85 citations · 260 across the 8 of their papers we have counts for
8 papers
Sign reversal superconducting gaps revealed by phase referenced quasi-particle interference of impurity induced bound states in (LiFe)OHFeZnSe
Qiangqiang Gu, Siyuan Wan, Zengyi Du +5
By measuring the spatial distribution of differential conductance near impurities on Fe sites, we have obtained the quasi-particle interference (QPI) patterns in the (LiFe$…
Vortex lattice and vortex bound states in CsFeAs investigated by scanning tunneling microscopy/spectroscopy
Xiong Yang, Zengyi Du, Hai Lin +4
We investigate the vortex lattice and vortex bound states in CsFeAs single crystals by scanning tunneling microscopy/spectroscopy (STM/STS) under various magnetic fields. A…
Experimental Demonstration of the Sign Reversal of the Order Parameter in (Li1-xFex)OHFe1-yZnySe
Zengyi Du, Xiong Yang, Dustin Altenfeld +8
Iron pnictides are the only known family of unconventional high-temperature superconductors besides cuprates. Until recently, it was widely accepted that superconductivity is spin-…
Strong coupling superconductivity revealed by scanning tunneling microscope in tetragonal FeS
Xiong Yang, Zengyi Du, Guan Du +6
We investigate the electronic properties of the tetragonal FeS superconductor by using scanning tunneling microscope/spectroscopy. It is found that the typical tunneling spectrum o…
Drive the Dirac Electrons into Cooper Pairs in SrxBi2Se3
Guan Du, Jifeng Shao, Xiong Yang +9
Topological superconductor is a very interesting and frontier topic in condensed matter physics1. Despite the tremendous efforts in exploring the topological superconductivity, its…
Possible superconducting fluctuation and pseudogap state above in CsFeAs
Huan Yang, Jie Xing, Zengyi Du +5
Resistive, magnetization, torque, specific heat and scanning tunneling microscopy measurements are carried out on the hole heavily doped CsFeAs single crystals. A character…
Merging Dirac electrons and correlation effect in the heterostructured Bi2Te3/Fe1+dTe
Guan Du, Zengyi Du, Xiong Yang +4
The topological insulator and strong electronic correlation effect are two important subjects in the frontier studies of modern condensed matter physics. A topological insulator ex…
Scrutinizing the double superconducting gaps and strong coupling pairing in (Li1-xFexOH)FeSe
Zengyi Du, Xiong Yang, Hai Lin +6
In the iron based superconductors, one of the on-going frontier studies is about the pairing mechanism. The recent interest concerns the high temperature superconductivity and its…