Introduction:
Photoemission end-station (BL10B) is a universal spectroscopic experimental station based on soft X-rays synchrotron radiation, which can provide soft X-rays synchrotron radiation ranging from 100 eV to 1000 eV. Soft X-ray spectroscopy is a powerful tool for studying electronic states, which obtains the fine electronic structure of materials by exciting electrons. BL10B mainly provides two experimental methods: synchrotron radiation photoelectron spectroscopy (SRPES) and synchrotron radiation soft X-ray absorption spectroscopy (sXAS). SRPES: soft X-rays synchrotron radiation excite the inner layer electrons of materials, allowing them to gain kinetic energy and escape the material surface, forming photoelectrons. By detecting these emitted photoelectron signals, the chemical state information of the internal elements of the material can be obtained. sXAS: soft X-rays synchrotron radiation excite inner layer electrons to unoccupied states, leaving holes in the inner shell. The occupied state electrons in adjacent orbitals immediately de excite and fill the hole. Due to the characteristic orbital arrangement of different elements, the electronic structure information of unoccupied states of internal elements in the material can be obtained by detecting the current signal generated during this process. In addition, end-station equipped with in-situ infrared testing chamber and high-temperature and high-pressure reaction chamber.
Main specifications:
The energy range of photoemission end-station is 100-1000 eV, and the spot size at the sample point is 1 × 1 mm2 (H × V). The overall luminous flux is better than 1 × 1010 photons/s. The energy resolution of the beamline is 8905@122 eV，5378@244 eV，2915@866 eV. The following experiments can be conducted: synchrotron radiation photoelectron spectroscopy, synchrotron radiation valence band spectroscopy, photoelectron spectroscopy, and synchrotron radiation soft X-ray absorption spectroscopy (including the K-edge of non-metallic elements such as C, N, O, and the L-edge of 3d metallic elements such as Fe, Co, Ni, Cu).
Primary contact(s)：
Haibin Pan | hbpan@ustc.edu.cn |
Xusheng Zheng | zxs@ustc.edu.cn |
| Lihui Wu | lhwu@ustc.edu.cn |
Xiaokang Liu | liuxk@ustc.edu.cn |
