Abstract
Hall coefficient and longitudinal (ϱ xx) resistivities were examined to study the vortex dynamics in the YBa 2Cu 3O 7/PrBa 2Cu 3O 7 (YBCO/PBCO) multilayers. We find that the sign reversal of the Hall coefficient R H diminishes with a decreasing thickness of the individual YBCO layer or a increasing thickness of the individual PBCO layer. These effects suggest a strong correlation between the mechanism of the mixed-state Hall voltage and the coupling strength between the layers.
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