Evidence for one-dimensional charge transport in La2-x-yNdySrxCuO4

被引：199

作者：

Noda, T ^{[1
]}

Eisaki, H ^{[1
]}

Uchida, S ^{[1
]}

机构：

[1] Univ Tokyo, Dept Superconduct, Tokyo 1138656, Japan

来源：

SCIENCE | 1999年 / 286卷 / 5438期

关键词：

D O I：

10.1126/science.286.5438.265

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Doping dependences of the resistivity and the Hall coefficient are presented for neodymium-doped Lanthanum strontium cuprate (La1.4-xNd0.6SrxCuO4) in the static spin-charge stripe ordered phase. For doping concentration x less than or equal to 1/8, a rapid decrease in the magnitude of the Hall coefficient at Low temperatures provides evidence for one-dimensional charge transport, whereas for x > 1/8, the Hall coefficient remains relatively Large in the ordered phase. The results indicate a crossover from one- to two-dimensional charge transport taking place at x = 1/8.

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页码：265 / 268

页数：4

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