拓扑绝缘体表面电子的动力学：室温下的循环共振
介观与纳米尺度物理
2026-01-09 v2
摘要
在室温条件下使用电场或磁场操控拓扑绝缘体表面态的能力，是其集成到未来电子和光电子器件中的关键步骤。本文通过对一款掺锡 BiSbTeS 拓扑绝缘体的循环共振测量，证明了即使在室温下，适度的磁场也能将无质量的表面电子量化为 Landau 能级。这一发现表明，表面态电子在意外的高温下可以作为持久的准粒子。
引用
@article{arxiv.2504.08420,
title = {Dynamics of surface electrons in a topological insulator: cyclotron resonance at room temperature},
author = {I. Mohelsky and F. Le Mardele and J. Dzian and J. Wyzula and X. D. Sun and C. W. Cho and B. A. Piot and M. Shankar and R. Sankar and A. Ferguson and D. Santos-Cottin and P. Marsik and C. Bernhard and A. Akrap and M. Potemski and M. Orlita},
journal= {arXiv preprint arXiv:2504.08420},
year = {2026}
}
备注
6 pages, 3 figures, to be published as a Letter in Phys. Rev. B