Normal state charge dynamics of Fe1.06Te0.88S0.14 superconductor probed with infrared spectroscopy
N. Stojilovic, A. Koncz, L. W. Kohlman, Rongwei Hu, C. Petrovic, S. V. Dordevic
DOI 10.1103/PhysRevB.81.174518 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We have used optical spectroscopy to probe the normal state electrodynamic response of Fe1.06Te0.88S0.14, a member of the 11 family of iron-based superconductors with Tc=8 K. Measurements have been conducted over a wide frequency range (50–50 000 cm−1) at selected temperatures between 10 and 300 K. At low temperatures the material behaves as an “incoherent metal:” a Drude-type peak is absent from the optical conductivity and all optical functions reveal that quasiparticles are not well defined down to the lowest measured temperature. We introduce “generalized spectral weight” analysis and use it to track temperature induced redistribution of spectral weight. Our results, combined with previous reports, indicate that the 11 family of iron-based superconductors might be different from other families.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Fe1.06Te0.88S0.14 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 8 | Pressure not reported | zero_resistance |
Similar papers
Normal state charge dynamics of Fe1.06Te0.88S0.14 superconductor probed with infrared spectroscopy
similarity 1.00N. Stojilovic et al. · 2010 · arXiv:1002.1948
Source status unknown — claims are unverified
Persistent correlation between superconductivity and antiferromagnetic fluctuations near a nematic quantum critical point in FeSe1−xSx
similarity 0.94P. Wiecki et al.
Source status unknown — claims are unverified
Comparative study of superconducting and normal-state anisotropy in Fe1+yTe0.6Se0.4 superconductors with controlled amounts of interstitial excess Fe
similarity 0.94Yue Sun et al.
Source status unknown — claims are unverified
Superconductivity, magnetism, and stoichiometry of single crystals of Fe1+y(Te1−xSx)z
similarity 0.94Rongwei Hu et al.
Source status unknown — claims are unverified
Normal and superconducting state properties of Cu-doped FeSe single crystals
similarity 0.94Chunsheng Gong (龚春生) et al.
Source status unknown — claims are unverified
Substitution of Ni for Fe in superconducting Fe0.98Te0.5Se0.5 depresses the normal-state conductivity but not the magnetic spectral weight
similarity 0.94Jinghui Wang et al.
Source status unknown — claims are unverified