← Back to search

X-ray identification of the superconducting high-Tc phase in the Y-Ba-Cu-O system

S. B. Qadri, L. E. Toth, M. Osofsky, S. Lawrence, D. U. Gubser, S. A. Wolf

DOI 10.1103/PhysRevB.35.7235 · Physical Review B

T1

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

The phase responsible for superconductivity above 90 K in the Y-Ba-Cu-O system has been tentatively identified as the La3−xBa3+xCu6O14+y-type structure through a combination of x-ray diffraction and superconducting transport measurements.

Source-reported materials — not catalogue approval

FormulaReported Tc (K)Pressure (GPa)Type
Y1.6Ba1.4Cu2O6+y

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

94Pressure not reportedonset
Y1.6Ba1.4Cu2O6+y

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

94Pressure not reportedonset
Y1.2Ba0.8CuO4-y

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

90Pressure not reportedonset
Y1.75Ba0.25CuO4-y

Archive — visibility unverified

Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula.

90Pressure not reportedonset

Similar papers