LT-STM observation of YBa2(Cu1-xZnx)3O7-δ single crystals

被引：0
|
作者：
Maki, M
Nishizaki, T
Kobayashi, N
机构：
[1] Tohoku Univ, Inst Mat Res, Aoba Ku, Sendai, Miyagi 9808577, Japan
[2] Tohoku Univ, Ctr Low Temp Sci, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2003年 / 388卷
关键词：
STM; YBa2Cu3O7-delta; Zn impurity;
D O I：
10.1016/S0921-4534(02)02439-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Low-temperature scanning tunneling microscopy on the BaO layer of cold-cleaved YBa2(Cu1-xZnx)(3)O7-delta single crystals reveals the one-dimensional charge modulations at lower bias voltage. These charge modulations have various lengths and are distributed randomly in space. The spatially inhomogeneous electronic state is regarded to be induced by Zn impurities in the CuO2 plane just under the BaO layer, because there are no charge modulations on Zn-free samples. The one-dimensional character possibly reflects the interaction between the CuO2 and the CuO-chain layers. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：279 / 280
页数：2
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