Abstract

The longitudinal, ϱ xx, and transverse, ϱ xy resistivities of YBa 2Cu 3O y/Nd 1.85Ce 0.15CuO 4 and YBa 2Cu 3O y/Y 0.5Pr 0.5Ba 2Cu 3O y multilayers in mixed states were measured at different temperature ranges near T c to investigate the effect of flux pinning on the mixed state Hall coefficient. The ϱ xx shows thermally activated behavior under magnetic fields parallel to the crystal c-axis. The negative Hall coefficient in mixed state depends on the pinning ability of the multilayers.

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