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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

High-throughput first-principle prediction of collinear magnetic topological materials

npj Computational Materials Springer Nature 8:1 (2022) 261

Authors:

Yunlong Su, Jiayu Hu, Xiaochan Cai, Wujun Shi, Yunyouyou Xia, Yuanfeng Xu, Xuguang Xu, Yulin Chen, Gang Li
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Pressure-Induced Superconductivity in PdTeI with Quasi-One-Dimensional PdTe Chains

Crystals MDPI 12:12 (2022) 1833

Authors:

Yi Zhao, Jun Hou, Yang Fu, Cuiying Pei, Jianping Sun, Qi Wang, Lingling Gao, Weizheng Cao, Changhua Li, Shihao Zhu, Mingxin Zhang, Yulin Chen, Hechang Lei, Jinguang Cheng, Yanpeng Qi
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Pressure-Tuning Superconductivity in Noncentrosymmetric Topological Materials ZrRuAs

Materials MDPI 15:21 (2022) 7694

Authors:

Changhua Li, Yunlong Su, Cuiwei Zhang, Cuiying Pei, Weizheng Cao, Qi Wang, Yi Zhao, Lingling Gao, Shihao Zhu, Mingxin Zhang, Yulin Chen, Youguo Shi, Gang Li, Yanpeng Qi
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Lattice and electronic structure of ScN observed by angle-resolved photoemission spectroscopy measurements

Applied Physics Letters AIP Publishing 121:18 (2022) 182102

Authors:

Hayder A Al-Atabi, Xiaotian Zhang, Shanmei He, Cheng chen, Yulin Chen, Eli Rotenberg, James H Edgar
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Optical microscope with a large tilt angle and a long focal length for a nano-size angle-resolved photoemission spectroscopy.

Optics Express Optica Publishing Group 30:22 (2022) 40809-40819

Authors:

Chenyang Yue, Hong Jiang, Chuan Guo, Tianzhi Li, Siyan Yao, Shuo Zhang, Dan Zhang, Shengyue Zeng, Meixiao Wang, Xiaojun Xu, Yulin Chen, Chaofan Zhang
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