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12 papers · 2 filters
Degradation of Black Phosphorus (BP): The Role of Oxygen and Water
Yuan Huang, Jingsi Qiao, Kai He +10
Black phosphorus (BP) has attracted significant interest as a monolayer or few-layer material with extraordinary electrical and optoelectronic properties. However, degradation in a…
The characterization of Co-nanoparticles supported on graphene
P. Bazylewski, D. W. Boukhvalov, A. I. Kukharenko +6
The results of density functional theory calculations and measurements using X-ray photoelectron spectroscopy of Co-nanoparticles dispersed on graphene/Cu are presented. It is foun…
Observation of tunable bandgap and anisotropic Dirac semimetal state in black phosphorus
Jimin Kim, Seung Su Baik, Sae Hee Ryu +7
Black phosphorus consists of stacked layers of phosphorene, a two-dimensional semiconductor with promising device characteristics. We report the realization of a widely tunable ban…
Emergence of Two-Dimensional Massless Dirac Fermions, Chiral Pseudospins, and Berry's Phase in Potassium Doped Few-Layer Black Phosphorus
Seung Su Baik, Keun Su Kim, Yeonjin Yi +1
Thin flakes of black phosphorus (BP) are a two-dimensional (2D) semiconductor whose energy gap is predicted being sensitive to the number of layers and external perturbations. Very…
Charge Transport in Polycrystalline Graphene: Challenges and Opportunities
Aron W. Cummings, Dinh Loc Duong, Van Luan Nguyen +5
Graphene has attracted significant interest both for exploring fundamental science and for a wide range of technological applications. Chemical vapor deposition (CVD) is currently…
Domain wall conductivity in semiconducting hexagonal ferroelectric TbMnO thin films
D. J. Kim, J. G. Connell, S. S. A. Seo +1
Although enhanced conductivity at ferroelectric domain boundaries has been found in BiFeO films, Pb(Zr,Ti)O films, and hexagonal rare-earth manganite single crystals, the m…