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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 渭m) 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.
  • About
  • Publications

Topological Lifshitz transitions and Fermi arc manipulation in Weyl semimetal NbAs

Nature Communications Springer Nature 10:1 (2019) 3478

Authors:

HF Yang, LX Yang, ZK Liu, Y Sun, C Chen, H Peng, M Schmidt, D Prabhakaran, BA Bernevig, C Felser, BH Yan, YL Chen

Chiral topological semimetal with multifold band crossings and long Fermi arcs

Nature Physics Springer Nature 15:8 (2019) 759-765

Authors:

Niels BM Schr枚ter, Ding Pei, Maia G Vergniory, Yan Sun, Kaustuv Manna, Fernando de Juan, Jonas A Krieger, Vicky S眉ss, Marcus Schmidt, Pavel Dudin, Barry Bradlyn, Timur K Kim, Thorsten Schmitt, Cephise Cacho, Claudia Felser, Vladimir N Strocov, Yulin Chen

Author Correction: Ultrafast and highly sensitive infrared photodetectors based on two-dimensional oxyselenide crystals

Nature Communications Springer Nature 10:1 (2019) 3457

Authors:

Jianbo Yin, Zhenjun Tan, Hao Hong, Jinxiong Wu, Hongtao Yuan, Yujing Liu, Cheng Chen, Congwei Tan, Fengrui Yao, Tianran Li, Yulin Chen, Zhongfan Liu, Kaihui Liu, Hailin Peng

Unveiling Electronic Correlation and the Ferromagnetic Superexchange Mechanism in the van der Waals Crystal CrSiTe3

Physical Review Letters American Physical Society (APS) 123:4 (2019) 047203

Authors:

Jiaxin Zhang, Xiaochan Cai, Wei Xia, Aiji Liang, Junwei Huang, Chengwei Wang, Lexian Yang, Hongtao Yuan, Yulin Chen, Shilei Zhang, Yanfeng Guo, Zhongkai Liu, Gang Li

Strong spin-orbit coupling and Dirac nodal lines in the three-dimensional electronic structure of metallic rutile IrO2

Physical Review B American Physical Society (APS) 99:19 (2019) 195106

Authors:

X Xu, J Jiang, WJ Shi, Vicky S眉脽, C Shekhar, SC Sun, YJ Chen, S-K Mo, C Felser, BH Yan, HF Yang, ZK Liu, Y Sun, LX Yang, YL Chen

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