823 citations · 3.3k across the 36 of their papers we have counts for
24 papers · 1 filter
A disorder-sensitive emergent vortex phase identified in high-Tc superconductor (Li,Fe)OHFeSe
Dong Li, Peipei Shen, Jinpeng Tian +14
The magneto-transport properties are systematically measured under c-direction fields up to 33 T for a series of single-crystal films of intercalated iron-selenide superconductor (…
Cu doping effects on the electronic structure of Fe1-xCuxSe
Soonsang Huh, Zouyouwei Lu, Youn Sik Kim +8
Using angle-resolved photoemission spectroscopy (ARPES), we studied the evolution of the electronic structure of Fe1-xCuxSe from x = 0 to 0.10. We found that the Cu dopant introduc…
Evidence of a hidden flux phase in the topological kagome metal CsVSb
Li Yu, Chennan Wang, Yuhang Zhang +17
Phase transitions governed by spontaneous time reversal symmetry breaking (TRSB) have long been sought in many quantum systems, including materials with anomalous Hall effect (AHE)…
Unusual normal and superconducting state properties observed in hydrothermal Fe1-xSe flakes
Shaobo Liu, Sheng Ma, Zhaosheng Wang +14
The electronic and superconducting properties of Fe1-xSe single-crystal flakes grown hydrothermally are studied by the transport measurements under zero and high magnetic fields up…
Anisotropic superconducting properties of Kagome metal CsV3Sb5
Shunli Ni, Sheng Ma, Yuhang Zhang +18
We systematically measure the superconducting (SC) and mixed state properties of high-quality CsV3Sb5 single crystals with Tc ~ 3.5 K. We find that the upper critical field Hc2(T)…
Distinctive momentum dependent charge-density-wave gap observed in CsVSb superconductor with topological Kagome lattice
Zhengguo Wang, Sheng Ma, Yuhang Zhang +14
CsVSb is a newly discovered Kagome superconductor that attracts great interest due to its topological nontrivial band structure and the coexistence of superconductivity and…
Electronic phase diagram of iron chalcogenide superconductors FeSe1-xSx and FeSe1-yTey
Shaobo Liu, Jie Yuan, Soonsang Huh +13
Here we establish a combined electronic phase diagram of isoelectronic FeSe1-xSx (0.19 > x > 0.0) and FeSe1-yTey (0.04 < y < 1.0) single crystals. The FeSe1-yTey crystals with y =…
Giant enhancement of critical current density at high field in superconducting (Li,Fe)OHFeSe films by Mn doping
Dong Li, Jie Yuan, Peipei Shen +14
Critical current density (Jc) is one of the major limiting factors for high field applications of iron-based superconductors. Here, we report that Mn-ions are successfully incorpor…
Non-Volatile Superconductivity in an Insulating Copper Oxide Induced via Ionic Liquid Gating
Xinjian Wei, Hao-bo Li, Qinghua Zhang +19
Manipulating the superconducting states of high-T_c cuprate superconductors in an efficient and reliable way is of great importance for their applications in next-generation electr…
Evidence for Multiple Underlying Fermi Surface and Isotropic Energy Gap in the Cuprate Parent Compound CaCuOCl
Cheng Hu, Jian-Fa Zhao, Ying Ding +9
The parent compounds of the high-temperature cuprate superconductors are Mott insulators. It has been generally agreed that understanding the physics of the doped Mott insulators i…
New Developments in Laser-Based Photoemission Spectroscopy and its Scientific Applications: a Key Issues Review
Xingjiang Zhou, Shaolong He, Guodong Liu +3
The significant progress in angle-resolved photoemission spectroscopy (ARPES) in last three decades has elevated it from a traditional band mapping tool to a precise probe of many-…
Orbital Origin of Extremely Anisotropic Superconducting Gap in Nematic Phase of FeSe Superconductor
Defa Liu, Cong Li, Jianwei Huang +31
The iron-based superconductors are characterized by multiple-orbital physics where all the five Fe 3 orbitals get involved. The multiple-orbital nature gives rise to various nov…
Electronic structure and nematic phase transition in superconducting multi-layer FeSe films grown by pulsed laser deposition method
Bing Shen, Zhongpei Feng, Jianwei Huang +9
We report comprehensive angle-resolved photoemission investigations on the electronic structure of single crystal multiple-layer FeSe films grown on CaF2 substrate by pulsed laser…
Identification of Topological Surface State in PdTe2 Superconductor by Angle-Resolved Photoemission Spectroscopy
Yan Liu, Jianzhou Zhao, Li Yu +16
High resolution angle-resolved photoemission measurements have been carried out on transition metal dichalcogenide PdTe2 that is a superconductor with a Tc at 1.7 K. Combined with…
Electronic Structure of Transition Metal Dichalcogenides PdTe2 and Cu0.05PdTe2 Superconductors Obtained by Angle-Resolved Photoemission Spectroscopy
Yan Liu, Jianzhou Zhao, Li Yu +21
The layered transition metal chalcogenides have been a fertile land in solid state physics for many decades. Various MX2-type transition metal dichalcogenides, such as WTe2, IrTe2,…
Common Electronic Origin of Superconductivity in (Li,Fe)OHFeSe Bulk Superconductor and Single-Layer FeSe/SrTiO3 Films
Lin Zhao, Aiji Liang, Dongna Yuan +17
The mechanism of high temperature superconductivity in the iron-based superconductors remains an outstanding issue in condensed matter physics. The electronic structure, in particu…
Dichotomy of Electronic Structure and Superconductivity between Single-Layer and Double-Layer FeSe/SrTiO3 Films
Xu Liu, Defa Liu, Wenhao Zhang +21
The latest discovery of possible high temperature superconductivity in the single-layer FeSe film grown on a SrTiO3 substrate, together with the observation of its unique electroni…
Electronic Evidence of an Insulator-Superconductor Transition in Single-Layer FeSe/SrTiO3 Films
Junfeng He, Xu Liu, Wenhao Zhang +21
In high temperature cuprate superconductors, it is now generally agreed that the parent compound is a Mott insulator and superconductivity is realized by doping the antiferromagnet…
Phase Diagram and High Temperature Superconductivity at 65 K in Tuning Carrier Concentration of Single-Layer FeSe Films
Shaolong He, Junfeng He, Wenhao Zhang +21
Superconductivity in the cuprate superconductors and the Fe-based superconductors is realized by doping the parent compound with charge carriers, or by application of high pressure…
Electronic Origin of High Temperature Superconductivity in Single-Layer FeSe Superconductor
Defa Liu, Wenhao Zhang, Daixiang Mou +21
The latest discovery of high temperature superconductivity signature in single-layer FeSe is significant because it is possible to break the superconducting critical temperature ce…
Growth, Characterization and Fermi Surface of Heavy Fermion CeCoIn5 Superconductor
Xiaowen Jia, Yan Liu, Li Yu +21
High quality single crystals of heavy Fermion CeCoIn5 superconductor have been grown by flux method with a typical size of (1~2)mm x (1~2)mm x ~0.1 mm. The single crystals are char…
Extraction of Electron Self-Energy and Gap Function in the Superconducting State of Bi_2Sr_2CaCu_2O_8 Superconductor via Laser-Based Angle-Resolved Photoemission
Wentao Zhang, Jin Mo Bok, Jae Hyun Yun +28
Super-high resolution laser-based angle-resolved photoemission measurements have been performed on a high temperature superconductor Bi_2Sr_2CaCu_2O_8. The band back-bending charac…
Common Fermi Surface Topology and Nodeless Superconducting Gap in K0.68Fe1.79Se2 and (Tl0.45K0.34)Fe1.84Se2 Superconductors Revealed from Angle-Resolved Photoemission Spectroscopy
Lin Zhao, Daixiang Mou, Shanyu Liu +22
We carried out high resolution angle-resolved photoemission measurements on the electronic structure and superconducting gap of K_0.68Fe_1.79Se_2 (T_c=32 K) and (Tl_0.45K_0.34)Fe_1…
Distinct Fermi Surface Topology and Nodeless Superconducting Gap in (Tl0.58Rb0.42)Fe1.72Se2 Superconductor
Daixiang Mou, Shanyu Liu, Xiaowen Jia +19
High resolution angle-resolved photoemission measurements have been carried out to study the electronic structure and superconducting gap of the (TlRb)Fe…