RETRACTED: Field-induced superconductivity in a spin-ladder cuprate (Retracted Article)

被引：29
|
作者：
Schön, JH
Dorget, M
Beuran, FC
Xu, XZ
Arushanov, E
Laguës, M
Cavellin, CD
机构：
[1] Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA
[2] Univ Konstanz, Dept Phys, D-78457 Constance, Germany
[3] Univ Paris 12, Grp Phys Milieux Denses, F-94010 Creteil, France
[4] Ecole Super Phys & Chim Ind Ville Paris, CNRS, UPR 5, F-75005 Paris, France
[5] Moldavian Acad Sci, Inst Appl Phys, Kishinev 277028, Moldova
来源：
SCIENCE | 2001年 / 293卷 / 5539期
关键词：
D O I：
10.1126/science.1064204
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：
We report on the modulation of the transport properties of thin films, grown by molecular beam epitaxy, of the spin-ladder compound [CaCu2O3](4), using the field effect in a gated structure. At high hole-doping levels, superconductivity is induced in the nominally insulating [adder material without the use of high-pressure or chemical substitution. The observation of superconductivity is in agreement with the theoretical prediction that holes doped into spin ladders could pair and possibly superconduct.
引用
收藏
页码：2430 / 2432
页数：3
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