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5 papers
Antiferromagnetic Quantum Anomalous Hall Effect Modulated by Spin Flips and Flops
Zichen Lian, Yongchao Wang, Yongqian Wang +11
The interplay between nontrivial band topology and layered antiferromagnetism in MnBi2Te4 has opened up a new avenue for exploring topological phases of matter. Representative exam…
Direct observation of chiral edge current at zero magnetic field in odd-layer MnBiTe
Jinjiang Zhu, Yang Feng, Xiaodong Zhou +14
The chiral edge current is the boundary manifestation of the Chern number of a quantum anomalous Hall (QAH) insulator. Its direct observation is assumed to require well-quantized H…
Fabrication-induced even-odd discrepancy of magnetotransport in few-layer MnBiTe
Yaoxin Li, Yongchao Wang, Zichen Lian +20
The van der Waals antiferromagnetic topological insulator MnBi2Te4 represents a promising platform for exploring the layer-dependent magnetism and topological states of matter. Rec…
Large Transport Gap Modulation in Graphene via Electric Field Controlled Reversible Hydrogenation
Shaorui Li, Jiaheng Li, Yongchao Wang +5
Graphene is of interest in the development of next-generation electronics due to its high electron mobility, flexibility and stability. However, graphene transistors have poor on/o…
Interface induced high temperature superconductivity in single unit-cell FeSe films on SrTiO3
Qing-Yan Wang, Zhi Li, Wen-Hao Zhang +17
Searching for superconducting materials with high transition temperature (TC) is one of the most exciting and challenging fields in physics and materials science. Although supercon…