Trap-controlled space-charge-limited current mechanism in resistance switching at Al/Pr0.7Ca0.3MnO3 interface

被引：112

作者：

Harada, T. ^{[1
]}

Ohkubo, I. ^{[1
]}

Tsubouchi, K. ^{[1
]}

Kumigashira, H. ^{[1
,5
]}

Ohnishi, T. ^{[2
]}

Lippmaa, M. ^{[2
]}

Matsumoto, Y. ^{[3
]}

Koinuma, H. ^{[4
,5
]}

Oshima, M. ^{[1
,5
,6
]}

机构：

[1] Univ Tokyo, Dept Appl Chem, Bunkyo Ku, Tokyo 1138656, Japan

[2] Univ Tokyo, Inst Solid State Phys, Chiba 2278581, Japan

[3] Tokyo Inst Technol, Mat & Struct Lab, Yokohama, Kanagawa 2268503, Japan

[4] Univ Tokyo, Grad Sch Frontier Sci, Chiba 2778568, Japan

[5] Japan Sci & Technol Corp JST, CREST, Kawaguchi, Saitama 3320012, Japan

[6] Univ Tokyo, Synchrotron Radiat Res Org, Bunkyo Ku, Tokyo 1138656, Japan

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 22期

基金：

日本学术振兴会;

关键词：

D O I：

10.1063/1.2938049

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Well-defined metal-insulator-metal trilayered structures composed of epitaxial Pr(0.7)Ca(0.3)MnO(3) insulator layers, epitaxial LaNiO(3) bottom electrodes, and Al metal top electrodes were fabricated on LaAlO(3) (100) substrates. The I-V characteristics of the trilayer structures show electric-field-induced resistance switching. The resistance switching ratio of the heterostructures was up to 100 when positive and negative pulsed voltages were applied. Detailed I-V analysis indicates the importance of both trap-controlled space-charge-limited current and Poole-Frenkel effect in resistance switching at Al/Pr(0.7)Ca(0.3)MnO(3) interfaces. (C) 2008 American Institute of Physics.

引用

页数：3

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