Soft X-ray Photoelectron Momentum Microscopy: resonating valence band element selectively

  • Joint Seminar
  • Date: Jun 7, 2021
  • Time: 10:00
  • Speaker: Dr. Fumihiko Matsui
  • UVSOR synchrotron facility, Institute for Molecular Science, Japan
  • Host: Takashi Kumagai
Soft X-ray Photoelectron Momentum Microscopy: resonating valence band element selectively
Joint seminar of Fritz Haber Institute and Institute for Molecular Science, Japan. Photoelectron micro-spectroscopy and spectro-microscopy are important approaches for elucidating the local electronic properties of micro- and nano-structures. By combining the photoelectron momentum microscope (PMM) and a soft X-ray synchrotron radiation, three-dimensional momentum-resolved photoelectron spectroscopy with a microscopic field of view is realized.

We have built a new PMM station at the soft X-ray beamline BL6U of UVSOR. With a photon energy range up to 800 eV covered by the BL6U, core-level excitation of a variety of important elements including C, N, O and transition metals is possible. Specific atomic sites and electronic states can be selectively characterized by the spectator and participant Auger processes, respectively. Resonant momentum-resolved photoelectron spectroscopy is yet a challenging field that opens the door to elemental- and orbital-selective valence band dispersion analysis.

Join Zoom-Meeting
https://zoom.us/j/98860167031?pwd=Um1MUDAyWkIvT0xXSUhNY3JQSU5WZz09
Meeting-ID: 988 6016 7031
Passcode: 607306

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