Electrostatic modulation of superconductivity in ultrathin GdBa2Cu3O7-x films

被引：261

作者：

Ahn, CH ^{[1
]}

Gariglio, S ^{[1
]}

Paruch, P ^{[1
]}

Tybell, T ^{[1
]}

Antognazza, L ^{[1
]}

Triscone, JM ^{[1
]}

机构：

[1] Univ Geneva, Dept Phys Mat Condensee, CH-1211 Geneva 4, Switzerland

来源：

SCIENCE | 1999年 / 284卷 / 5417期

关键词：

D O I：

10.1126/science.284.5417.1152

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：

The polarization field of the ferroelectric oxide Lead zirconate titanate [Pb(ZrxTi1-x)O-3] was used to tune the critical temperature of the high-temperature superconducting cuprate gadolinium barium copper oxide (GdBa2Cu3O7-x) in a reversible, nonvolatile fashion. For slightly underdoped samples, a uniform shift of several Kelvin in the critical temperature was observed, whereas for more underdoped samples, an insulating state was induced. This transition from superconducting to insulating behavior does not involve chemical or crystalline, modification of the material.

引用

页码：1152 / 1155

页数：4

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