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News in 2021
30 November (Tue)
An x-ray fluorescence holography experiment is carried out at BL12B2 Taiwan beamline of the SPring-8 from 27th with Happo kun of Hiroshima City University and Kimura kun of Nagoya Institute of Technology.
27 November (Sat)
An inelastic x-ray scattering experiment is carried out at BL43LXU of SPring-8 from 22nd with Prof. Yoshida of Fukuoka University and Dr. Yamaguchi of Nagoya University.
26 November (Fri)
A review article ‘Progress of structural analysis on amorphous materials by quantum beams’ is already accepted to publish in Solid State Physics. Recent progresses of structural analyses on amorphous materials by using quantum beams of x-rays and neutrons are reviewed.
20 November (Sat)
An anomalous x-ray scattering experiment is carried out at BL13XU of SPring-8 from 15th with Dr. Kohara of NIMS and Jens of Hiroshima University.
12 November (Fri)
An anomalous x-ray scattering experiment is carried out at BL15 of the Saga Light Source with Matsuda san of Kumamoto University and Jens of Hiroshima University.
10 November (Wed)
An inverse photoemission experiment is carried out on metallic glasses at HiSOR of Hiroshima University from 4th.
3 November (Wed)
An anomalous x-ray scattering experiment is carried out at BL13XU of SPring-8 from 30th of October with Dr. Kohara of NIMS and Dr. Onodera of Kyoto University.
27 October (Wed)
An x-ray fluorescence holography experiment is performed at BL6C of the PF-KEK from 23rd with Prof. Happo of Hiroshima City University.
25 October (Mon)
An soft x-ray emission spectroscopy experiment is carried out at BL13A from 23rd with Prof. Tezuka of Hirosaki University.
21 October (Thu)
An anomalous x-ray scattering experiment is carried out at BL13XU of SPring-8 from 18th with Wakihara group and Dr. Kohara of NIMS.
11 October (Mon)
Inelastic x-ray scattering experiments are carried out at BL35XU/SPring-8 from 6th to 11th. Inui kun of Hiroshima University, Tsutsui san of JASRI, and Hayashi kun of Institute for Material Sciences, Tohoku University, join the experiment. On the way back to Kumamoto, Hello Kitty Shinkansen train is seen at Okayama station.
1 October (Fri)
SH visits Kato Laboratory of Institute for Materials Research, Tohoku University to discuss metallic glass science from 28th of September.
26 September (Sun)
2nd Brief Meeting of Grant-in-Aid for Transformative Research Areas (A) ‘Hyper-ordered structures science’ is held at Nagoya Institute of Technology from 25th.
20 September (Mon)
Two oral presentations are carried out on ‘Structure and positional fluctuations of an Fe3O4 mixed valence crystal by x-ray fluorescence holography’ and ‘Detailed partial structural study of As-Se glasses across the stiffness transition composition’ at The 2021 Fall Meeting of Physical Society of Japan held on 20-23 of September remotely.
16 September (Thu)
An oral presentation is carried out on ‘The relationship of rejuvenation effect and structural change in Gd65Co35 metallic glasses by thermal cycling’ at The 2021 Fall Meeting of the Japan Institute of Metals and Materials held on 14-17 of September remotely.
10 September (Fri)
A research topics ‘Studies of atomic and electronic structures and dynamics of functional zeolites by synchrotron radiation’ is accepted in Grant-in-Aid for Transformative Research Areas ‘Hyper-ordered structures science’ as a publicly offered research.
An anomalous x-ray scattering experiment is carried out at BL15 of the Saga Light Source with Jens of Hiroshima University.
A paper ‘Low energy excitation in liquid Sb and liquid Bi observed in inelastic x-ray scattering spectra’ is published in Journal of Physics: Condensed Matter 33, 475101-1-8 (2021). Prof. Inui of Hiroshima University investigates lattice dynamics of liquid Sb in comparison with Bi by inelastic x-ray scattering.
23 August (Mon)
A paper ‘Low energy excitation in liquid Sb and liquid Bi observed in inelastic x-ray scattering spectra’ is accepted to publish in Journal of Physics: Condensed Matter. Prof. Inui of Hiroshima University investigates lattice dynamics of liquid Sb in comparison with Bi by inelastic x-ray scattering.
An invited talk entitled ‘A study on structural changes with thermal cycle rejuvenation on a metallic glass by anomalous x-ray scattering’ is carried out at 15th Saga Light Source Briefing Meeting held online.
19 August (Thu)
An invited talk entitled ‘Hyper-ordered structures and glass-forming abilities of Pd-based metallic glasses’ is carried out at the Micro-symposium ‘Disordered materials: spectroscopic and scattering techniques’ of 25th General Assembly and Congress of the International Union of Crystallography held at Prague and online on 14-22 August. Anomalous x-ray scattering and neutron diffraction results on Pd-based metallic glasses are analyzed by using reverse Monte Carlo modeling, and the relationship between structural features in the intermediate-range structures and the glass-forming ability.
16 August (Mon)
A paper ‘Longitudinal acoustic and higher energy excitations in liquid phase change material Ge2Sb2Te5’ is published in Physical Review B 104, 064202 (2021). Prof. Inui of Hiroshima University investigates lattice dynamics of liquid Ge2Sb2Te5 by inelastic x-ray scattering.
13 August (Fri)
A paper ‘A cryostat designed for x-ray fluorescence holography experiments down to 4 K’ is published in Review of Scientific Instruments 92, 083703 (2021). A cryostat capable of x-ray fluorescence holography experiments down to 4 K is completed with a support by JSPS Grant-in-Aid for Scientific Research (B).
1 August (Sun)
A paper ‘A cryostat designed for x-ray fluorescence holography experiments down to 4 K’ is accepted to publish in Review of Scientific Instruments. A cryostat capable of x-ray fluorescence holography experiments down to 4 K is completed with a support by JSPS Grant-in-Aid for Scientific Research (B).
23 July (Fri)
According to Scopus, the paper ‘Transverse acoustic excitations in liquid Ga’ Physical Review Letters 102, 105502-1-4 (2009) was cited by 100 papers.
21 July (Wed)
SH visits Hiroshima University to discuss with Inui kun from 19th.
16 July (Fri)
SH visits Institute for Materials Research, Tohoku University to discuss metallic glass science with Ichitsubo san from 12th.
15 July (Thu)
A paper ‘Collective particle dynamics of molten NaCl by inelastic x-ray scattering’ is published in Journal of Physics: Condensed Matter 33, 375103-1-12 (2021). Franz of ISIS investigates collective lattice dynamics of liquid NaCl.
11 July (Sun)
An abstract ‘Hyper-ordered structures and glass-forming abilities of Pd-based metallic glasses’ submitted to the IUCr2021 conference held at Prague on 14-22 of this August, is accepted as an invited talk.
8 July (Thu)
The room changes to VBL601 of Kurokami South S6 Building. The telephone number is 096-342-3806.
7 July (Wed)
A paper ‘Longitudinal acoustic and higher energy excitations in liquid phase change material Ge2Sb2Te5’ is accepted to publish in Physical Review B. Prof. Inui of Hiroshima University investigates lattice dynamics of liquid Ge2Sb2Te5 by inelastic x-ray scattering.
25 June (Fri)
A paper ‘Collective particle dynamics of molten NaCl by inelastic x-ray scattering’ is accepted to publish in Journal of Physics: Condensed Matter. Franz of ISIS investigates collective lattice dynamics of liquid NaCl.
21 June (Mon)
Inelastic x-ray scattering experiments are carried out at BL35XU/SPring-8 from 8th to 14th with Inui kun, and from 14th to 21st with Ichitsubo group of Institute for Material Sciences, Tohoku University.
3 June (Thu)
An x-ray fluorescence holography experiment is performed at BL6C of the PF-KEK from 28th of May with Prof. Happo of Hiroshima City University and Jens of Hiroshima University, and an soft x-ray emission spectroscopy experiment is carried out at BL13A from 1st with Prof. Tezuka of Hirosaki University and Prof. Ishiwata of Saga University.
23 May (Sun)
An anomalous x-ray scattering experiment is carried out at BL13XU of SPring-8 from 18th with Jens of Hiroshima University.
22 May (Sat)
A General meeting of The Japan Society of Vacuum and Surface Science is held and Prof. Maki Kawai make a special talk.
20 May (Thu)
Five talks are delivered in the meeting of ‘Ladies' Day’ by the DFG project.
18 May (Tue)
A seminar in the Anorganisch-Chemisches Kolloquium (ACK) is delivered by Prof. C. C. Cummins (MIT, Boston, USA) on "Phosphorus-Element Bond-Forming Reactions”.
17 May (Mon)
An x-ray fluorescence holography experiment is carried out at BL39XU of SPring-8 from 13 of October. Prof. Happo of Hiroshima City University and Dr. Kimura of Nagoya Institute of Technology join the experiment.
12 May (Wed)
SH joins The University of Tokyo/Institute of Solid State Physics (ISSP) Regular Workshop ’Frontier research on glasses and related complex systems’ from 10th.
30 April (Fri)
Sample preparations and discussion on a paper is carried out with Jens at Hiroshima University from 28 to 30 of April.
24 April (Sat)
A fluorescence x-ray holography experiment is carried out at BL37XU of the SPring-8 from 23rd with Happo kun of Hiroshima City University and Kimura kun of Nagoya Institute of Technology
21 April (Wed)
A fluorescence soft x-ray holography experiment is carried out at BL15 of the Saga Light Source with Nakajima san and Hashimoto san of Nara Institute of Science and Technology.
17 April (Sat)
A fluorescence x-ray holography experiment is carried out at BL12B2 (Taiwan beamline) of the SPring-8 from 13th to 17th with Happo kun of Hiroshima City University, Kimura kun of Nagoya Institute of Technology, and Hashimoto san of Nara Institute of Science and Technology.
9 April (Fri)
SH joins IRN seminar to hear Marc’s talk on quasicrystals.
1 April (Thu)
SH becomes a special professor of Institute of Industrial Nanomaterial of Kumamoto University.
31 March (Wed)
SH retires Faculty of Advanced Science and Technology of Kumamoto University.
29 March (Mon)
A final lecture entitled ’35 years of synchrotron radiation science: randomness and order’ is carried out.
26 March (Fri)
A proceedings paper ‘Local- and Intermediate-Range Atomic Order in Ga2Ge3Se9 Glass: Complementary Use of X-Rays and Neutrons’ is published in JPS Conference Proceedings 33, 011069-1-6 (2021), which was presented at The 3rd J-PARC Symposium (J-PARC2019) (23-26 September 2019, Tsukuba). Partial structures of Ga-Ge-Se infrared glass fiber materials are precisely determined by a combination of neutron diffraction, anomalous x-ray scattering, and reverse Monte Carlo calculation.
Similarly, a proceedings paper ‘Local- and Intermediate-Range Order in Room Temperature Superionic Conducting Ag-GeSe3 Glasses’ is published in JPS Conference Proceedings 33, 011070-1-7 (2021). Partial structures of Ag-GeSe3 room-temperature superionic glass materials are precisely determined by a combination of neutron diffraction, anomalous x-ray scattering, and reverse Monte Carlo calculation.
23 March (Tue)
19 March (Fri)
An oral presentation is carried out on ‘Seed of long-period stacking ordered structure in amorphous Mg85Zn6Y9 alloy’ at The 168th Annual Meeting of the Japan Institute of Metals and Materials held on 16-19 of March remotely.
18 March (Thu)
An inverse photoemission experiment is carried out on metallic glasses at HiSOR of Hiroshima University from 15-18 of March.
16 March (Tue)
An invited talk is carried out on ‘Intermediate-range atomic arrangements of Ag-GeSe3 room-temperature superionic glasses by a combination of neutron diffraction and anomalous x-ray scattering’ at Group Meeting of Liquids and Non-Crystalline Materials held on16 of March remotely.
13 March (Sat)
An oral presentation is carried on ‘The relationship of rejuvenation effect and structural change in Gd65TM35(TM = Co, Ni, Cu) metallic glasses by thermal cycles’ at The 76th Annual Meeting of Physical Society of Japan held on 12-15 of March remotely.
12 March (Fri)
A paper ‘Collective dynamics of liquid acetone investigated by inelastic x-ray scattering’ is published in Journal of Molecular Liquids 332, 115825-1-9 (2021). Longitudinal acoustic phonon modes of liquid acetone are obtained by inelastic x-ray scattering, and analyzed by a generalized Langevin equation with a simple sparse modeling. The obtained fast and slow viscoelastic relaxation rates are found for the first time to correspond to vibration mode in the molecule and rotational mode of the molecule, respectively.
10 March (Wed)
Two poster presentations are carried out on ‘Phonon dynamics of Mg LPSO structural material by inelastic neutron scattering’ and ‘O 2p partial electronic structure of Sn-βzeolite by soft x-ray emission spectroscopy’ at Quantum Beam Science Festa 2020 held on 9-11 of March remotely.
9 March (Tue)
SH joins the Kickoff Meeting of Institute of Industrial Nanomaterials.
7 March (Sun)
SH joins 1st Brief Meeting of Grant-in-Aid for Transformative Research Areas (A) (Hyper-Ordered Structure Science).
4 March (Thu)
A poster presentation is carried out on ‘Electronic Structures and Chemical Natures of Inhomogeneous Gd-TM (TM = Co, Ni, and Cu) Metallic Glasses’ at The 25th Hiroshima International Symposium on Synchrotron Radiation held on 4-5 of March remotely.
3 March (Wed)
SH visits Jens at Hiroshima University to discuss the experimental plans and previous results.
28 February (Sun)
A paper ‘Collective dynamics of liquid acetone investigated by inelastic x-ray scattering’ is accepted to publish in Journal of Molecular Liquids. Longitudinal acoustic phonon modes of liquid acetone are obtained by inelastic x-ray scattering, and analyzed by a generalized Langevin equation with a simple sparse modeling. The obtained fast and slow viscoelastic relaxation rates are found for the first time to correspond to vibration mode in the molecule and rotational mode of the molecule, respectively.
26 February (Fri)
A special issue dedicated to Hirohisa Endo on the occasion of his 90th birthday is published in Zeitschrift für Physikalische Chemie. A paper ‘Transverse Acoustic Phonon Excitations in Liquid Metals’ is accepted to publish in Zeitschrift für Physikalische Chemie 235, 99-115 (2021). Transverse excitations in liquid metals are reviewed.
25 February (Thu)
A paper ‘The local structure of the Fibonacci chain and the Penrose tiling from x-ray fluorescence holography’ is published in Materials Transactions 62, 342-349 (2021). Jens estimates atomic images of typical quasicrystal by fluorescence x-ray holography.
20 February (Fri)
SH visits Institute for Materials Research, Tohoku University to discuss metallic glass science with Ichitsubo san from 15th.
9 February (Tue)
Mr. Ootsu and Mr. Yoshimoto make the talks at the Presentation Meeting of Graduation Theses.
4 February (Thu)
A paper ‘Detailed structural analysis of amorphous Pd40Cu40P20: Comparison with the metallic glass Pd40Ni40P20 from the viewpoint of glass forming ability’ is published in Journal of Non-Crystalline Solids 555, 120536-1-10 (2021). Structure of amorphous Pd40Cu40P20 is obtained by a combination of anomalous x-ray scattering, neutron diffraction, and reverse Monte Carlo calculation, and the relationship with glass-forming ability is discussed in comparison to Pd40Ni40P20 glass.
26 January (Tue)
An anomalous x-ray scattering experiment is carried out at BL13XU of the SPring-8 from 22nd to 26th. Jens, Dr. Onodera of Kyoto University, and Prof. Hayashi’s group of Nagoya Institute of Technology join the experiment.
20 January (Wed)
An XAFS experiment is carried out at BL11 of Saga Light Source. Jens joins the experiment.
15 January (Fri)
SH remotely joins Expert Workshop on Nuclear Resonant Scattering of Synchrotron Radiation from 12 to 15 of January.
13 January (Wed)
A paper ‘Detailed investigations on short- and intermediate-range structures of Ge-Se glasses near the stiffness transition composition’ is published in Journal of Physical Society of Japan 90, 024601-1-12 (2021). In addition to previous anomalous x-ray scattering, neutron diffraction data are included in the reverse Monte Carlo modeling, and the relationship between the stiffness transition and hyper-ordered structures is clarified in Ge-Se glasses.
10 January (Sun)
A poster presentation was carried out on ‘Local structures of amorphous Mg LPSO alloy’ at “34th Annual Meeting of the Japanese Society for Synchrotron Radiation Research held remotely.
9 January (Sat)
A poster presentation was carried out on ‘Rejuvenation effect and structural change in Gd65TM35 (TM = Co, Ni, Cu) metallic glasses by thermal cycling treatment’ at “34th Annual Meeting of the Japanese Society for Synchrotron Radiation Research held remotely.
