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Pressure-induced superconductivity in topological type II Dirac semimetal NiTe2
Tao Li, Ke Wang, Chunqiang Xu +10
Very recently, NiTe2 has been reported to be a type II Dirac semimetal with Dirac nodes near the Fermi surface. Furthermore, it is unveiled that NiTe2 presents the Hall Effect, whi…
Structural Instability and Magnetism of Superconducting KCrAs
Guangzong Xing, Ling Shang, Yuhao Fu +4
We find a lattice instability in the superconductor KCrAs, corresponding to a distortion of the Cr metallic wires in the crystal structure. This distortion couples strongly…
Tunneling interstitial impurity in iron-chalcogenide based superconductors
Huaixiang Huang, Degang Zhang, Yi Gao +2
A pronounced local in-gap zero-energy bound state (ZBS) has been observed by recent scanning tunneling microscopy (STM) experiments on the interstitial Fe impurity (IFI) and its ne…
Robust -wave superconductivity against multi-impurity in iron-based superconductors
Huaixiang Huang, Shuchao Zhang, Yi Gao +1
Effects of disorder on electron-doped iron pnictides are investigated systematically based on self-consistent Bogoliubov-de Gennes equations. Multiply impurities with same scatteri…