Concentration range for superconductivity in high-quality Pr2−xCexCuO4−y thin films
J. L. Peng, E. Maiser, T. Venkatesan, R. L. Greene, G. Czjzek
DOI 10.1103/PhysRevB.55.R6145 · 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 report ac susceptibility, electrical resistivity, and structural measurements on crystalline Pr2−xCexCuO4−y (PCCO) thin films prepared by pulsed laser deposition. We find superconductivity occurs within a narrow Ce concentration range (0.1374, 4927 (1995)] on PCCO single crystals where superconductivity near 20 K was found for Ce concentration as low as x=0.04. Possible reasons for this difference will be discussed.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Pr2-xCexCuO4-y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 21 | Pressure unresolved | onset |
| Pr2-xCexCuO4-y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 21.5 | Pressure unresolved | onset |
| Pr2-xCexCuO4-y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 20 | Pressure not reported | unknown |
Similar papers
Two-dimensional superconductor-insulator quantum phase transitions in an electron-doped cuprate
similarity 0.95S. W. Zeng et al.
Source status unknown — claims are unverified
Microwave Electrodynamics of Electron-Doped Cuprate Superconductors
similarity 0.95J. David Kokales et al.
Source status unknown — claims are unverified
Point-contact spectroscopy of the electron-doped cuprate superconductor Pr2−xCexCuO4: The dependence of conductance-voltage spectra on cerium doping, barrier strength, and magnetic field
similarity 0.95M. M. Qazilbash et al.
Source status unknown — claims are unverified
Carrier concentration independent antiferromagnetic spin fluctuations in the electron-doped high-temperature superconducting cuprate Pr2−xCexCuO4
similarity 0.94G. V. M. Williams et al.
Source status unknown — claims are unverified
Infrared signature of the superconducting state in Pr2−xCexCuO4
similarity 0.94A. Zimmers et al.
Source status unknown — claims are unverified
Evolution of a bosonic mode across the superconducting dome in the high-Tc cuprate Pr2−xCexCuO4−δ
similarity 0.94I. Diamant et al.
Source status unknown — claims are unverified