Publications (9)
Coexistence of Dirac-Cone States and Superconductivity in Iron Pnictide Ba(FeRuAs)
Y. Tanabe, K. K. Huynh, S. Heguri +6
The Ru doping effect on the Dirac cone states is investigated in iron pnictide superconductors Ba(FeRuAs) using the transverse magnetoresistance (MR) measurements a…
Pressure tuned superconductivity and normal state behavior in Ba(FeCo)As near the antiferromagnetic boundary
W. Liu, Y. F. Wu, X. J. Li +8
Superconductivity in iron pnictides is unconventional and pairing may be mediated by magnetic fluctuations in the Fe-sublattice. Pressure is a clean method to explore superconducti…
Optical study of Dirac fermions and related phonon anomalies in antiferromagnetic compound CaFeAsF
B. Xu, H. Xiao, B. Gao +8
We performed optical studies on CaFeAsF single crystals, a parent compound of the 1111-type iron-based superconductors that undergoes a structural phase transition from tetragonal…
Anisotropic Structure of the Order Parameter in FeSe0.45Te0.55 Revealed by Angle Resolved Specific Heat
B. Zeng, G. Mu, H. Q. Luo +7
The symmetry and structure of the superconducting gap in the Fe-based superconductors are the central issue for understanding these novel materials. So far the experimental data an…
Anisotropic Structure of the Order Parameter in FeSe_{0.4}Te_{0.6} Revealed by Angle Resolved Specific Heat
B. Zeng, G. Mu, H. Q. Luo +7
The symmetry and structure of the superconducting gap in the Fe-based superconductor are the central issue for understanding these novel materials. So far the experimental data and…
Anisotropic phase diagram and strong coupling effects in Ba1-xKxFe2As2
U. Welp, R. Xie, A. E. Koshelev +5
We present a thermodynamic study of the phase diagram of single-crystal Ba1-xKxFe2As2 using specific heat measurements. In zero-magnetic field a clear step in the heat capacity of…
Superconductivity in half-Heusler compound TbPdBi
H. Xiao, T. Hu, W. Liu +6
We have studied the half-Heusler compound TbPdBi through resistivity, magnetization, Hall effect and heat capacity measurements. A semimetal behavior is observed in its normal stat…
Suppression of backward scattering of Dirac fermions in iron pnictides Ba(FeRuAs)
Y. Tanabe, K. K. Huynh, T. Urata +5
We report electronic transport of Dirac cones when Fe is replaced by Ru, which has an isoelectronic electron configuration to Fe, using single crystals of Ba(FeRuAs)$_2…
Muon spin rotation study of magnetism and superconductivity in BaFe2-xCoxAs2 and Pr1-xSrxFeAsO
C. Bernhard, A. J. Drew, L. Schulz +10
We present a muon spin rotation (\muSR) study of the magnetic and superconducting properties of single crystals of electron-doped BaFe2-xCoxAs2 with x=0.08, 0.20, and 0.25 (Tc=9, 2…