218 citations · 1.3k across the 42 of their papers we have counts for
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Revealing the immediate formation of two-fold rotation symmetry in charge-density-wave state of Kagome superconductor CsVSb by optical polarization rotation measurement
Qiong Wu, Z. X. Wang, Q. M. Liu +8
We report the observation of two-fold rotation symmetry in charge density wave (CDW) state in the newly discovered Kagome superconductor CsVSb. Below its CDW transition tem…
Light-induced new collective modes in LaBaCuO superconductor
S. J. Zhang, Z. X. Wang, L. Y. Shi +5
We report near and mid-infrared pump c-axis terahertz probe measurement on a superconducting single crystal LaBaCuO with T=32 K. The measurement reveals…
Angle-resolved spectroscopy study of Ni-based superconductor SrNiAs
L. -K. Zeng, P. Richard, A. van Roekeghem +7
We performed an angle-resolved photoemission spectroscopy study of the Ni-based superconductor SrNiAs. Electron and hole Fermi surface pockets are observed, but their diffe…
Resonant inelastic x-ray scattering study of electronic excitations in insulating KFeSe
H. Gretarsson, T. Nomura, I. Jarrige +9
We report an Fe -edge resonant inelastic X-ray scattering (RIXS) study of KFeSe. This material is an insulator, unlike many parent compounds of iron-based…
Observation of anomalous temperature dependence of spectrum on small Fermi surfaces in a BiS2-based superconductor
L. K. Zeng, X. B. Wang, J. Ma +7
We performed an angle-resolved photoemission spectroscopy study of the BiS2-based superconductor Nd(O,F)BiS2. Two small electron-like Fermi surfaces around X (pi, 0) are observed,…
Structural phase transition induced by van Hove singularity in 5d transition metal compound IrTe2
T. Qian, H. Miao, Z. J. Wang +17
Comprehensive studies of the electronic states of Ir 5d and Te 5p have been performed to elucidate the origin of the structural phase transition in IrTe2 by combining angle-resolve…
Robust magnetic order of Ce 4f-electrons coexisting with superconductivity in CeFeAsOF
T. Shang, L. Jiao, J. Dai +4
The electrical resistance of CeFeAsOF (x = 0.06 and 0.08) has been measured in a magnetic field up to 40T. At zero field, the sample with x = 0.06 shows a structural ph…
Multiple superconducting gap and anisotropic spin fluctuations in iron arsenides: Comparison with nickel analog
Z. Li, S. Kawasaki, T. Oka +12
We present extensive 75As NMR and NQR data on the superconducting arsenides PrFeAs0.89F0.11 (Tc=45 K), LaFeAsO0.92F0.08 (Tc=27 K), LiFeAs (Tc = 17 K) and Ba0.72K0.28Fe2As2 (Tc = 31…
Three dimensionality of band structure and a large residual quasiparticle population in BaKFeAs as revealed by the c-axis polarized optical measurement
B. Cheng, Z. G. Chen, C. L. Zhang +10
We report on a c-axis polarized optical measurement on a BaKFeAs single crystal. We find that the c-axis optical response is significantly different from…
Measurement of the c-axis optical reflectance of AFeAs (A=Ba, Sr) single crystals: Evidence of different mechanisms for the formation of two energy gaps
Z. G. Chen, T. Dong, R. H. Ruan +7
We present the c-axis optical reflectance measurement on single crystals of BaFeAs and SrFeAs, the parent compounds of FeAs based superconductors. Different from th…
Universal Decomposition of the Low-Frequency Conductivity Spectra of Iron-Pnictides Uncovering Fermi-Liquid Behavior
D. Wu, N. Barisic, P. Kallina +9
Infrared reflectivity measurements on 122 iron-pnictides reveal the existence of two electronic subsystems. The one gapped due to the spin-density-wave transition in the parent mat…
Lattice distortion and magnetic quantum phase transition in CeFeAs(1-x)P(x)O
Clarina de la Cruz, W. Z. Hu, Shiliang Li +8
We use neutron scattering to show that replacing the larger arsenic with smaller phosphorus in CeFeAs(1-x)P(x)O simultaneously suppresses the AF order and orthorhombic distortion n…
Optical study on the spin-density wave properties in single crystalline NaFeAs
W. Z. Hu, G. Li, P. Zheng +3
We report an optical investigation on the in-plane charge dynamics for NaFeAs single crystal. A clear optical evidence for the spin-density wave (SDW) gap is observed. As t…
Optical and Raman spectroscopy studies on Fe-based superconductors
W. Z. Hu, Q. M. Zhang, N. L. Wang
A brief review of optical and Raman studies on the Fe-based superconductors is given, with special emphasis on the competing phenomenon in this system. Optical investigations on Re…
Electronic structure of optimally doped pnictide BaKFeAs: a comprehensive ARPES investigation
H. Ding, K. Nakayama, P. Richard +13
We have conducted a comprehensive angle-resolved photoemission study on the normal state electronic structure of the Fe-based superconductor BaKFeAs. We hav…
Thermal Hall Conductivity as a Probe of Gap Structure in Multi-band Superconductors: The Case of
J. G. Checkelsky, R. Thomale, Lu Li +4
The sign and profile of the thermal Hall conductivity gives important insights into the gap structure of multi-band superconductors. With this perspective, we have investi…
Doping evolution of chemical potential, spin-correlation gap, and charge dynamics in NdCeCuO
N. L. Wang, G. Li, Dong Wu +3
We report optical reflectivity study on NdCeCuO over a broad doping range 00.20. The study reveals a systematic shift of chemical potential with doping.…
The oxygen isotope effect in the ab-plane reflectance of underdoped YBa_2Cu_3O_{7-delta}
N. L. Wang, T. Timusk, J. P. Franck +3
We have measured the effect of oxygen isotope substitution on the ab-plane reflectance of underdoped YBCO. The frequency shift of the transverse optic phonons due to the substituti…
Normal-State Hall Effect and the Insulating Resistivity of High-T_c Cuprates at Low Temperatures
Yoichi Ando, G. S. Boebinger, A. Passner +5
The normal-state Hall coefficient R_H and the in-plane resistivity ρ_{ab} are measured in La-doped Bi_{2}Sr_{2}CuO_{y} (T_c \simeq 13 K) single crystals and La_{2-x}Sr_{x}CuO_{4} t…