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Two-step flux synthesis of ultrapure transition metal dichalcogenides
Song Liu, Yang Liu, Luke Nemetz Holtzman +10
Here, we describe synthesis of TMD crystals using a two-step flux growth method that eliminates a major potential source of contamination. Detailed characterization of TMDs grown b…
Domain-dependent surface adhesion in twisted few-layer graphene: Platform for moiré-assisted chemistry
Valerie Hsieh, Dorri Halbertal, Nathan R. Finney +13
Twisted van der Waals multilayers are widely regarded as a rich platform to access novel electronic phases, thanks to the multiple degrees of freedom such as layer thickness and tw…
Unzipping hBN with ultrashort mid-infrared pulses
Cecilia Y. Chen, Jared S. Ginsberg, Samuel L. Moore +11
Manipulating the nanostructure of materials is critical for numerous applications in electronics, magnetics, and photonics. However, conventional methods such as lithography and la…
Frustrated magnetic interactions in a Wigner-Mott insulator
Yanhao Tang, Kaixiang Su, Lizhong Li +9
Two-dimensional semiconductor moiré materials have emerged as a highly controllable platform to simulate and explore quantum condensed matter. Compared to real solids, electrons in…
Dielectric catastrophe at the Mott and Wigner transitions in a moiré superlattice
Yanhao Tang, Jie Gu, Song Liu +5
The metal-insulator transition (MIT) driven by electronic correlations is a fundamental and challenging problem in condensed-matter physics. Particularly, whether such a transition…
Increased formation of trions and charged biexcitons by above-gap excitation in single-layer
Matthew C. Strasbourg, Emanuil S. Yanev, Sheikh Parvez +8
Two-dimensional semiconductors exhibit pronounced many-body effects and intense optical responses due to strong coulombic interactions. Consequently, subtle differences in photoexc…