Metallization and superconducting properties of YBa2Cu3O6.2Bry
H. B. Radousky, R. S. Glass, P. A. Hahn, M. J. Fluss, R. G. Meisenheimer, B. P. Bonner, C. I. Mertzbacher, E. M. Larson, K. D. McKeegan, J. C. O’Brien, J. L. Peng, R. N. Shelton, K. F. McCarty
DOI 10.1103/PhysRevB.41.11140 · 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
Low-temperature (260 °C) and short-time (>5-min) treatment of initially insulating YBa2Cu3O6.2 with Br2 gas converts the material into a 90-K superconductor. Bromine diffusion is found to be four orders of magnitude greater than oxygen diffusion at the same temperature. The crystal structure, phase purity, microstructure, thermal stability, and oxygen content have been studied using x-ray-diffraction Rietveld analysis, Raman spectroscopy, x-ray-fluorescence microprobe, and thermal gravimetric analysis. Superconducting and normal-state properties of the brominated material have been studied with diffuse infrared reflectivity and magnetization.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O6.2Bry Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92 | Pressure not reported | onset |
| YBa2Cu3O6.94 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 92 | Pressure not reported | unknown |
| YBa2Cu3O6 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 90 | Pressure not reported | unknown |
Similar papers
Superconducting fluctuation effects on the electron spin susceptibility in YBa2Cu3O6.95
similarity 0.97H. N. Bachman et al.
Source status unknown — claims are unverified
Superconducting Fluctuation Effects on the Spin-Lattice Relaxation Rate in YBa2Cu3O6.95
similarity 0.97V. F. Mitrović et al.
Source status unknown — claims are unverified
Effect of compositional variation and annealing in oxygen on superconducting properties of Y1Ba2Cu3O8−y
similarity 0.96A. J. Panson et al.
Source status unknown — claims are unverified
Disorder and superconducting-state conductivity of single crystals of YBa2Cu3O6.95
similarity 0.96D. N. Basov et al.
Source status unknown — claims are unverified
Electrical properties of high-Tc superconducting single-crystal Eu1Ba2Cu3Oy
similarity 0.96Makoto Hikita et al.
Source status unknown — claims are unverified
Coexistence of magnetism and superconductivity in ultraclean underdoped YBa2Cu3O6.37
similarity 0.96R. I. Miller et al.
Source status unknown — claims are unverified