Correlation of anomalous normal state properties with superconductivity in Pb1−x−yTlxInyTe
A. S. Erickson, N. P. Breznay, E. A. Nowadnick, T. H. Geballe, I. R. Fisher
DOI 10.1103/PhysRevB.81.134521 · 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
Recent evidence for a charge-Kondo effect in superconducting samples of Pb1−xTlxTe has brought renewed attention to the possibility of negative U superconductivity in this material, associated with valence fluctuations on the Tl impurity sites. Here, we use indium as an electron donor to counterdope Pb.99Tl.01Te and study the effect of changing the chemical potential on the Kondo-type physics and the superconductivity. We find a clear correlation between these two effects, providing further evidence that both are induced by the same source, as anticipated in the charge-Kondo model.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Pb1-xTlxTe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.4 | Pressure not reported | unknown |
| Pb0.99-yTl0.01InyTe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Pb1-x-yTlxInyTe Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
Similar papers
Local dynamical lattice instabilities: Prerequisites for resonant pairing superconductivity
similarity 0.95Julius Ranninger & Alfonso Romano
Source status unknown — claims are unverified
Superconductivity in Charge Kondo Systems
similarity 0.94Maxim Dzero & Jörg Schmalian
Source status unknown — claims are unverified
Doping Induced Evolution of Fermi Surface in Low Carrier Superconductor Tl-Doped PbTe
similarity 0.92K. Nakayama et al.
Source status unknown — claims are unverified
Correlation of anomalous scattering and superconductivity in PbTlTe doped with additional indium donors
similarity 0.91A. S. Erickson et al. · 2009 · arXiv:0904.3359
Source status unknown — claims are unverified
Peculiarities of superconductivity in the single-layer FeSe/SrTiO3 interface
similarity 0.91Lev P. Gor'kov
Source status unknown — claims are unverified
Type II superconducting parameters of Tl-doped PbTe determined from heat capacity and electronic transport measurements
similarity 0.91Y. Matsushita et al.
Source status unknown — claims are unverified