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Observation of enhanced properties in samples of silver oxide doped YBa2Cu3O<i>x</i>
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1988
Year
Magnetic PropertiesEngineeringEnhanced PropertiesMagnetic MaterialsMagnetismSuperconductivityHigh Tc SuperconductorsEnvironmental MagnetismMaterials ScienceHigh-tc SuperconductivityPhysicsCritical Current DensityOxide ElectronicsMagnetoelasticityMagnetic MaterialFerromagnetismMaterial AnalysisNatural SciencesApplied PhysicsCondensed Matter PhysicsFlux PinningMagnetic PropertySilver Oxide
Samples of YBa2 Cu3Ox doped with silver oxide (Tc ∼93 K) have exhibited attractive forces in gradient magnetic fields, both normal and tangential to the surfaces, which are more than twice the sample weight. This allows sample suspension below a rare earth magnet. Critical current density was increased by ∼102 at 77 K. Persistent fields, flux pinning, magnetization, and modeling are described.