Nonlinear doping of cuprate superconductors - The case of Bi2Sr2-xLaxCuO6+δ

被引：1

作者：

Roehler, J. ^{[1
]}

机构：

[1] Univ Cologne, Fachgrp Phys, D-50937 Cologne, Germany

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2010年 / 470卷

关键词：

Superconductivity; Cuprates; Doping; Substitution effects; Electronic structure; Phase separation; Bismuth; Oxygen;

D O I：

10.1016/j.physc.2009.11.027

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We analyze the hole doping mechanism in Bi2Sr2-xLaxCuO6+delta (BSLCO). The singular optimum around x = 0.35 is found to be connected with a feedback between the doped CuO2 layers and its dopant reactant [La3+/Bi3+-O-delta] locking the number of doped holes preferentially on to the universal optimum n(opt) similar or equal to 0.16. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：S39 / S41

页数：3

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