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首页> 外文期刊>Physica, C. Superconductivity and its applications >Behaviour of both in-plane and out-of-plane resistivities of Nd2-xCexCuO4 single crystals
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Behaviour of both in-plane and out-of-plane resistivities of Nd2-xCexCuO4 single crystals

机译:Nd2-xCexCuO4单晶的面内和面外电阻率特性

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The norma state transport properties of as-grown Nd2-xCexCuO4 single crystals with x=0; 0.13; 0.17; 0.18 are investigated in temperature range 1.7 K less than or equal to T less than or equal to 300 K and at the magnetic field up to B = 5 T. It was found that the increase of the Ce-content leads to the change of the conduction law from semiconductor-like behaviour for undoped Nd2CuO4 to metallic-like for overdoped single crystals. Anisotropic negative magnetoresistance together with non-metallic behaviour (rho (T) similar to ln T) at low temperatures of the in-plane resistivity demonstrates 2D (or anisotropic 3D) weak localization effect for the as-grown single crystals. [References: 6]
机译:x = 0时生长的Nd2-xCexCuO4单晶的规范态输运性质; 0.13; 0.17;在1.7 K小于或等于T小于或等于300 K的温度范围内以及在磁场高达B = 5 T的条件下研究了0.18。发现Ce含量的增加会导致C含量的变化。传导定律从未掺杂Nd2CuO4的类似半导体行为到过量掺杂单晶的金属类似行为。各向异性负磁电阻与低温下的面内电阻率的非金属行为(rho(T)类似于ln T)一起证明了所生长的单晶具有2D(或各向异性3D)的弱定位作用。 [参考:6]

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