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Unveiling the Charge Density Wave Inhomogeneity and Pseudogap State in 1T-TiSe2
Kai-Wen Zhang, Chao-Long Yang, Bin Lei +8
By using scanning tunneling microscopy (STM) / spectroscopy (STS), we systematically characterize the electronic structure of lightly doped 1T-TiSe2, and demonstrate the existence…
Real-space characterization of reactivity towards water at Bi2Te3(111) surface
Kai-Wen Zhang, Ding Ding, Chao-Long Yang +10
Surface reactivity is important in modifying the physical and chemical properties of surface sensitive materials, such as the topological insulators (TIs). Even though many studies…
Tailoring Kinetics on a Topological Insulator Surface by Defect-Induced Strain: Pb Mobility on Bi2Te3
Wen-Kai Huang, Kai-Wen Zhang, Chao-Long Yang +5
Heteroepitaxial structures based on BiTe-type topological insulators (TIs) exhibit exotic quantum phenomena. For optimal characterization of these phenomena, it is desi…
Observation of Majorana fermions with spin selective Andreev reflection in the vortex of topological superconductor
Hao-Hua Sun, Kai-Wen Zhang, Lun-Hui Hu +14
Majorana fermion (MF) whose antiparticle is itself has been predicted in condensed matter systems. Signatures of the MFs have been reported as zero energy modes in various systems.…