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4 papers
Topological Protected Dirac Cones in Compressed Bulk Black Phosphorus
Ruixiang Fei, Vy Tran, Li Yang
Using the k.p theory and first-principles simulations, we report that applying a moderate pressure (> 0.6 GPa) on black phosphorus can diminish its band gap and produce one-dimensi…
Quantum Oscillations in Black Phosphorus Two-dimensional Electron Gas
Likai Li, Guo Jun Ye, Vy Tran +9
Two-dimensional electron gases (2DEG) have been an important source of experimental discovery and conceptual development in condensed matter physics for decades. When combined with…
Lattice Vibrational Modes and Raman Scattering Spectra of Strained Phosphorene
Ruixiang Fei, Li Yang
Strain is prominent in fabricated samples of two-dimensional semiconductors and it also serves as an exploitable tool for engineering their properties. However, quantifying strain…
Strain-Engineering Anisotropic Electrical Conductance of Phosphorene and Few-Layer Black Phosphorus
Ruixiang Fei, Li Yang
Newly fabricated monolayer phosphorene and its few-layer structures are expected to be promising for electronic and optical applications because of their finite direct band gaps an…