Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd$_{2-x}$Ce$_x$CuO$_{4+\delta}$

Transport properties of Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4 + δ}$ single crystal films are investigated in magnetic fields $B$ up to 9T at $T$ =(0.4-4.2)K. An analysis of normal state (at $B > B_{c 2}$ ) Hall coefficient $R_{H}$ $^{n}$ dependence on Ce doping takes us to a conclusion about the existence both of electron-like and hole-like contributions to transport in nominally electron-doped system. In accordance with $R_{H}$ $^{n}$ (x) analysis an anomalous sign reversal of Hall effect in mixed state at $B < B_{c 2}$ may be ascribed to a flux-flow regime for two types of carriers with opposite charges.

Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4 + δ}$

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Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4 + δ}$

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Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd2−x2−x​Cexx​CuO4+δ4+δ​

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Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd2−x2−x​Cexx​CuO4+δ4+δ​

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Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4 + δ}$

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Doping effect on the anomalous behavior of the Hall effect in electron-doped superconductor Nd $_{2 - x}$ Ce $_{x}$ CuO $_{4 + δ}$

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AI智能校验