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Topological States in Ferromagnetic CdO/EuO Superlattices and Quantum Wells
Haijun Zhang, Jing Wang, Gang Xu +2
Based on ab initio calculations, we demonstrate that the ferromagnetic CdO/EuO superlattice is a simple Weyl semimetal with two linear Weyl nodes in the Brillouin zone, and the cor…
Anomalous Edge Transport in the Quantum Anomalous Hall State
Jing Wang, Biao Lian, Haijun Zhang +1
We predict by first-principles calculations that thin films of Cr-doped (Bi,Sb)Te magnetic topological insulator have gapless non-chiral edge states coexisting with the chi…
Quantum Anomalous Hall Effect with Higher Plateaus
Jing Wang, Biao Lian, Haijun Zhang +2
Quantum anomalous Hall (QAH) effect in magnetic topological insulators is driven by the combination of spontaneous magnetic moments and spin-orbit coupling. Its recent experimental…
Pressure induced structural transitions and metallization in Ag2Te
Zhao Zhao, Shibing Wang, Haijun Zhang +1
High pressure in-situ synchrotron X-ray diffraction experiments were performed on Ag2Te up to 42.6 GPa at room temperature and four phases were identified. Phase I (β-Ag2Te) transf…