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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

Thermal hysteretic behavior and negative magnetoresistance in the charge density wave material EuTe4

Physical Review B American Physical Society (APS) 107:11 (2023) 115141

Authors:

QQ Zhang, Y Shi, KY Zhai, WX Zhao, X Du, JS Zhou, X Gu, RZ Xu, YD Li, YF Guo, ZK Liu, C Chen, S-K Mo, TK Kim, C Cacho, JW Yu, W Li, YL Chen, Jiun-Haw Chu, LX Yang
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Burer-Monteiro ADMM for large-scale SDPs

(2023)

Authors:

Yuwen Chen, Paul Goulart
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Details from ORA
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Development of a laser-based angle-resolved-photoemission spectrometer with sub-micrometer spatial resolution and high-efficiency spin detection

Review of Scientific Instruments AIP Publishing 94:2 (2023) 023903

Authors:

RZ Xu, X Gu, WX Zhao, JS Zhou, QQ Zhang, X Du, YD Li, YH Mao, D Zhao, K Huang, CF Zhang, F Wang, ZK Liu, YL Chen, LX Yang
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Crossed Luttinger liquid hidden in a quasi-two-dimensional material

Nature Physics Springer Nature 19:1 (2023) 40-45

Authors:

X Du, L Kang, YY Lv, JS Zhou, X Gu, RZ Xu, QQ Zhang, ZX Yin, WX Zhao, YD Li, SM He, D Pei, YB Chen, MX Wang, ZK Liu, YL Chen, LX Yang
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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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