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Adsorbate-induced Restructuring of Pb mesas Grown on Vicinal Si(111) in the Quantum Regime
Alexander Ako Khajetoorians, Wenguang Zhu, Jisun Kim +4
Using scanning tunneling microscopy and spectroscopy, we demonstrate that the adsorption of a minute amount of Cs on a Pb mesa grown in the quantum regime can induce dramatic morph…
Contrasting Behavior of Carbon Nucleation in the Initial Stages of Graphene Epitaxial Growth on Stepped Metal Surfaces
Hua Chen, Wenguang Zhu, Zhenyu Zhang
Using first-principles calculations within density functional theory, we study the energetics and kinetics of carbon nucleation in the early stages of epitaxial graphene growth on…
Optimization of Mn Doping in Group-IV-based Dilute Magnetic Semiconductors by Electronic Co-dopants
Hua Chen, Wenguang Zhu, Efthimios Kaxiras +1
The percentage of substitutional doping of magnetic atoms (Mn) in group-IV-based dilute magnetic semiconductors (DMS) can be increased by co-doping with another conventional electr…