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Synchrotron Radiation Laboratory / Harima Office

The synchrotron radiation laboratory (SRL) advances novel materials research by developing soft X-ray spectroscopic techniques using the high-brilliance synchrotron radiation source. In the Harima Office, we have the world's highest performance fast polarization-switching soft X-ray undulator beamline (University of Tokyo Synchrotron Radiation Outstation Beamline) at SPring-8 BL07LSU, which is equipped with ambient pressure photoemission spectroscopy, three-dimensional nano-ESCA, and high-resolution soft X-ray emission spectroscopy stations. We actively accept joint research projects including international and industrial collaborations. Joint Research at SPring-8 will end in the first half of FY2022, and in the second half of FY2022, laser-spin angle-resolved photoemission spectroscopy and ambientpressure X-ray photoelectron spectroscopy using X-ray tubes will be conducted. We are also working on the R&D of a new spectroscopic imaging station to advance our measurement techniques for the next generation synchrotron radiation NanoTerasu. In the E-building at Kashiwa, an ultra-high resolution spin-resolved photoemission spectrometer equipped with the VLEED spin detector, is under operation and open for joint research using vacuum ultraviolet and soft X-ray laser sources developed by the LASOR laser group. We are also starting up a time-resolved photoemission spectroscopy system moved from SPring-8 to the E-building.

Synchrotron Radiation Laboratory / Harima Office

Member(*Leader, **Dupty Leader ) Research Subjects
HARADA, Yoshihisa **
Professor
Group's HP
  1. Electronic structure analysis of aqueous solutions to study microheterogeneity and interaction at solid-liquid interfaces
  2. Development of in situ soft X-ray spectroscopy for surface reaction of battery catalysts and electrodes, electrochemical reaction, photocatalytic reaction and functionality of metalloproteins
  3. Study on the origin and observation of elementary excitations (crystal field excitation, spinon, magnon, charge density wave, orbiton) in strongly correlated materials
  4. Basic study on ultrahigh energy resolution optics for soft X-ray emission and time-resolved spectroscopy
KIMURA, Takashi
Associate Professor
Group's HP
  1. Development of high-precision X-ray optical devices using ultra-precision fabrication and measurement techniques
  2. Femtosecond imaging of samples in liquids using X-ray free-electron lasers
  3. Lens-less Imaging Using Phase Recovery Calculation
MATSUDA, Iwao
Professor
Group's HP
  1. Dirac Fermions in monatomic layers
  2. Study of non-linear X-ray spectroscopy by X-ray free electron laser
  3. operando X-ray experiments to study molecule and carrier dynamics at surfaces
  4. Developments of frontier technologies for undulator beamlines of the next generation synchrotron radiation
Members holding a concurrent position
KONDO, Takeshi
Associate Professor
Group's HP
Main;Laser and Synchrotron Research Center