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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

Weyl semimetal phase in the non-centrosymmetric compound TaAs

Nature Physics Springer Nature 11:9 (2015) 728-732

Authors:

LX Yang, ZK Liu, Y Sun, H Peng, HF Yang, T Zhang, B Zhou, Y Zhang, YF Guo, M Rahn, D Prabhakaran, Z Hussain, S-K Mo, C Felser, B Yan, YL Chen
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van Hove Singularity Enhanced Photochemical Reactivity of Twisted Bilayer Graphene

Nano Letters American Chemical Society (ACS) 15:8 (2015) 5585-5589

Authors:

Lei Liao, Huan Wang, Han Peng, Jianbo Yin, Ai Leen Koh, Yulin Chen, Qin Xie, Hailin Peng, Zhongfan Liu
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Extremely large magnetoresistance and ultrahigh mobility in the topological Weyl semimetal candidate NbP

Nature Physics Springer Nature 11:8 (2015) 645-649

Authors:

Chandra Shekhar, Ajaya K Nayak, Yan Sun, Marcus Schmidt, Michael Nicklas, Inge Leermakers, Uli Zeitler, Yurii Skourski, Jochen Wosnitza, Zhongkai Liu, Yulin Chen, Walter Schnelle, Horst Borrmann, Yuri Grin, Claudia Felser, Binghai Yan
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Publisher's Note: Emergence of the nematic electronic state in FeSe [Phys. Rev. B 91, 155106 (2015)]

Physical Review B American Physical Society (APS) 91:19 (2015) 199905

Authors:

MD Watson, TK Kim, AA Haghighirad, NR Davies, A McCollam, A Narayanan, SF Blake, YL Chen, S Ghannadzadeh, AJ Schofield, M Hoesch, C Meingast, T Wolf, AI Coldea
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Patterning two-dimensional chalcogenide crystals of Bi2Se3 and In2Se3 and efficient photodetectors

Nature Communications Springer Nature 6:1 (2015) 6972

Authors:

Wenshan Zheng, Tian Xie, Yu Zhou, YL Chen, Wei Jiang, Shuli Zhao, Jinxiong Wu, Yumei Jing, Yue Wu, Guanchu Chen, Yunfan Guo, Jianbo Yin, Shaoyun Huang, HQ Xu, Zhongfan Liu, Hailin Peng
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