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- W1998181981 abstract "We have investigated the in-plane transport properties of high-quality crystals of ${mathit{R}}_{2mathrm{ensuremath{-}}mathit{x}}$${mathrm{Ce}}_{mathit{x}}$${mathrm{CuO}}_{4mathrm{ensuremath{-}}mathit{y}}$ (R=Nd,Sm) prepared over a range of Ce contents x. We find the Hall coefficient ${mathit{R}}_{mathit{H}}$ is uniformly negative in superconducting (x near 0.15) and underdoped crystals, indicating electron conduction in the ${mathrm{CuO}}_{2}$ planes, and becomes positive at large doping (xensuremath{sim}0.2). The in-plane resistivity remains metallic over this range and decreases monotonically as x increases, consistent with an increasing carrier density. These data confirm results on ceramic samples and demonstrate that electron doping in the T'-phase superconductors and hole doping in the T-phase systems affect transport in the same way." @default.
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- W1998181981 date "1991-06-01" @default.
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- W1998181981 title "In-plane transport properties of single-crystalR2−xCexCuO4−y(R=Nd,Sm)" @default.
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- W1998181981 doi "https://doi.org/10.1103/physrevb.43.13606" @default.
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