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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

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

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

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

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

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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