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Topological Classification of Crystalline Insulators with Point Group Symmetry
Priyamvada Jadaun, Di Xiao, Qian Niu +1
We show that in crystalline insulators point group symmetry alone gives rise to a topological classification based on the quantization of electric polarization. Using C3 rotational…
Uniform wafer-scale synthesis of graphene on evaporated Cu (111) film with quality comparable to exfoliated monolayer
Li Tao, Milo Holt, Jongho Lee +8
Monolayer graphene has been grown on crystallized Cu (111) films on standard oxidized Si 100 mm wafers. The monolayer graphene demonstrates high uniformity (>97% coverage), with im…
Density functional theory studies of interactions of graphene with its environment: substrate, gate dielectric and edge effects
Priyamvada Jadaun, Bhagawan R. Sahu, Leonard F. Register +1
This paper reviews the theoretical work undertaken using density functional theory (DFT) to explore graphene's interactions with its surroundings. We look at the impact of substrat…