Intrinsic Hall response of the CuO2 planes in a chain-plane-composite system of YBa2Cu3Oy

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The Hall coefficient is measured in YBa₂Cu₃Oy untwinned single crystals for a wide range of doping. We show that the Hall conductivity and the Hall angle of the CuO₂ planes in YBa₂Cu₃Oy can be extracted from measurable transport properties regardless of the conduction of the Cu-O chains nor the in-plane anisotropy of the CuO₂ planes. The present analysis allows us to discuss the genuine Hall effect in the CuO₂ planes alone in YBa₂Cu₃Oy without any complications due to the Cu-O chains.