BL22XU OUTLINE
問い合わせ番号
INS-0000000327
ABSTRACT
BL22XU was constructed as a hard x-ray undulator beamline, extending to the RI building through the experimental hall of the storage ring building, and starting operation in May 2002. JAEA promotes fundamental and applied research on the actinides science and also contributes to restore the environment of Fukushima, with complimentary use of another beamline BL23SU, which also led to the RI building for supplying soft x-rays. This beamline has experimental stations in the storage ring building and the RI building. The RI building is dedicated to treat radio isotopes including transuranium elements as sealed materials, and the analysis for fuel debris will be executed to contribute the decomissioning of Fukushima Dai-ichi Nuclear Power Plant.
AREA OF RESEARCH
- HAXPES
- Microbeam XAFS
- Residual stress distribution/imaging measurement
- Surface X -ray diffraction
- High energy X-ray diffraction
- Atomic pair distribution function (PDF) measurements
KEYWORDS
- Scientific field
Actinides science, Materials science for energy and environment, Restoring the environment of Fukushima, Decommissioning of nuclear power plants
High-pressure x-ray diffraction, Powder x-ray diffraction, X-ray total scattering, Atomic pair distribution function (PDF), High temperature, X-ray absorption, Strongly correlated electron systems, Stress, Strain, Imaging - Equipment
XAFS, HAXPES, imaging system, κ-type x-ray diffractmeter, Kirkpatrick-Baez x-ray focusing mirror
SOURCE AND OPTICS
The light source is an in-vacuum undulator with a periodic length of 38 mm, whereby x-rays of 4 - 70 keV are available as first harmonic up to fifth harmonic radiations.
There are two double crystal monochromators installed in the optical hutch. One is a calculated-coupled monochromator used at a fixed energy between 35 keV and 70 keV. A pair of Si (111) crystals can disperse high intensity x-rays. The other is a cam type monochromator for quick scan and it covers just from 4 keV to 70 keV as the cam type monochromator has Si (111) and Si (311) crystals, which is possible to switch crystals under liquid nitrogen cooling temperature and high vacuum.
As a focusing device, a set of beryllium refraction lenses is installed in the optics hutch. In addition, a first mirror and three second mirrors are installed in the experimental hutch 2 to focus incident X-rays and cut higher harmonics parts. The first mirror M1 is a mechanically-bent plane mirror for vertical focusing. The second mirrors M2, M3, and M4 are cylindrical mirrors for horizontal focusing, and are used in energy ranges 4 ∼ 7 keV, 7∼16 keV and 16∼30 keV, respectively.
- X-rays at sample
Energy range 35 ∼ 70 keV by the calculated coupled monochromator
4 ∼ 70 keV by the cam type monochromatorEnergy resolution ΔE/E ∼ 10-4 Photon flux 2 ×1013 ph/s/mm2 Beam size
(at exp. hutch 3)At 10 keV
normal : 2.0 (V) × 3.2 (H) mm2
focusing : 0.5 (V) × 0.4 (H) mm2
Schematic view of beamline
EXPERIMENTAL STATIONS
- HAXPES
- XAFS
- Apparatus for imaging and residual stress distribution measurement
- Kappa-type x-ray diffractomoter
PUBLICATION SEARCH
* Sorry, Some parts of results are displayed using Japanese characters.
CONTACT INFORMATION
For each e-mail address shown below, please replace “@SP8” with "@spring8.or.jp", “@JAEA” with “@jaea.go.jp”, and “@QST” with “@qst.go.jp”, respectively.
Experimental station
Tohru KOBAYASHI (XAFS)
Japan Atomic Energy Agency, Materials Sciences Research Center
1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148
Phone : +81-80-9663-6134
Fax : +81-(0)-791-58-2620
e-mail : tohru-k@SP8
Masaaki KOBATA (HAXPES)
Japan Atomic Energy Agency, Materials Sciences Research Center
1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148
Phone : +81-80-3245-4406
Fax : +81-(0)-791-58-2620
e-mail : m-kobata@SP8
Aki TOMINAGA (Residual stress distribution measurement)
Japan Atomic Energy Agency, Materials Sciences Research Center
1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148
Phone : +81-70-1524-2016
Fax : +81-(0)-791-58-2620
e-mail : tominaga.aki@JAEA
Beamline
Hajime TANIDA
Japan Atomic Energy Agency, Materials Sciences Research Center
1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148
Phone: +81-80-4903-5984
Fax: +81-(0)-791-58-2620
e-mail: tanida@SP8
Tohru KOBAYASHI (XAFS)
Japan Atomic Energy Agency, Materials Sciences Research Center
1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148
Phone: +81-80-9663-6134
Fax: +81-(0)-791-58-2620
e-mail: tohru-k@SP8
Masaaki KOBATA (HAXPES)
Japan Atomic Energy Agency, Materials Sciences Research Center
1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo 679-5148
Phone: +81-80-3245-4406
Fax: +81-(0)-791-58-2620
e-mail: m-kobata@SP8