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  • JSAP-OSA Joint Symposia 2015 Abstracts
  • (Optica Publishing Group, 2015),
  • paper 15p_2D_2

Observation and Characterization of Biexciton states in high-quality WS2 Atomic Layers

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Abstract

Transition metal dichalcogenides (TMDC, Fig.1) have attracted a great deal of attention because of their unique properties such as spin-valley-coupled electronic structure, valley pseudospin degree of freedom, intense photoluminescence and FET operation. The family of TMDCachi atomic layers provides a brand new and widespread platform to investigate physics in two-dimension, which platform leads to the promising application in the so-called valleytronics in future. To explore the fascinating possibilities of TMDC, high-quality samples are indispensable. Here, we report a new method for preparing high-quality TMDC using a triple-furnace chemical vapor deposition (CVD) setup and hexagonal boron nitride (hBN) substrates.

© 2015 Japan Society of Applied Physics, Optical Society of America

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