Two-dimensional superconductivity in stripe-ordered La1.6−xNd0.4SrxCuO4 single crystals
J. F. Ding, X. Q. Xiang, Y. Q. Zhang, H. Liu, X. G. Li
DOI 10.1103/PhysRevB.77.214524 · Physical Review B
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Abstract
The dc and ac magnetizations of the stripe-ordered La1.6−xNd0.4SrxCuO4 (x=0.10,0.15,0.18) single crystals have been studied systematically under different magnetic-field orientations. It is found that the dc magnetizations M for all the three different doped samples show two diamagnetic steps for H∥c, while there is only one for H∥ab. The real part M′ of the ac magnetization is similar to that of the dc one and the imaginary part M″ shows two peaks at the temperatures corresponding to the two steps of M′. For comparison, the dc magnetization of La1.85Sr0.15CuO4 single crystal without static stripe phase has only one transition for H∥c. The results suggest that the anisotropic magnetic properties in La1.6−xNd0.4SrxCuO4 are closely related to the decoupling between the CuO2 planes by the static stripe order which causes a two-dimensional superconducting state in the system.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| La1.6-xNd0.4SrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La1.50Nd0.4Sr0.10CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La1.45Nd0.4Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 30 | Pressure not reported | onset |
| La1.45Nd0.4Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 13.6 | Pressure not reported | zero_resistance |
| La1.45Nd0.4Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 21 | Pressure not reported | onset |
| La1.45Nd0.4Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 13.6 | Pressure not reported | midpoint |
| La1.42Nd0.4Sr0.18CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La1.85Sr0.15CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Bi2Sr2Ca1-xGdxCu2O8 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| YBa2Cu3O7-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Pr0.88LaCe0.12CuO4-δ Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| Bi2Sr2-xLaCuO6+y Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La2-xSrxCuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
| La1.875Ba0.125CuO4 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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