Article Dans Une Revue Physical Review B: Condensed Matter (1978-1997) Année : 1988

Effects of Ni-to-Cu substitution on the properties of the high-Tc superconductor La1.85Sr10.15CuO4-y

Résumé

We report experimental data about the influence of Ni substitution on the properties of the high-Tc superconductor La1.85Sr10.15CuO4-y, 0≤ x ≤0.05. Superconductivity is totally suppressed above x=0.04 and the Curie law observed at x=0.05 reveals an effective magnetic moment of 0.7μB instead of 3 μB as for spin (1/2. This result is explained by the existence of a singly &) level. Possibilities for non-s-wave superconductivity are also discussed in conjunction with our experimental data.

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hal-04944364 , version 1 (20-03-2025)

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W. Kang, H. Schulz, D. Jérome, S.S.P. Parkin, J.M. Bassat, et al.. Effects of Ni-to-Cu substitution on the properties of the high-Tc superconductor La1.85Sr10.15CuO4-y. Physical Review B: Condensed Matter (1978-1997), 1988, 37 (10), pp.5132-5135. ⟨10.1103/PhysRevB.37.5132⟩. ⟨hal-04944364⟩
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