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Intrinsic and tunable quantum anomalous Hall effect and magnetic topological phases in XYBi2Te5
Xin-Yi Tang, Zhe Li, Feng Xue +6
By first-principles calculations, we study the magnetic and topological properties of XYBi2Te5-family (X, Y = Mn, Ni, V, Eu) compounds. The strongly coupled double magnetic atom-la…
Evolution of the electronic structure of ultrathin MnBi2Te4 Films
Runzhe Xu, Yunhe Bai, Jingsong Zhou +18
Ultrathin films of intrinsic magnetic topological insulator MnBi2Te4 exhibit fascinating quantum properties such as quantum anomalous Hall effect and axion insulator state. In this…
Quantized anomalous Hall resistivity achieved in molecular beam epitaxy-grown MnBi2Te4 thin films
Yunhe Bai, Yuanzhao Li, Jianli Luan +17
The intrinsic magnetic topological insulator MnBi2Te4 provides a feasible pathway to high temperature quantum anomalous Hall (QAH) effect as well as various novel topological quant…
Selective Trapping of Hexagonally Warped Topological Surface States in a Triangular Quantum Corral
Mu Chen, Yeping Jiang, Junping Peng +10
The surface of a three-dimensional topological insulator (TI) hosts two-dimensional massless Dirac fermions (DFs), the gapless and spin-helical nature of which yields many exotic p…