observation of crystal structure factor by using rocking curves

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2009, International Union of Crystallography

    Dr Keiichi Hirano

  24. Experimental observation of a strange temporal oscillation of X-ray Pendellösung fringes

    Article • Journal of Synchrotron Radiation, August 2009, International Union of Crystallography

    Dr Keiichi Hirano

  25. Bragg-(Bragg) m -Laue diffraction and its interference fringe

    Article • physica status solidi (a), June 2009, Wiley

    Dr Keiichi Hirano

  26. In-phase and anti-phase interference fringes in Laue case

    Article • physica status solidi (a), June 2009, Wiley

    Dr Keiichi Hirano

  27. Observation of dislocations in hen egg-white lysozyme crystals by synchrotron monochromatic-beam X-ray topography

    Article • physica status solidi (a), June 2009, Wiley

    Dr Keiichi Hirano

  28. Formation of interference fringes in the Bragg–(Bragg)m–Laue mode

    Article • Acta Crystallographica Section A Foundations of Crystallography, May 2009, International Union of Crystallography

    Dr Keiichi Hirano

  29. X-ray Interference Fringe of Bragg–(Bragg) m –Laue Case

    Article • Journal of the Physical Society of Japan, October 2008, Physical Society of Japan

    Dr Keiichi Hirano

  30. Measurement of X-ray rocking curves in the Bragg–Laue case

    Article • Acta Crystallographica Section A Foundations of Crystallography, August 2008, International Union of Crystallography

    Dr Keiichi Hirano

  31. Development of an X-ray HARP–FEA detector system for high-throughput protein crystallography

    Article • Journal of Synchrotron Radiation, April 2008, International Union of Crystallography

    Dr Keiichi Hirano

  32. In-phase and Anti-phase Interference Fringes in Rocking Curves of Resonant X-ray Dynamical Diffraction

    Article • Journal of the Physical Society of Japan, February 2008, Physical Society of Japan

    Dr Keiichi Hirano

  33. Observation of interference fringes due to lattice distortion by resonant scattering X-ray topography

    Article • physica status solidi (a), August 2007, Wiley

    Dr Keiichi Hirano

  34. Sensitive Depiction of Biomedical Tissue by Refraction Based Computed Tomography Using Synchrotron Radiation

    Article • January 2007, Springer Science + Business Media

    Dr Keiichi Hirano

  35. First Attempt at 3D X-Ray Visualization of DCIS (Ductal Carcinoma in Situ) Due to Refraction Contrast – In Good Relation to Pathological View

    Article • January 2006, Springer Science + Business Media

    Dr Keiichi Hirano, Ph.D Teysuya Yuasa

  36. Characterization of amorphous-Si/1ML-Ge/Si(001) Interface Structure by X-ray Standing Waves

    Article • Japanese Journal of Applied Physics, November 2003, Japan Society of Applied Physics

    Dr Keiichi Hirano

  37. Study on Sublattice Reversal in a GaAs/Ge/GaAs(001) Crystal by X-ray Standing Waves

    Article • Japanese Journal of Applied Physics, May 2003, Japan Society of Applied Physics

    Dr Keiichi Hirano

  38. Large-area phase-contrast X-ray imaging using a two-crystal X-ray interferometer

    Article • Journal of Synchrotron Radiation, August 2002, International Union of Crystallography

    Dr Keiichi Hirano

  39. X-Ray Optics for Observing Dark-Field and Bright-Field Refraction-Contrast Images

    Article • Japanese Journal of Applied Physics, May 2002, Japan Society of Applied Physics

    Dr Keiichi Hirano

  40. Direct Phase Measurement of the X-Ray Specular Reflection Using Modulation under the Bragg Condition

    Article • Japanese Journal of Applied Physics, May 2002, Japan Society of Applied Physics

    Dr Keiichi Hirano

  41. Site-Specific Studies on X-Ray Magnetic Circular Dichroism at Fe K Edge for Transition-Metal Ferrites

    Article • Japanese Journal of Applied Physics, October 2000, Japan Society of Applied Physics

    Dr Keiichi Hirano

  42. Study of sublattice inversion in GaAs/Ge/GaAs(001) crystal by X-ray diffraction

    Article • Applied Surface Science, June 2000, Elsevier

    Dr Keiichi Hirano

  43. Determination of the Density and the Thickness of SiO 2 Films Using Extremely Asymmetric X-Ray Diffraction

    Article • Japanese Journal of Applied Physics, March 2000, Japan Society of Applied Physics

    Dr Keiichi Hirano

  44. Development of an X-Ray Interferometer for High-Resolution Phase-Contrast X-Ray Imaging

    Article • Japanese Journal of Applied Physics, December 1999, Japan Society of Applied Physics

    Dr Keiichi Hirano

  45. Operation of a separated-type x-ray interferometer for phase-contrast x-ray imaging

    Article • Review of Scientific Instruments, December 1999, American Institute of Physics

    Dr Keiichi Hirano

  46. The Possibility of Phase-Contrast X-Ray Microtomography

    Article • Japanese Journal of Applied Physics, January 1999, Japan Society of Applied Physics

    Dr Keiichi Hirano

  47. Phase-contrast x-ray imaging using an x-ray interferometer

    Article • Synchrotron Radiation News, September 1998, Taylor & Francis

    Dr Keiichi Hirano

  48. Phase-Contrast Tomographic Imaging Using an X-ray Interferometer

    Article • Journal of Synchrotron Radiation, May 1998, International Union of Crystallography

    Dr Keiichi Hirano

  49. Investigation of the phase shift in X-ray forward diffraction using an X-ray interferometer

    Article • Journal of Synchrotron Radiation, May 1998, International Union of Crystallography

    Dr Keiichi Hirano

  50. High-resolution X-ray topographic images of dislocations in a silicon crystal recorded using an X-ray zooming tube

    Article • Journal of Synchrotron Radiation, May 1998, International Union of Crystallography

    Dr Keiichi Hirano

  51. Enhanced magnetic diffraction from ferromagnetic iron

    Article • Journal of Physics Condensed Matter, November 1997, Institute of Physics Publishing

    Dr Keiichi Hirano

  52. Application of an X-Ray Transmission Phase Plate to Measurements of X-Ray Magnetic Circular Dichroism

    Article • Japanese Journal of Applied Physics, September 1997, Japan Society of Applied Physics

    Dr Keiichi Hirano

  53. Polarization-Tunable X-Ray Optics for Synchrotron Radiation

    Article • Japanese Journal of Applied Physics, May 1997, Japan Society of Applied Physics

    Dr Keiichi Hirano

  54. Determination of the Stokes-Poincaré Parameters for a Synchrotron X-Ray Beam by Multiple Bragg Scattering

    Article • Japanese Journal of Applied Physics, October 1996, Japan Society of Applied Physics

    Dr Keiichi Hirano

  55. Kirkpatrick-Baez optics for a sub-μm synchrotron X-ray microbeam and its applications to X-ray analysis

    Article • Nuclear Instruments and Methods in Physics Research Section B Beam Interactions with Materials and Atoms, June 1996, Elsevier

    Dr Keiichi Hirano

  56. Phase–contrast X–ray computed tomography for observing biological soft tissues

    Article • Nature Reports Stem Cells, April 1996, Springer Science + Business Media

    Dr Keiichi Hirano

  57. Ｘ線透過型移相子の放射光での利用

    Article • Nihon Kessho Gakkaishi, January 1996, The Crystallographic Society of Japan

    Dr Keiichi Hirano

  58. Phase-contrast imaging with synchrotron x-rays for detecting cancer lesions

    Article • Academic Radiology, September 1995, Elsevier

    Dr Keiichi Hirano

  59. Development and application of x‐ray phase retarders (invited)

    Article • Review of Scientific Instruments, February 1995, American Institute of Physics

    Dr Keiichi Hirano

  60. Transmission-Type X-Ray Phase Retarder Using Ge Crystal in Laue Diffraction Geometry

    Article • Japanese Journal of Applied Physics, May 1994, Japan Society of Applied Physics

    Dr Keiichi Hirano

  61. Direct observation of local layer structure defects in a surface stabilized ferroelectric liquid crystal using synchrotron X-ray micro-diffraction

    Article • Ferroelectrics, December 1993, Taylor & Francis

    Dr Keiichi Hirano

  62. Perfect crystal X-ray phase retarders

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, November 1993, Elsevier

    Dr Keiichi Hirano

  63. Switching of Photon Helicities in the Hard X-Ray Region with a Perfect Crystal Phase Retarder

    Article • Japanese Journal of Applied Physics, August 1992, Japan Society of Applied Physics

    Dr Keiichi Hirano

  64. A multiple crystal diffractometer for generation and characterization of circularly polarized x rays at the Photon Factory (invited)

    Article • Review of Scientific Instruments, January 1992, American Institute of Physics

    Dr Keiichi Hirano

  65. Applications of perfect crystal X-ray optics

    Article • Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment, October 1991, Elsevier

    Dr Keiichi Hirano

  66. X-ray standing wave analysis of the GaAs/Si interface

    Article • Surface Science Letters, July 1991, Elsevier

    Dr Keiichi Hirano

  67. X-ray standing wave analysis of the GaAs/Si interface

    Article • Surface Science, July 1991, Elsevier

    Dr Keiichi Hirano

  68. An X-Ray Phase Plate Using Bragg-Case Diffraction

    Article • Japanese Journal of Applied Physics, March 1991, Japan Society of Applied Physics

    Dr Keiichi Hirano