Non-volatile resistive switching in the dielectric superconductor YBa2Cu3O7-δ

被引：32

作者：

Acha, C. ^{[1
]}

Rozenberg, M. J. ^{[1
,2
]}

机构：

[1] Univ Buenos Aires, Dept Fis, FCEyN, Buenos Aires, DF, Argentina

[2] Univ Paris 11, CNRS, Phys Solides Lab, UMR8502, F-91405 Orsay, France

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 2009年 / 21卷 / 04期

关键词：

T-C SUPERCONDUCTORS; GRAIN-BOUNDARIES; RESISTANCE; FILMS; MEMORY; SRTIO3; METAL;

D O I：

10.1088/0953-8984/21/4/045702

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report on the reversible, non-volatile and polarity-dependent resistive switching between superconductor and insulator states at the interfaces of an Au/YBa2Cu3O7-delta ( YBCO)/Au system. We show that, upon application of electric pulses, the superconducting state of YBCO in regions near the electrodes can be reversibly removed and restored. In addition, four-wire measurements reveal that pulsing also induces significant non-volatile changes in the bulk resistance. We argue that our observations are compatible with a scenario where the switching effect is due to migration of oxygen ions along grain boundaries that control the inter-grain superconducting coupling.

引用

页数：5

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