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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 041,263 (office)
  • About
  • Publications

Observation of nodal line in non-symmorphic topological semimetal InBi

NEW JOURNAL OF PHYSICS 19 (2017) ARTN 065007

Authors:

SA Ekahana, S-C Wu, J Jiang, K Okawa, D Prabhakaran, C-C Hwang, S-K Mo, T Sasagawa, C Felser, B Yan, Z Liu, Y Chen

Nontrivial Berry phase and type-II Dirac transport in the layered material PdTe2

Physical Review B American Physical Society (APS) 96:4 (2017) 041201

Authors:

Fucong Fei, Xiangyan Bo, Rui Wang, Bin Wu, Juan Jiang, Dongzhi Fu, Ming Gao, Hao Zheng, Yulin Chen, Xuefeng Wang, Haijun Bu, Fengqi Song, Xiangang Wan, Baigeng Wang, Guanghou Wang

Quantum spin Hall state in monolayer 1T'-WTe2

Nature Physics Springer Nature 13:7 (2017) 683-687

Authors:

Shujie Tang, Chaofan Zhang, Dillon Wong, Zahra Pedramrazi, Hsin-Zon Tsai, Chunjing Jia, Brian Moritz, Martin Claassen, Hyejin Ryu, Salman Kahn, Juan Jiang, Hao Yan, Makoto Hashimoto, Donghui Lu, Robert G Moore, Chan-Cuk Hwang, Choongyu Hwang, Zahid Hussain, Yulin Chen, Miguel M Ugeda, Zhi Liu, Xiaoming Xie, Thomas P Devereaux, Michael F Crommie, Sung-Kwan Mo, Zhi-Xun Shen

Substrate Doping Effect and Unusually Large Angle van Hove Singularity Evolution in Twisted Bi� and Multilayer Graphene

Advanced Materials Wiley 29:27 (2017)

Authors:

Han Peng, Niels BM Schröter, Jianbo Yin, Huan Wang, Ting�Fung Chung, Haifeng Yang, Sandy Ekahana, Zhongkai Liu, Juan Jiang, Lexian Yang, Teng Zhang, Cheng Chen, Heng Ni, Alexey Barinov, Yong P Chen, Zhongfan Liu, Hailin Peng, Yulin Chen

High electron mobility and quantum oscillations in non-encapsulated ultrathin semiconducting Bi2O2Se

Nature Nanotechnology Springer Nature 12:6 (2017) 530-534

Authors:

Jinxiong Wu, Hongtao Yuan, Mengmeng Meng, Cheng Chen, Yan Sun, Zhuoyu Chen, Wenhui Dang, Congwei Tan, Yujing Liu, Jianbo Yin, Yubing Zhou, Shaoyun Huang, HQ Xu, Yi Cui, Harold Y Hwang, Zhongfan Liu, Yulin Chen, Binghai Yan, Hailin Peng

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