Prof Yulin Chen: Publications

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.

Electronic structure of a thermoelectric material: BiCuSO

PHYSICAL REVIEW B 103:24 (2021) ARTN 245121

Authors:

D Pei, Y-Y Lv, YYY Xia, YW Li, JY Liu, NBM Schroter, C Cacho, ZK Liu, LX Yang, G Li, YB Chen, YL Chen

Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS2

Nature Communications Nature Research 12:1 (2021) 2874

Authors:

YW Li, HJ Zheng, YQ Fang, DQ Zhang, YJ Chen, C Chen, AJ Liang, WJ Shi, D Pei, LX Xu, S Liu, J Pan, DH Lu, M Hashimoto, A Barinov, SW Jung, C Cacho, MX Wang, Y He, L Fu, HJ Zhang, FQ Huang, LX Yang, ZK Liu, YL Chen

Abstract:

Topological superconductors (TSCs) have garnered significant research and industry attention in the past two decades. By hosting Majorana bound states which can be used as qubits that are robust against local perturbations, TSCs offer a promising platform toward (non-universal) topological quantum computation. However, there has been a scarcity of TSC candidates, and the experimental signatures that identify a TSC are often elusive. In this perspective, after a short review of the TSC basics and theories, we provide an overview of the TSC materials candidates, including natural compounds and synthetic material systems. We further introduce various experimental techniques to probe TSC, focusing on how a system is identified as a TSC candidate, and why a conclusive answer is often challenging to draw. We conclude by calling for new experimental signatures and stronger computational support to accelerate the search for new TSC candidates.Comment: 42 pages, 6 figure

Evidence of a topological edge state in a superconducting nonsymmorphic nodal-line semimetal

PHYSICAL REVIEW B 103:20 (2021) ARTN L201109

Authors:

LX Xu, YYY Xia, S Liu, YW Li, LY Wei, HY Wang, CW Wang, HF Yang, AJ Liang, K Huang, T Deng, W Xia, X Zhang, HJ Zheng, YJ Chen, LX Yang, MX Wang, YF Guo, G Li, ZK Liu, YL Chen

Measurement of Superconductivity and Edge States in Topological Superconductor Candidate TaSe3

CHINESE PHYSICS LETTERS 38:7 (2021) ARTN 077302

Authors:

Shuai Liu, Si-Min Nie, Yan-Peng Qi, Yan-Feng Guo, Hong-Tao Yuan, Le-Xian Yang, Yu-Lin Chen, Mei-Xiao Wang, Zhong-Kai Liu

Observation of topological Dirac fermions and surface states in superconducting BaSn3

PHYSICAL REVIEW B 103:15 (2021) ARTN 155148

Authors:

K Huang, AY Luo, C Chen, GN Zhang, XL Liu, YW Li, F Wu, ST Cui, Z Sun, Chris Jozwiak, Aaron Bostwick, Eli Rotenberg, HF Yang, LX Yang, G Xu, YF Guo, ZK Liu, YL Chen

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Prof Yulin Chen

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Electronic structure of a thermoelectric material: BiCuSO

Authors:

Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS2

Authors:

Abstract:

Evidence of a topological edge state in a superconducting nonsymmorphic nodal-line semimetal

Authors:

Measurement of Superconductivity and Edge States in Topological Superconductor Candidate TaSe3

Authors:

Observation of topological Dirac fermions and surface states in superconducting BaSn3

Authors:

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Prof Yulin Chen

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Electronic structure of a thermoelectric material: BiCuSO

Authors:

Observation of topological superconductivity in a stoichiometric transition metal dichalcogenide 2M-WS2

Authors:

Abstract:

Evidence of a topological edge state in a superconducting nonsymmorphic nodal-line semimetal

Authors:

Measurement of Superconductivity and Edge States in Topological Superconductor Candidate TaSe3

Authors:

Observation of topological Dirac fermions and surface states in superconducting BaSn3

Authors:

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