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journal article·2020-05Open access

Transition‐Metal Dichalcogenides: Anisotropic Collective Charge Excitations in Quasimetallic 2D Transition‐Metal Dichalcogenides (Adv. Sci. 10/2020)

Chi Sin Tang, Xinmao Yin, Ming Yang, Di Wu, Jing Wu, Lai Mun Wong, Changjian Li, Shi Wun Tong, Yung‐Huang Chang, Fangping Ouyang, Yuan Ping Feng, Shi Jie Wang, Dongzhi Chi, Mark B. H. Breese, Wenjing Zhang, Andrivo Rusydi, Andrew T. S. Wee

Advanced Science· Volume 7· Issue 10
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Source abstract

Abstract

In article number 1902726, Xinmao Yin, Andrew T. S. Wee, and co-workers observe 1D mid-IR range anisotropic plasmons in quasi-metallic WSe2 and MoS2 monolayers. In-depth analysis reveals that the long-range inter-chain coupling is responsible for the 1D-charge dynamics and the plasmon energy is dictated by the effects of spin–orbit coupling. Detailed investigation into these collective modes in 2D-chained systems opens new opportunities for novel device applications and holds significant implications to the underlying mechanism that governs superconductivity in 2D-transition-metal dichalcogenide systems.
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Research context

OpenAlex topics: 2D Materials and Applications · Machine Learning in Materials Science · Boron and Carbon Nanomaterials Research

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Affiliations

Department of Physics Faculty of Science National University of Singapore S12 Science Drive 3 Singapore 117551 Singapore

NUS Graduate School for Integrative Sciences and Engineering National University of Singapore 21 Lower Kent Ridge Singapore 119077 Singapore

Singapore Synchrotron Light Source (SSLS) National University of Singapore 5 Research Link Singapore 117603 Singapore

Institute of Materials Research and Engineering (IMRE) A*STAR (Agency for Science, Technology and Research) 2 Fusionopolis Way, Innovis Singapore 138634 Singapore

International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology Shenzhen University Shenzhen 518060 China

School of Physics and Electronics Central South University No. 932, South Lushan Road Changsha Hunan 410083 China

Department of Materials Science & Engineering National University of Singapore 9 Engineering Drive 1 Singapore 117575 Singapore

Bachelor Program in Interdisciplinary Studies National Yunlin University of Science and Technology 123 University Road, Section 3 Douliou Yunlin 64002 Taiwan

References

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