180 citations · 873 across the 15 of their papers we have counts for
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Electron Mass Enhancement near a Nematic Quantum Critical Point in NaFeCoAs
C. G. Wang, Z. Li, J. Yang +6
A magnetic order can be completely suppressed at zero temperature(), by doping carriers or applying pressure, at a quantum critical point(QCP), around which physical properties…
Charge-density-wave order takes over antiferromagnetism in BiSrLaCuO superconductors
S. Kawasaki, Z. Li, M. Kitahashi +4
Superconductivity appears in the cuprates when a spin order is destroyed, while the role of charge is less known. Recently, charge density wave (CDW) was found below the supercondu…
Charge fluctuations and nodeless superconductivity in quasi-one-dimensional TaPdTe revealed by Te-NMR and Ta-NQR
Z. Li, W. H. Jiao, G. H. Cao +1
We report Te nuclear magnetic resonance and Ta nuclear quadrupole resonance studies on single-crystal TaPdTe, which has a quasi-one-dimensional s…
Quantum Criticality in Electron-doped BaFe_{2-x}Ni_xAs_2
R. Zhou, Z. Li, J. Yang +3
A quantum critical point (QCP) is a point in a system's phase diagram at which an order is completely suppressed at absolute zero temperature (T). The presence of a quantum critica…
Microscopic coexistence of antiferromagnetic order and superconductivity in BaKFeAs
Z. Li, R. Zhou, D. L. Sun +3
We report ^{75}As nuclear magnetic resonance studies on an underdoped single-crystal Ba0.77K0.23Fe2As2 with Tc = 16.5 K. Below T_N = 46 K, the NMR peaks for H//c split and those fo…
Antiferromagnetic Spin Fluctuation above the Superconducting Dome and the Full-Gaps Superconducting State in LaFeAsO1-xFx Revealed by 75As-Nuclear Quadrupole Resonance
T. Oka, Z. Li, S. Kawasaki +3
We report a systematic study by 75As nuclear-quadrupole resonance in LaFeAsO1-xFx. The antiferromagnetic spin fluctuation (AFSF) found above the magnetic ordering temperature TN =…
Nodeless energy gaps of single-crystalline Ba0.68K0.32Fe2As2 as seen via 75As NMR
Z. Li, D. L. Sun, C. T. Lin +3
We report As nuclear magnetic resonance studies on a very clean hole-doped single-crystal BaKFeAs ( K). The spin-lattice rela…
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…
Evidence for a full energy gap for nickel-pnictide LaNiAsO_{1-x}F_x superconductors by ^{75}As nuclear quadrupole resonance
T. Tabuchi, Z. Li, G. F. Chen +4
We report systematic ^{75}As-NQR and ^{139}La-NMR studies on nickel-pnictide superconductors LaNiAsO_{1-x}F_x (x=0, 0.06, 0.10 and 0.12). The spin lattice relaxation rate 1/T_1 dec…
Superconducting state in the non-centrosymmetric Mg_{9.3}Ir_{19}B_{16.7} and Mg_{10.5}Ir_{19}B_{17.1} revealed by NMR
K. Tahara, Z. Li, H. X. Yang +3
We report ^{11}B NMR measurements in non-centrosymmetric superconductors Mg_{9.3}Ir_{19}B_{16.7} (T_c=5.8 K) and Mg_{10.5}Ir_{19}B_{17.1} (T_c=4.8 K). The spin lattice relaxation r…
Anisotropic spin fluctuations and multiple superconducting gaps in hole-doped Ba_0.7K_0.3Fe_2As_2: NMR in a single crystal
K. Matano, G. L. Sun, D. L. Sun +3
We report the first ^{75}As-NMR study on a single crystal of the hole-doped iron-pnictide superconductor Ba_{0.7}K_{0.3}Fe_2As_{2} (T_c = 31.5 K). We find that the Fe antiferromagn…
Probing superconducting energy gap from infrared spectroscopy on a BaKFeAs single crystal with T=37 K
G. Li, W. Z. Hu, J. Dong +5
We performed optical spectroscopy measurement on a superconducting BaKFeAs single crystal with T=37 K. Formation of the superconducting energy gaps in t…
Transport and anisotropy in single-crystalline SrFeAs and KFeAs ( = Sr, Ba) superconductors
G. F. Chen, Z. Li, J. Dong +7
We have successfully grown high quality single crystals of SrFeAs and AKFeAs(A=Sr, Ba) using flux method. The resistivity, specific heat and Hall co…
Nernst effect of the new iron-based superconductor LaOFFeAs
Z. W. Zhu, Z. A. Xu, X. Lin +6
We report the first Nernst effect measurement on the new iron-based superconductor LaOFFeAs . In the normal state, the Nernst signal is negative and very sma…
Evidence of s-wave pairing symmetry in layered superconductor LiNbO from the specific heat measurement
G. T. liu, J. L. Luo, Z. Li +4
A high quality superconducting LiNbO polycrystalline sample was synthesized by deintercalation of Li ions from LiNbO. The field dependent resistivity and…