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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

STM Imaging of Electronic Waves on the Surface of Bi2Te3: Topologically Protected Surface States and Hexagonal Warping Effects

PHYSICAL REVIEW LETTERS 104:1 (2010) ARTN 016401

Authors:

Zhanybek Alpichshev, JG Analytis, J-H Chu, IR Fisher, YL Chen, ZX Shen, A Fang, A Kapitulnik

Single Dirac Cone Topological Surface State and Unusual Thermoelectric Property of Compounds from a New Topological Insulator Family

PHYSICAL REVIEW LETTERS 105:26 (2010) ARTN 266401

Authors:

YL Chen, ZK Liu, JG Analytis, J-H Chu, HJ Zhang, BH Yan, S-K Mo, RG Moore, DH Lu, IR Fisher, SC Zhang, Z Hussain, Z-X Shen

Unusual Layer-Dependent Charge Distribution, Collective Mode Coupling, and Superconductivity in Multilayer Cuprate Ba_{2}Ca_{3}Cu_{4}O_{8}F_{2}

PRL American Physical Society 103:3 (2009) 036403

Authors:

Y Chen, A Iyo, W Yang, A Ino, M Arita, S Johnston, H Eisaki, H Namatame, M Taniguchi, TP Devereaux, Z Hussain, ZX Shen

A step closer to visualizing the electron-phonon interplay in real time

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA 106:4 (2009) 963-964

Authors:

YL Chen, WS Lee, ZX Shen

Experimental Realization of a Three-Dimensional Topological Insulator, Bi2Te3

SCIENCE 325:5937 (2009) 178-181

Authors:

YL Chen, JG Analytis, J-H Chu, ZK Liu, S-K Mo, XL Qi, HJ Zhang, DH Lu, X Dai, Z Fang, SC Zhang, IR Fisher, Z Hussain, Z-X Shen

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