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Anomalous Gate-tunable Capacitance in Van der Waals Heterostructures
Linshang Chen, Haoran Long, Heng Wu +10
The ferroelectricity emerging in non-polar graphene/hexagonal boron nitride (hBN) heterostructures has drawn considerable attention because of its fascinating properties and promis…
Electronic Raman Scattering in Suspended Semiconducting Carbon Nanotubes
Yuecong Hu, Shaochuang Chen, Daqi Zhang +7
The electronic Raman scattering (ERS) features of single-walled carbon nanotubes (SWNTs) can reveal a wealth of information about their electronic structures, but have previously b…
Direct evidences of pentagonal silicon chains and magic clusters
Shaoxiang Sheng, Runze Ma, Jiangbin Wu +11
Pentagon is one of the most beautiful geometric structures in nature, but it is rarely seen simply because five-fold symmetry is mathematically forbidden in a 2D or 3D periodic lat…
Interlayer Interactions in Anisotropic Atomically-thin Rhenium Diselenide
Huan Zhao, Jiangbin Wu, Hongxia Zhong +6
Recently, two-dimensional (2D) materials with strong in-plane anisotropic properties such as black phosphorus have demonstrated great potential for developing new devices that can…
Shear and Layer Breathing Modes in Multilayer MoS2
X. Zhang, W. P. Han, J. B. Wu +5
We study by Raman scattering the shear and layer breathing modes in multilayer MoS2. These are identified by polarization measurements and symmetry analysis. Their positions change…