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Efficient Electrical Control of Thin-Film Black Phosphorus Bandgap
Bingchen Deng, Vy Tran, Hao Jiang +10
Recently rediscovered black phosphorus is a layered semiconductor with promising electronic and photonic properties. Dynamic control of its bandgap can enable novel device applicat…
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…
Highly Anisotropic and Robust Excitons in Monolayer Black Phosphorus
Xiaomu Wang, Aaron M. Jones, Kyle L. Seyler +7
Semi-metallic graphene and semiconducting monolayer transition metal dichalcogenides (TMDCs) are the two-dimensional (2D) materials most intensively studied in recent years. Recent…
Unusual Scaling Laws of the Band Gap and Optical Absorption of Phosphorene Nanoribbons
Vy Tran, Li Yang
We report the electronic structure and optical absorption spectra of monolayer black phosphorus (phosphorene) nanoribbons (PNRs) via first-principles simulations. The band gap of P…
Tunable Band Gap and Anisotropic Optical Response in Few-layer Black Phosphorus
Vy Tran, Ryan Soklaski, Yufeng Liang +1
We report the quasiparticle band gap, excitons, and highly anisotropic optical responses of few-layer black phosphorous (phosphorene). It is shown that these new materials exhibit…