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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

Evolution of the Electronic Structure of Ultrathin MnBi2Te4 Films

Nano Letters American Chemical Society (ACS) 22:15 (2022) 6320-6327

Authors:

Runzhe Xu, Yunhe Bai, Jingsong Zhou, Jiaheng Li, Xu Gu, Na Qin, Zhongxu Yin, Xian Du, Qinqin Zhang, Wenxuan Zhao, Yidian Li, Yang Wu, Cui Ding, Lili Wang, Aiji Liang, Zhongkai Liu, Yong Xu, Xiao Feng, Ke He, Yulin Chen, Lexian Yang
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Electronic structure of antiferromagnetic Dirac semimetal candidate GdIn3

Physical Review Materials American Physical Society (APS) 6:8 (2022) 084203

Authors:

ZX Yin, X Du, S Zhang, C Chen, D Pei, JS Zhou, X Gu, RZ Xu, QQ Zhang, WX Zhao, YD Li, YF Xu, A Bernevig, ZK Liu, EK Liu, YL Chen, LX Yang
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Wafer-scale epitaxial growth of the thickness-controllable van der Waals ferromagnet CrTe2 for reliable magnetic memory applications

(2022)

Authors:

Xufeng Kou, Xinqi Liu, Yunyouyou Xia, Lei Gao, Puyang Huang, Liyang Liao, Baoshan Cui, Dirk Backes, Gerrit van der Laan, Thorsten Hesjedal, Yuchen Ji, Peng Chen, Fan Wu, Meixiao Wang, Junwei Zhang, Guoqiang Yu, Cheng Song, Yulin Chen, Zhongkai Liu, Yumeng Yang, Yong Peng, Gang Li, Qi Yao
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Persistent exchange splitting in the chiral helimagnet Cr1/3NbS2

Physical Review B American Physical Society (APS) 106:3 (2022) 035129

Authors:

Na Qin, Cheng Chen, Shiqiao Du, Xian Du, Xin Zhang, Zhongxu Yin, Jingsong Zhou, Runzhe Xu, Xu Gu, Qinqin Zhang, Wenxuan Zhao, Yidian Li, Sung-Kwan Mo, Zhongkai Liu, Shilei Zhang, Yanfeng Guo, Peizhe Tang, Yulin Chen, Lexian Yang
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Approaching a Minimal Topological Electronic Structure in Antiferromagnetic Topological Insulator MnBi2Te4 via Surface Modification

Nano Letters American Chemical Society (ACS) 22:11 (2022) 4307-4314

Authors:

Aiji Liang, Cheng Chen, Huijun Zheng, Wei Xia, Kui Huang, Liyang Wei, Haifeng Yang, Yujie Chen, Xin Zhang, Xuguang Xu, Meixiao Wang, Yanfeng Guo, Lexian Yang, Zhongkai Liu, Yulin Chen
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