Investigation on Oxotitanium Phthalocyanine Bistable Resistance Switching Characteristics for Memory Applications

被引：0
作者：
Kuang, Yongbian [1 ]
Yu, Zhe [1 ]
Xu, Xiaoyan [1 ]
Ma, Ying [2 ]
Wen, Yongqiang [2 ]
Song, Yanlin [2 ]
Huang, Ru [1 ]
机构：
[1] Peking Univ, Inst Microelect, Key Lab Microelect Devices & Circuits, Beijing 100871, Peoples R China
[2] Chinese Acad Sci, Inst Chem, Organ Solid Lab, Beijing 100080, Peoples R China
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2009年 / 48卷 / 04期
关键词：
NONVOLATILE MEMORY; THIN-FILM; DEVICE; COPOLYMER;
D O I：
10.1143/JJAP.48.04C165
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Oxotitanium phthalocyanine (TiOPc) material is found to feature electrical bistability characteristics for the first time. A one-component organic memory device based on the sandwiched structure of TiOPc thin film is demonstrated in this paper. A high on-off ratio of four orders of magnitude and a large 4V read voltage window have been achieved at room temperature, which can reduce readout errors induced by the dispersions of resistance parameter. The device exhibits no significant degradation of the retention performance in both high resistance and low resistance state after 1.4 x 10(4) s continuous reading. In addition, the switching mechanism of the device is also discussed by comparing and analyzing the current-voltage characteristics of Al/TiOPc/indium tin oxide/glass and Al/TiOPc/Si device. (C) 2009 The Japan Society of Applied Physics
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页数：3
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