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Hybridization and Correlation between f- and d-orbital electrons in a valence fluctuating compound EuNi2P2
Z. X. Yin, X. Du, W. Z. Cao +17
The interaction between localized f and itinerant conduction electrons is crucial in the electronic properties of heavy fermion and valence fluctuating compounds. Using high-resolu…
Observation of Γ-valley moiré bands and emergent hexagonal lattice in twisted transition metal dichalcogenides
Ding Pei, Binbin Wang, Zishu Zhou +19
Twisted van der Waals heterostructures have recently been proposed as a condensed-matter platform for realizing controllable quantum models due to the low-energy moiré bands with s…
Weak Electron-Phonon Coupling and Unusual Electron Scattering of Topological Surface States in Sb(111) by Laser-Based Angle-Resolved Photoemission Spectroscopy
Zhuojin Xie, Shaolong He, Chaoyu Chen +22
High resolution laser-based angle-resolved photoemission measurements have been carried out on Sb(111) single crystal. Two kinds of Fermi surface sheets are observed that are deriv…
Strong Anisotropy of Dirac Cone in SrMnBi2 and CaMnBi2 Revealed by Angle-Resolved Photoemission Spectroscopy
Ya Feng, Zhijun Wang, Chaoyu Chen +18
The Dirac materials, such as graphene and three-dimensional topological insulators, have attracted much attention because they exhibit novel quantum phenomena with their low energy…
Tunable Dirac Fermion Dynamics in Topological Insulators
Chaoyu Chen, Zhuojin Xie, Ya Feng +21
Three-dimensional topological insulators are characterized by insulating bulk state and metallic surface state involving Dirac fermions that behave as massless relativistic particl…