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Study of Electron Spin Resonance on single crystals
J. J. Ying, T. Wu, Q. J. Zheng +8
The temperature dependence of electron spin resonance (ESR) was studied in (x = 0.0, 0.067, 0.1, 0.2, 0.25, 0.285, 0.35, 0.4 and 0.5). The ESR spectrum of a…
Magnetism and superconductivity in single crystals
Q. J. Zheng, Y. He, T. Wu +9
We systematically studied the transport properties of single crystals of Co. Co doping can suppress the spin-density wave (SDW) ordering and induces…
Temperature Dependent Local Structure of LaFeAsO_{1-x}F_x: Probing the Bond Correlations
T. A. Tyson, T. Wu, J. Woicik +6
The local structure of the parent and doped LaFeAsO1-xFx (pnictide) compounds were studied by x-ray absorption spectroscopy. In the doped system, the Fe-As and Fe-Fe correlations a…
Abnormal T-linear susceptibility and Phase diagram of BaFeCoAs single crystals
X. F. Wang, T. Wu, G. Wu +4
We study systematically transport, susceptibility and heat capacity for BaFeCoAs single crystals. In the underdoped region, spin density wave (SDW) transition is ob…
Transport properties and superconductivity in KLnFeAs (Ln=Sm, Nd and La) system
R. H. Liu, G. Wu, H. Chen +8
We prepared the samples KLnFeAs (Ln=Sm, Nd and La) with ThCrSi-type structure. These samples were characterized by X-ray diffraction, resistivity, sus…
Evidence for Local Moment by Electron Spin Resonance Study on Polycrystalline LaFeAsOF (x=0 and 0.13)
T. Wu, J. J. Ying, G. Wu +7
The temperature dependence of electron spin resonance (ESR) was studied in the oxypnictide superconductors LaFeAsOF (x = 0.0 and 0.13). In the samples, the ESR signal i…