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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 μm) 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.
Recent publications
  • About
  • Publications

Publisher Correction: A charge-density-wave topological semimetal

Nature Physics Springer Nature 17:2 (2021) 284-284

Authors:

Wujun Shi, Benjamin J Wieder, Holger L Meyerheim, Yan Sun, Yang Zhang, Yiwei Li, Lei Shen, Yanpeng Qi, Lexian Yang, Jagannath Jena, Peter Werner, Klaus Koepernik, Stuart Parkin, Yulin Chen, Claudia Felser, B Andrei Bernevig, Zhijun Wang
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A vacuum ultraviolet laser with a submicrometer spot for spatially resolved photoemission spectroscopy

Light: Science & Applications Springer Nature 10:1 (2021) 22

Authors:

Yuanhao Mao, Dong Zhao, Shen Yan, Hongjia Zhang, Juan Li, Kai Han, Xiaojun Xu, Chuan Guo, Lexian Yang, Chaofan Zhang, Kun Huang, Yulin Chen
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Electronic structures of topological quantum materials studied by ARPES

Chapter in Topological Insulator and Related Topics, Elsevier 108 (2021) 1-42

Authors:

Lexian Yang, Haifeng Yang, Yulin Chen
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Surface photovoltaic effect and electronic structure of β-InSe

Physical Review Materials American Physical Society (APS) 4:12 (2020) 124604

Authors:

L Kang, L Shen, YJ Chen, SC Sun, X Gu, HJ Zheng, ZK Liu, JX Wu, HL Peng, FW Zheng, P Zhang, LX Yang, YL Chen
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Observation of Topological Electronic Structure in Quasi-1D Superconductor TaSe3

Matter Elsevier 3:6 (2020) 2055-2065

Authors:

Cheng Chen, Aiji Liang, Shuai Liu, Simin Nie, Junwei Huang, Meixiao Wang, Yiwei Li, Ding Pei, Haifeng Yang, Huijun Zheng, Yong Zhang, Donghui Lu, Makoto Hashimoto, Alexei Barinov, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, Xufeng Kou, Lexian Yang, Yanfeng Guo, Zhijun Wang, Hongtao Yuan, Zhongkai Liu, Yulin Chen
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