石墨烯- BiTeI杂化结构的输运性质

Physica Status Solidi (c) Pub Date : 2017-08-31 DOI:10.1002/PSSC.201700215

Z. Tajkov, D. Visontai, P. Rakyta, L. Oroszlány, J. Koltai

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引用次数: 3

摘要

最近的研究表明，由石墨烯和某些硫属化合物组成的异质结构是坚固的二维拓扑绝缘体。我们建立了这类系统的简化模型哈密顿量，并研究了它们作为各种参数值的函数的性质。我们绘制了系统的相位，可以表现为绝缘体，金属或拓扑绝缘体。我们使用这个简单的模型来计算实验相关样本量的输运特性。

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Transport Properties of Graphene‐BiTeI Hybrid Structures

Recent studies have shown that heterostructures comprised of graphene and certain chalcogenides are robust two-dimensional (2D) topological insulators. We developed a simplified model Hamiltonian for such systems and investigated their properties as the function of various parameter values. We mapped the phases of the system that can behave as an insulator, metal or topological insulator. We used this simplistic model to calculate transport characteristics on experimentally relevant sample sizes.

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Physica Status Solidi (c)

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