BL12C High-throughput XAFS

Techniques

XAFS(X-ray Absorption Fine Structure)

  • Energy range: 4 – 23 keV (4 – 6 keV with Mirror)
  • Transmission mode: QXAFS
  • Fluorescent mode: Lytle detector, 7-elements Silicon Drift Detector (SDD)

Other experimental with monochromatized X-ray

  • Please contact us before experiment

Light source

PF Bending magnet #12

  • Ring energy: 2.5 GeV
  • Max. current: 450 mA (Usually Top-up operation)
  • Critical energy: 4 keV
  • Horizontal acceptance: 2 mrad

Beamline optics

Monochromator

  • Si(111) Water-cooled double crystal
  • Energy range: 4 – 23 keV
  • Cam-drive (Kohzu system)

Focusing system

  • Bent cylinder mirror (Rh coated)
  • Standard beam size: 0.6H x 0.6V mm

Others

  • Double flat morror (Ni coated) for higher harmonics reduction

Performance

Focused and Monochromatized mode

  • Energy range: 4 – 23 keV
  • Energy resolution: ΔE/E~2×10-4
  • Photon flux at sample position: 9×1010 phs/s (8 keV)

Experimantal station

Experimental hutch

  • Hatch size: 3.0L x 3.2W x 2.8H m
  • Door size: 2.4W x 2.4H m

Standard setup

  • Flat table size: 1500L x 1000W mm
  • XAFS setup: Ionization chumber, 7-elements SDD, Cryocooler
  • Automatic sample changer system (Max. 100 samples)

Highlights

  • Photon Factory Highlights 2018, 1-8, Experimental Evidence of Orbital Ferrimagnetism by X-Ray Magnetic Circular Dichroism, H. Koizumi, S. Sharmin, K. Amemiya, M. S-Sakamaki, J. Inoue and H. Yanagihara
  • Photon Factory Highlights 2018, 1-16, Nanoscale Ice-Type Structural Fluctuation in Spinel Titanates, S. Torigoe, T. Hattori, K. Kodama, T. Honda, H. Sagayama, K. Ikeda, T. Otomo, H. Nitani, H. Abe, H. Murakawa, H. Sakai and N. Hanasaki
  • Photon Factory Highlights 2017, 2-7, Origin of the Blue-Green Light Absorption of Ti-Doped AlN Films, S. Imada, N. Tatemizo, Y. Miura, K. Nishio, T. Isshiki1, S. Hirata, F. Sawa, and K. Fukui
  • Photon Factory Highlights 2017, 2-8, Structural Analysis of Ultra-Small Metal or Alloy Clusters, T. Imaoka, W.-J. Chun and K. Yamamoto
  • Photon Factory Highlights 2016, 3-3, Charge Compensation Mechanisms of Li1.2-xTi0.4Me0.4O2 (Me = Mn3+ and Fe3+) on Electrochemical Lithium Extraction, N. Yabuuchi
  • Photon Factory Highlights 2015, 3-1, Structure of the Most Catalytically Active Platinum Cluster (Pt19), T. Imaoka, W.-J. Chun and K. Yamamoto

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