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Topological superconductivity on the surface of Fe-based superconductors
Gang Xu, Biao Lian, Peizhe Tang +2
As one of the simplest systems for realizing Majorana fermions, topological superconductor plays an important role in both condensed matter physics and quantum computations. Based…
Band engineering of Dirac surface states in topological insulators-based van der Waals heterostructures
Cui-Zu Chang, Peizhe Tang, Xiao Feng +5
The existence of gapless Dirac surface band of a three dimensional (3D) topological insulator (TI) is guaranteed by the non-trivial topological character of the bulk band, yet the…
Large-Gap Quantum Spin Hall States in Stanene Grown on Substrate
Yong Xu, Peizhe Tang, Shou-Cheng Zhang
Two-dimensional stanene is a promising candidate material for realizing room-temperature quantum spin Hall (QSH) effect. Monolayer stanene has recently been fabricated by molecular…
Structural phase transition and electronic structure evolution in Ir1-xPtxTe2 studied by scanning tunneling microscopy
Wei Ruan, Peizhe Tang, Aifang Fang +6
The IrTe2 transition metal dichalcogenide undergoes a series of structural and electronic phase transitions when doped with Pt. The nature of each phase and the mechanism of the ph…
Robust gapless surface state and Rashba-splitting bands upon surface deposition of magnetic Cr on BiSe
Eryin Wang, Peizhe Tang, Guoliang Wan +5
The interaction between magnetic impurities and the gapless surface state is of critical importance for realizing novel quantum phenomena and new functionalities in topological ins…