85 citations · 620 across the 18 of their papers we have counts for
17 papers · 1 filter
Comparative study of vortex dynamics in CaKFe4As4 and Ba0.6K0.4Fe2As2 single crystals
Wang Cheng, Hai Lin, Bing Shen +1
We investigate the vortex dynamics in two typical hole doped iron based superconductors CaKFeAs (CaK1144) and BaKFeAs (BaK122) with similar supercon…
Accurate determination of the Fermi surface of tetragonal FeS via quantum oscillation measurements and quasiparticle self-consistent \textit{GW} calculations
Taichi Terashima, Naoki Kikugawa, David Graf +9
We perform de Haas-van Alphen measurements and quasiparticle self-consistent \textit{GW} (QS\textit{GW}) calculations on FeS. The calculated Fermi surface (FS) consists of two hole…
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$…
Vortex lattice and vortex bound states in CsFeAs investigated by scanning tunneling microscopy/spectroscopy
Xiong Yang, Zengyi Du, Hai Lin +4
We investigate the vortex lattice and vortex bound states in CsFeAs single crystals by scanning tunneling microscopy/spectroscopy (STM/STS) under various magnetic fields. A…
Protonation induced high-Tc phases in iron-based superconductors evidenced by NMR and magnetization measurements
Yi Cui, Gehui Zhang, Haobo Li +14
Chemical substitution during growth is a well-established method to manipulate electronic states of quantum materials, and leads to rich spectra of phase diagrams in cuprate and ir…
Pressure Induced Superconductivity in the New Compound ScZrCo1-
Enyu Wang, Jing Si, Xiyu Zhu +3
It is widely perceived that the correlation effect may play an important role in several unconventional superconducting families, such as cuprate, iron-based and heavy-fermion supe…
Magnetization of potassium doped p-terphenyl and p-quaterphenyl by high pressure synthesis
Wenhao Liu, Hai Lin, Ruizhe Kang +3
By using high pressure synthesis method, we have fabricated the potassium doped para-terphenyl. The temperature dependence of magnetization measured in both zero-field-cooled and f…
Experimental Demonstration of the Sign Reversal of the Order Parameter in (Li1-xFex)OHFe1-yZnySe
Zengyi Du, Xiong Yang, Dustin Altenfeld +8
Iron pnictides are the only known family of unconventional high-temperature superconductors besides cuprates. Until recently, it was widely accepted that superconductivity is spin-…
Superconductivity in LiOHFeS single crystals with a shrunk c-axis lattice constant
Hai Lin, RuiZhe Kang, Lu Kong +2
By using a hydrothermal ion-exchange method, we have successfully grown superconducting crystals of LiOHFeS with of about 2.8 K. Being different from the sister sample (Li$…
Upper critical field and quantum oscillations in tetragonal superconducting FeS
Taichi Terashima, Naoki Kikugawa, Hai Lin +6
The magnetoresistance and magnetic torque of FeS are measured in magnetic fields of up to 18 T down to a temperature of 0.03 K. The superconducting transition temperature is fo…
Superconductivity with two-fold symmetry in topological superconductor SrxBi2Se3
Guan Du, Yufeng Li, J. Schneeloch +4
Topological superconductivity is the quantum condensate of paired electrons with an odd parity of the pairing function. One of the candidates is the triplet pairing superconductor…
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…
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…
Robust superconductivity and transport properties in (Li1-xFex)OHFeSe single crystals
Hai Lin, Jie Xing, Xiyu Zhu +2
The recently discovered (LiFe)OHFeSe superconductor with about 40K provides a good platform for investigating the magnetization and electrical transport prope…
Nodal Superconducting Gap in -FeS
Jie Xing, Hai Lin, Yufeng Li +4
Low temperature specific heat has been measured in superconductor -FeS with T = 4.55 K. It is found that the low temperature electronic specific heat C/T can be fitted t…
Multi-band superconductivity and large anisotropy in FeS crystals
Hai Lin, Yufeng Li, Qiang Deng +5
By using a hydrothermal method, we have successfully grown crystals of the newly discovered superconductor FeS, which has an isostructure of the iron based superconductor FeSe. The…
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…