Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 26, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4852695
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Funding
- NSFC [10902128, 10732100, 50802026, 10972239, 11072070]
- Fundamental Research Funds for the Central Universities
- New Century Excellent Talents in University
- Research Fund for the Doctoral Program of Higher Education
- Fok Ying Tung Foundation
- Science and Technology Innovation Project of Guangdong Provincial Education Department
- Guangdong Natural Science Funds for Distinguished Young Scholar
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Nanoscale multilayer structure TiO2/BaTiO3/TiO2 has been fabricated on Pt/Ti/SiO2/Si substrate by chemical solution deposition method. Highly uniform bipolar resistive switching (BRS) characteristics have been observed in Pt/TiO2/BaTiO3/TiO2/Pt cells. Analysis of the current-voltage relationship demonstrates that the space-charge-limited current conduction controlled by the localized oxygen vacancies should be important to the resistive switching behavior. X-ray photoelectron spectroscopy results indicated that oxygen vacancies in TiO2 play a crucial role in the resistive switching phenomenon and the introduced TiO2/BaTiO3 interfaces result in the high uniformity of bipolar resistive switching characteristics. (C) 2013 AIP Publishing LLC.
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