Impurity Resonance States in Bi2Sr1.6La0.4CuO6+δ

被引：2

作者：

Nakamura, H. ^{[1
]}

Machida, T. ^{[1
,2
]}

Kato, T. ^{[1
]}

Fujimoto, M. ^{[1
]}

Funahashi, H. ^{[1
]}

Iguchi, M. ^{[1
]}

Kogure, K. ^{[1
]}

Yamasaki, T. ^{[1
]}

Ooi, S. ^{[2
]}

Mochiku, T. ^{[2
]}

Nakao, S. ^{[3
]}

Hirata, K. ^{[2
]}

Hasegawa, T. ^{[3
]}

Sakata, H. ^{[1
]}

机构：

[1] Tokyo Univ Sci, Dept Phys, Shinjuku Ku, Tokyo 1628601, Japan

[2] Natl Inst Mat Sci, Superconducting Mat Ctr, Tsukuba, Ibaraki 3050047, Japan

[3] Univ Tokyo, Dept Chem, Bunkyo Ku, Tokyo 1130033, Japan

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 05期

关键词：

Bi-based cuprates; Bi2Sr1.6La0.4CuO6+delta; Impurity effect; Local density of states; Scanning tunneling microscopy/spectroscopy; SUPERCONDUCTIVITY; BI2SR2CACU2O8+DELTA; INTERPLAY; ATOMS; NI;

D O I：

10.1007/s10948-012-1578-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using scanning tunneling spectroscopy (STS) at 4.2 K, we observed impurity resonance in single crystals of Zn doped Bi2Sr1.6La0.4CuO6+delta (T (C) =28 K) (Bi2201). Many impurity resonances characterized by the peak structure near E (F) were observed. We found that the number of the resonances was less than that of the doped impurities (0.45 % determined by inductively coupled plasma optical emission spectrometry). The resonance peaks were observed only in the region having smaller gap less than Delta(cut)similar to 26 meV. This Delta(cut) was about half of that reported in Bi2Sr2CaCu2O8+delta .

引用

页码：1263 / 1265

页数：3

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