Coexistence of magnetism and superconductivity in ultraclean underdoped YBa2Cu3O6.37
R. I. Miller, R. F. Kiefl, J. H. Brewer, F. D. Callaghan, J. E. Sonier, R. Liang, D. A. Bonn, W. Hardy
DOI 10.1103/PhysRevB.73.144509 · Physical Review B
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Abstract
Muon spin rotation and magnetization measurements in ultraclean single crystals of superconducting YBa2Cu3O6+x (x=0.375) reveal transitions at T=19 K to a bulk superconducting state and below T=15 K to a disordered antiferromagnetic state. The superconducting state pins magnetic flux. At the lowest temperatures an internal magnetic field with a magnitude close to that seen in the antiferromagnetic parent compound is present throughout the bulk of the sample. The two states coexist on a nanometer length scale, and over a narrow region of oxygen doping.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| YBa2Cu3O6.375 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 19 | Pressure not reported | onset |
| YBa2Cu3O6.375 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 19 | Pressure not reported | unknown |
| YBa2Cu3O6.365 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 14.5 | Pressure not reported | unknown |
| YBa2Cu3O6.53 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 57 | Pressure not reported | unknown |
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