Superconductivity in La1.85Sr0.15CuO4 Ceramic Samples
N. V. Dalakova, B. I. Belevtsev, E. Yu. Beliayev, Yu. A. Savina, O. I. Yuzephovich, S. V. Bengus, N. P. Bobrysheva
TL;DR
This paper investigates the granular effects on superconductivity in La1.85Sr0.15CuO4 ceramics, revealing step-like transitions and magnetoresistance hysteresis linked to the material's granular structure.
Contribution
It provides new insights into how granularity influences superconducting properties in La1.85Sr0.15CuO4 ceramics.
Findings
Superconducting transition shows step-like behavior.
Magnetoresistance hysteresis loops are observed at low temperatures.
Granular structure significantly affects superconducting properties.
Abstract
Effects related to the granularity of a La1.85Sr0.15CuO4 ceramic sample, synthesized by the solidstate reaction method, are presented. The superconducting transition exhibits a step-like behavior. Lowtemperature features of magnetoresistance hysteresis loops associated with the granular structure of the sample have been observed.
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Taxonomy
TopicsPhysics of Superconductivity and Magnetism · Dielectric properties of ceramics · Superconductivity in MgB2 and Alloys