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A VUV sub-micron hotspot for photoemission spectroscopy

Vacuum ultraviolet (VUV) lasers have exhibited great potential as the light source for various spectroscopies, which, if they can be focused into a smaller beam spot, will not only allow investigation of mesoscopic materials but also find applications in manufacture of nano-objects with excellent precision. Towards this goal, scientists in China invented a 177 nm VUV laser system that can achieve a record-small (<1 渭m) focal spot at a long focal length (~45 mm). This system can be re-equipped for usage in low-cost ARPES and might benefit quantum materials, condensed matter physics and nanophotonics.

Prof Yulin Chen

Professor of Physics

Research theme

  • Quantum materials

Sub department

  • Condensed Matter Physics

Research groups

  • Electronic structures and photoemission spectroscopy
yulin.chen@physics.ox.ac.uk
Clarendon Laboratory, room RM263, Mullard Bldg.
  • About
  • Publications

Twist-Induced Modification in the Electronic Structure of Bilayer WSe2

Nano Letters American Chemical Society (ACS) 23:15 (2023) 7008-7013

Authors:

Ding Pei, Zishu Zhou, Zhihai He, Liheng An, Han Gao, Hanbo Xiao, Cheng Chen, Shanmei He, Alexei Barinov, Jianpeng Liu, Hongming Weng, Ning Wang, Zhongkai Liu, Yulin Chen

Pressure-induced superconductivity in topological heterostructure (PbSe)5(Bi2Se3)6

Science China Materials Springer Nature 66:7 (2023) 2822-2828

Authors:

Cuiying Pei, Peng Zhu, Bingtan Li, Yi Zhao, Lingling Gao, Changhua Li, Shihao Zhu, Qinghua Zhang, Tianping Ying, Lin Gu, Bo Gao, Huiyang Gou, Yansun Yao, Jian Sun, Hanyu Liu, Yulin Chen, Zhiwei Wang, Yugui Yao, Yanpeng Qi

Angle-resolved photoemission spectroscopy studies oftopological semimetals

SCIENTIA SINICA Physica, Mechanica & Astronomica Science China Press 53:6 (2023) 267007

Authors:

ShunYe GAO, QIAN Tian, LeXian YANG, ZhongKai LIU, YuLin CHEN

Evidence for Band Renormalizations in Strong-Coupling Superconducting Alkali-Fulleride Films

Physical Review Letters American Physical Society (APS) 130:21 (2023) 216004

Authors:

JS Zhou, RZ Xu, XQ Yu, FJ Cheng, WX Zhao, X Du, SZ Wang, QQ Zhang, X Gu, SM He, YD Li, MQ Ren, X C., QK Xue, YL Chen, CL Song, LX Yang

Observation of Mott instability at the valence transition of f-electron system

National Science Review Oxford University Press (OUP) 10:6 (2023) nwad035

Authors:

Haifeng Yang, Jingjing Gao, Yingying Cao, Yuanji Xu, Aiji Liang, Xiang Xu, Yujie Chen, Shuai Liu, Kui Huang, Lixuan Xu, Chengwei Wang, Shengtao Cui, Meixiao Wang, Lexian Yang, Xuan Luo, Yuping Sun, Yi-feng Yang, Zhongkai Liu, Yulin Chen

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