Journal
NUCLEAR SCIENCE AND TECHNIQUES
Volume 32, Issue 3, Pages -Publisher
SPRINGER SINGAPORE PTE LTD
DOI: 10.1007/s41365-021-00858-2
Keywords
Synchrotron; ARPES; In situ; VUV laser; Quantum materials
Categories
Funding
- National Key R&D Program of the MOST of China [2016YFA0300204]
- National Natural Science Foundation of China [11227902]
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Synchrotron ARPES is a powerful technique in condensed matter physics, with the specific system at the Shanghai Synchrotron Radiation Facility featuring small beam spot, high energy resolution, and a six-axis cryogenic sample manipulator for in situ characterization of electronic structure.
Angle-resolved photoemission spectroscopy (ARPES) is one of the most powerful experimental techniques in condensed matter physics. Synchrotron ARPES, which uses photons with high flux and continuously tunable energy, has become particularly important. However, an excellent synchrotron ARPES system must have features such as a small beam spot, super-high energy resolution, and a user-friendly operation interface. A synchrotron beamline and an endstation (BL03U) were designed and constructed at the Shanghai Synchrotron Radiation Facility. The beam spot size at the sample position is 7.5 (V) mu m x 67 (H) mu m, and the fundamental photon range is 7-165 eV; the ARPES system enables photoemission with an energy resolution of 2.67 meV at 21.2 eV. In addition, the ARPES system of this endstation is equipped with a six-axis cryogenic sample manipulator (the lowest temperature is 7 K) and is integrated with an oxide molecular beam epitaxy system and a scanning tunneling microscope, which can provide an advanced platform for in situ characterization of the fine electronic structure of condensed matter.
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