NW10A High-energy XAFS

2020/3/9 2023/8/1

Techniques

XAFS(X-ray Absorption Fine Structure)

Energy range: 14 – 42 keV (8 – 14 keV with Mirror)
Transmission mode: QXAFS
Fluorescent mode: Lytle detector, Multi Ge-SSD

Other experimental with monochromatized X-ray

Please contact us before experiment

Light source

PF-AR Bending magnet #NW10

Ring energy: 6.5 GeV
Max. current: 60 mA (Not Top-up operation)
Critical energy: 26.3 keV
Horizontal acceptance: 1 mrad

Beamline optics

Monochromator

Si(311) Water-cooled double crystal
Energy range: 8 – 42 keV
Cam-drive (Kohzu system)

Focusing system

Bent cylinder mirror (Pt coated)
Standard beam size: 1.0H x 1.0V mm

Others

Double flat morror (Rh coated) for higher harmonics reduction

Performance

Focused and Monochromatized mode

Energy range: 8 – 42 keV*
*8 – 14 keV with higher harmonics reduction mirror
Energy resolution: ΔE/E～1×10^-4 (9 keV)
Photon flux at sample position: 6×10¹⁰ phs/s (25 keV)

Experimantal station

Experimental hutch

Hatch size: 4.0L x 3.2W x 2.8H m
Door size: 2.4W x 2.4H m

Standard setup

Flat table size: 2000L x 1200W mm
XAFS setup: Ionization chumber, 21-elements Ge-SSD, Cryocooler

Highlights

Photon Factory Highlights 2017, 2-6, Why Is Water More Reactive than Hydrogen in Photocatalytic CO2 Conversion? – Elucidation by Means of X-Ray Absorption Fine Structur, H. Zhang, S. Kawamura and Y. Izumi
Photon Factory Highlights 2016, 3-2, Ammonia Synthesis over Self-Organized Flat Ru Nanoparticles on Calcium Amide, Y. Inoue, M. Kitano, H. Abe, Y. Niwa, T. Yokoyama, M. Hara and H. Hosono
Photon Factory Highlights 2015, 3-2, Anomalous Structural Behavior in the Magnetic and Structural Transition of FeRh Thin Films from a Local Viewpoint, Y. Wakisaka, Y. Uemura, T. Yokoyama, H. Asakura, H. Morimoto, M. Tabuchi, D. Ohshima, T. Kato1 and S. Iwata
Photon Factory Highlights 2015, 4-3, Role of Microorganisms on the Transformation of Lanthanides during the Biooxidation of Divalent Manganese, T. Ohnuki, Q. Yu, N. Kozai, S. Yamasaki, F. Sakamoto and Y. Tani

Beamline manager

城戸大貴 / KIDO Daiki (KEK-PF)
daiki.kido[@]kek.jp