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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

Pressure-induced superconductivity and structure phase transition in Pt2HgSe3

npj Quantum Materials Springer Nature 6:1 (2021) 98

Authors:

Cuiying Pei, Suhua Jin, Peihao Huang, Anna Vymazalova, Lingling Gao, Yi Zhao, Weizheng Cao, Changhua Li, Peter Nemes-Incze, Yulin Chen, Hanyu Liu, Gang Li, Yanpeng Qi
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Observation of electronic structure and electron-boson coupling in the low-dimensional superconductor Ta4Pd3Te16

Physical Review B American Physical Society (APS) 104:22 (2021) l220501

Authors:

HF Yang, XL Liu, SM Nie, WJ Shi, K Huang, HJ Zheng, J Zhang, YW Li, AJ Liang, MX Wang, LX Yang, YF Guo, ZK Liu, YL Chen
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Magnetism-induced topological transition in EuAs3

Nature Communications Springer Nature 12:1 (2021) 6970

Authors:

Erjian Cheng, Wei Xia, Xianbiao Shi, Hongwei Fang, Chengwei Wang, Chuanying Xi, Shaowen Xu, Darren C Peets, Linshu Wang, Hao Su, Li Pi, Wei Ren, Xia Wang, Na Yu, Yulin Chen, Weiwei Zhao, Zhongkai Liu, Yanfeng Guo, Shiyan Li
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Topological phase transition in a magnetic Weyl semimetal

Physical Review B American Physical Society (APS) 104:20 (2021) 205140

Authors:

DF Liu, QN Xu, EK Liu, JL Shen, CC Le, YW Li, D Pei, AJ Liang, P Dudin, TK Kim, C Cacho, YF Xu, Y Sun, LX Yang, ZK Liu, C Felser, SSP Parkin, YL Chen
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Pressure-induced a partial disorder and superconductivity in quasi-one-dimensional Weyl semimetal (NbSe4)2I

Materials Today Physics Elsevier 21 (2021) 100509

Authors:

C Pei, W Shi, Y Zhao, L Gao, J Gao, Y Li, H Zhu, Q Zhang, N Yu, C Li, W Cao, SA Medvedev, C Felser, B Yan, Z Liu, Y Chen, Z Wang, Y Qi
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