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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

Persistent surface states with diminishing gap in MnBi2Te4/Bi2Te3 superlattice antiferromagnetic topological insulator

Science Bulletin Elsevier 65:24 (2020) 2086-2093

Authors:

Lixuan Xu, Yuanhao Mao, Hongyuan Wang, Jiaheng Li, Yujie Chen, Yunyouyou Xia, Yiwei Li, Ding Pei, Jing Zhang, Huijun Zheng, Kui Huang, Chaofan Zhang, Shengtao Cui, Aiji Liang, Wei Xia, Hao Su, Sungwon Jung, Cephise Cacho, Meixiao Wang, Gang Li, Yong Xu, Yanfeng Guo, Lexian Yang, Zhongkai Liu, Yulin Chen, Mianheng Jiang
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Electronic origin of the enhanced thermoelectric efficiency of Cu2Se

Science Bulletin Elsevier 65:22 (2020) 1888-1893

Authors:

Shucui Sun, Yiwei Li, Yujie Chen, Xiang Xu, Lu Kang, Jingsong Zhou, Wei Xia, Shuai Liu, Meixiao Wang, Juan Jiang, Aiji Liang, Ding Pei, Kunpeng Zhao, Pengfei Qiu, Xun Shi, Lidong Chen, Yanfeng Guo, Zhengguo Wang, Yan Zhang, Zhongkai Liu, Lexian Yang, Yulin Chen
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High-throughput calculations of magnetic topological materials

Nature Springer Nature 586:7831 (2020) 702-707

Authors:

Yuanfeng Xu, Luis Elcoro, Zhi-Da Song, Benjamin J Wieder, MG Vergniory, Nicolas Regnault, Yulin Chen, Claudia Felser, B Andrei Bernevig
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Exploiting Two‐Dimensional Bi2O2Se for Trace Oxygen Detection

Angewandte Chemie International Edition Wiley 59:41 (2020) 17938-17943

Authors:

Shipu Xu, Huixia Fu, Ye Tian, Tao Deng, Jun Cai, Jinxiong Wu, Teng Tu, Tianran Li, Congwei Tan, Yan Liang, Congcong Zhang, Zhi Liu, Zhongkai Liu, Yulin Chen, Ying Jiang, Binghai Yan, Hailin Peng
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Erratum: “Experimental observation of conductive edge states in weak topological insulator candidate Hf Te5” [APL Mater. 6, 121111 (2018)]

APL Materials AIP Publishing 8:10 (2020) 109901

Authors:

S Liu, MX Wang, C Chen, X Xu, J Jiang, LX Yang, HF Yang, YY Lv, J Zhou, YB Chen, SH Yao, MH Lu, YF Chen, C Felser, BH Yan, ZK Liu, YL Chen
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