A hard X-ray nanospectroscopy station at SPring-8 BL39XU

M. Suzuki, N. Kawamura, M. Mizumaki, Y. Terada, T. Uruga, A. Fujiwara, H. Yamazaki, H. Yumoto, T. Koyama, Y. Senba, T. Takeuchi, H. Ohashi, N. Nariyama, K. Takeshita, H. Kimura, T. Matsushita, Y. Furukawa, T. Ohata, Y. Kondo, J. AriakeJ. Richter, P. Fons, O. Sekizawa, N. Ishiguro, M. Tada, S. Goto, M. Yamamoto, M. Takata, T. Ishikawa

Research output: Contribution to journalConference articlepeer-review

26 Citations (Scopus)


We upgraded the hard X-ray spectroscopy beamline BL39XU at SPring-8 by installing Kirkpatrick-Baez mirrors to equip it with submicron-focusing capability. At the new experimental end-station located 74 m from the undulator source, an X-ray nanoprobe with a size of 120 x 100 nm2 has become available at 5-16 keV. This upgrade is fully compatible with the X-ray polarization tunability and helicity-switching between right- and left-circular polarizations; these are unique features of the beamline, which is equipped with a diamond X-ray phase retarder. A spatial resolution of ≈100 nm for X-ray absorption fine structure and X-ray magnetic circular dichroism (XMCD) spectroscopy has been achieved. We show a magnetization reversal process of an individual magnetic dot in bit-patterned perpendicular recording media using element-specific XMCD magnetization measurements to demonstrate the performance of the new station.

Original languageEnglish
Article number012017
JournalJournal of Physics: Conference Series
Issue number1
Publication statusPublished - 2013
Event15th International Conference on X-Ray Absorption Fine Structure, XAFS 2012 - Beijing, China
Duration: 2012 Jul 222012 Jul 28


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