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Performance of the BL03U beamline at SSRF.
1Center for Excellence in Superconducting Electronics, State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, People's Republic of China.
Journal of Synchrotron Radiation
|September 3, 2020
Summary
A new vacuum ultraviolet beamline (BL03U) at Shanghai Synchrotron Radiation Facility enables advanced angle-resolved photoemission spectroscopy. It achieves high energy-resolving power for detailed electronic structure studies.
Area of Science:
- Synchrotron Radiation Science
- Condensed Matter Physics
- Materials Science
Background:
- The development of advanced photon sources is crucial for high-resolution spectroscopy.
- Angle-resolved photoemission spectroscopy (ARPES) requires stable and tunable vacuum ultraviolet (VUV) light.
Purpose of the Study:
- To report the construction and performance of the BL03U beamline.
- To enable high-resolution ARPES studies at the Shanghai Synchrotron Radiation Facility.
Main Methods:
- Construction of the BL03U beamline utilizing an APPLE-Knot undulator.
- Operation within the 3.5 GeV Shanghai Synchrotron Radiation Facility.
- Characterization of energy-resolving power in the VUV range.
Main Results:
- The BL03U beamline operates with a photon energy range from 7 eV upwards.
- An energy-resolving power exceeding 4.6 × 10^4 was achieved between 21.6-48 eV.
- The achieved performance closely matches theoretical estimations.
Conclusions:
- The BL03U beamline is successfully commissioned and operational.
- The beamline provides a powerful tool for ARPES research.
- It meets the demanding requirements for studying electronic structures.