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3D Active site science Laboratory

 

Recent News

 

20 April (Fri)

A paper ”Temperature dependent local atomic structures in the traditional Fe65Ni35 Invar alloy by x-ray fluorescence holography” is accepted to publish in Surface and Interface Analysis. Temperature dependence of atomic structures in a Fe-Ni Invar alloy is observed by fluorescence x-ray holography.


A paper ”Improvement of graphite crystal analyzer for light elements on x-ray fluorescence holography measurement” is published in Japanese Journal of Applied Physics 57, 058006 (2018). Professor Happo of Hiroshima City University shows the development of the holography apparatus for light elements.


10 April (Tue)

A paper ”Principle and reconstruction algorithm for atomic-resolution holography” is published in Journal of the Physical Society of Japan 87, 061002 (2018). Dr. Matsushita of JASRI reviews the principle of the atomic resolution holography and the algorithm of image reconstruction.


31 March (Sat)

A symposium on Deepening and development of data driven science is held by JSPS Grant-in-Aid for Scientific Research on Innovative Areas “Sparse Modeling” at Koshiba Hall in The University of Tokyo.


28 March (Wed)

Anomalous x-ray scattering experiments were carried out on 27-28 of March at The Kyushu Synchrotron Light Research Center in Tosu.


24 March (Sat)

A symposium on ‘Evolution and Deepening in Studies of Structure and Properties for Non-Periodic Materials - Application to Materials Developments by Interdisciplinary Research‘ is organized at the 73th Anual Meeting of Physical Society of Japan held at Tokyo University of Science on 22-25 of March.


23 March (Fri)

An oral presentation was carried out on ‘Phonon dynamics of liquid Au by inelastic x-ray scattering‘ at the 73th Anual Meeting of Physical Society of Japan held at Tokyo University of Science on 22-25 of March.


20 March (Tue)

An oral presentation was carried out on ‘Observation of the seeds of Zn6Y8 L12-type clusters in amorphous Mg85Zn6Y9 alloy by photoemission spectroscopy‘ at the 162th Annual Spring Meeting of the The Japan Institute of Metals and Materials held at Chiba Institute of Technology on 19-21 of March.


19 March (Mon)

A poster presentation was carried out by Yamamoto san’s group of Utsunomiya University on ‘Room temperature annealing effect for local structure around Ni in Al0.3CrFeCoNi high entropy alloy‘ at The 162th Annual Spring Meeting of the The Japan Institute of Metals and Materials held at Chiba Institute of Technology on 19-21 of March. This presentation was awarded as 30th An Excellent Poster Presentation.


10 March (Sat)

Two poster presentation were carried out on ‘An x-ray fluorescence holographic study for the determination of the Impurity site in Mn-doped Bi2Te3’ and ‘Local structure of a Nd dopant in LaF3 by x-ray fluorescence holography’ at 7th Meeting of results briefing on the JSPS Grant-in-Aid on Innovative Areas “3D Active-Site Science” held at Hiroshima City University on 10-11 of March.


8 March (Thu)

Two poster presentation were carried out on ‘Electronic structures and impurity cluster features in Mg-Zn-Y alloys with a synchronized long-period stacking ordered phase’ and ‘The seeds of Zn6Y8 L12-type clusters in amorphous Mg85Zn6Y9 alloy investigated by photoemission spectroscopy’ at The 22nd Hiroshima International Symposium on Synchrotron Radiation held at Hiroshima University on 8-9 of March.


4 March (Sun)

A poster presentation was carried out on ‘An x-ray fluorescence holographic study for the determination of the Impurity site in Mn-doped Bi2Te3’ at Quantum Beam Science Festa 2017 held at Ibaraki Prefectural Inhabitant of a Prefecture Culture Center on 2nd-4th of March.


3 March (Sat)

Both of two contributions of “Phonon excitations in an anisotropic metaphosphate glass” and ”Local- and intermediate-range structures of room-temperature superionic Ag-GeSe3 glasses” are accepted as oral presentations in The 15th International Conference on the Physics of Non-Crystalline Solids held at St. Malo in France on 9-13 of July.


1 March (Thu)

The deadline of the Physica Status Solidi (b) paper concerning the 5th International Synposiumu on Kumamoto Synchrotron Radiation (ISKSR5) is extended to 31st of March.


28 February (Wed)

Neutron holography experiments ended at the beamline BL10  (NOBORU) of MLF in the J-PARC in Tokai.


27 February (Tue)

A collaboration is carried out with Prof. Kato of Institute for Materials Research, Tohoku University in Sendai.


A paper ”Improvement of graphite crystal analyzer for light elements on x-ray fluorescence holography measurement” is accepted in Japanese Journal of Applied Physics for the publication. Professor Happo of Hiroshima City University shows the development of the holography apparatus for light elements.


22 February (Thu)

Neutron holography experiments are started at the beamline BL10  (NOBORU) of MLF in the J-PARC in Tokai.


20 February (Tue)

Hosokawa participates MEXT-JST Element Strategy Joint Symposium ~ Advancement and Future of Element Strategy ~ held at JP Tower Hall near Tokyo Station.


A fluorescence x-ray holography experiment was carried out at  the beamline BL6C in the PF-KEK. SH joins from 17-20, and Jens from 14-19. We discussed with Prof. Happo of Hiroshima City Univ., Prof. Hayashi of Nagoya Inst. Tech., and Profs. Iwasa and Ohoyama of Ibaraki Univ.


13 February (Tue)

Mr. Akaboshi of 4th grade student presents “Local structure analysis FeSe0.4Te0.6 high-temperature superconductor” at the Bachelor's Defense meeting.


12 February (Mon)

A paper ”Principle and reconstruction algorithm for atomic-resolution holography” is accepted in Journal of the Physical Society of Japan for the publication. Dr. Matsushita of JASRI reviews the principle of the atomic resolution holography and the algorithm of image reconstruction.


5 February (Mon)

A poster ”An inelastic x-ray scattering study on the origin of the strengthen mechanism for a Mg-based LPSO phase“ is presented  at the 3rd Element Strategy Initiative: To Form Core Research Centers Symposium on the Elements Strategy Large-scale Research Facilities held on 5-6th of February at Ito Hall, the University of Tokyo.


4 February (Son)

A fluorescence x-ray holography experiment was carried out with Jens at BL12B2 Taiwan beamline in the SPring-8 from 1st to 4th of February.


31 January (Wed)

A total lunar eclipse occur at about 10 pm for about one hour.


29 January (Mon)

A paper Phonon excitations in a single crystal Mg85Zn6Y9 with a synchronized long-period stacking ordered phase is published in Acta Materialia 146, 273-279 (2018). The impurity effect in the elastic properties of Mg alloy was sturdied by inelastic x-ray scattering experiment.


22 January (Mon)

Neutron scattering experiments are carried out at BL21 (NOVA) of

Materials and Life Science Experimental Facility (MLF) in J-PARC at Tokai, Ibaragi.


20 January (Sat)

A paper Distinguishing the local environments of Ga and Ge in amorphous (Ga2Se3)0.25(GeSe2)0.75 by anomalous X-ray scattering is published in Chalcogenide Letters 15, 1-6 (2018). Local structures of a Ga-Ge-Se glass were investigated by anomalous x-ray scattering at ESRF, which was presented at 8th International Conferece on Amorphous and Nano-Structures Chalcogenides by Benjamin of University of Marburg.


19 January (Fri)

On the paper published in Acta Materialia, “From the observation of the atomic vibrations in KUMADAI Magnesium, the origin of their stiffness is found - The important guideline for new structural materials -” is press released from Kumamoto University.


14 January (Sun)

A paper “Lattice distortions in TlInSe2 thermoelectric material studied by x-ray absorption fine structure” is published in Physica Status Solidi A 215(1), 1700416-1-8 (2018). This paper was studied  on a commensurate-incommensurate transition in TlInSe2 thermoelectric material by an XAFS experiment.


10 January (Wed)

A poster presentation was carried out on ‘Atomic structural characterization on the rejuvenation effect in Gd65Co35 metallic glass by anomalous x-ray scattering’ at 31th Annual Meeting of the Japanese Society for Synchrotron Radiation Research held at Tsukuba International Congress Center on 8th-10th of January.


8 January (Mon)

Two oral presentations were carried out on ‘Determination of impurity sites in Mn-doped Bi2Te3 topological insulator by x-ray fluorescence holography’ by SH and ‘Atomic configurations and positional fluctuations in decagonal phase Al75Ni10Co15 quasicrystal by x-ray fluorescence holography‘ by Jens at 31th Annual Meeting of the Japanese Society for Synchrotron Radiation Research held at Tsukuba International Congress Center on 8th-10th of January.



 

Shinya HOSOKAWA

Kumamoto University

Faculty of Advanced Science and Technology

Department of Physics Professor

2-39-1 Kurokami, Chuo-ku, Kumamoto 860-8555, JAPAN


Faculty of Science, Building 3, RoomD114


Tel./Fax. 096-342-3353 


E-mail: shhosokawa (at) kumamoto-

u.ac.jp

We participate two Innovative area of Grant-in-Aids

3D Active site science

Sparse modeling

The Kyushu Synchrotron Light Research Center