NW10A High-energy XAFS

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

AXS(Anomalous X-ray scattering)

  • Equipment for AXS is maintained by user group (Tohoku Univ.)

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
  • AXS setup: Goniometer

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 staff

Beamline manager

  • 仁谷 浩明 / NITANI Hiroaki (KEK-PF)
    hiroaki.nitani[@]kek.jp

Sub manager

  • 丹羽 尉博 NIWA Yasuhiro (KEK-PF)
    yasuhiro.niwa[@]kek.jp
  • 松岡 亜衣 / MATSUOKA Ai (KEK-PF)
    ai.kamijo[@]kek.jp