期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 688, 期 -, 页码 294-300出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2016.07.216
关键词
Hydrothermal synthesis; Single-crystalline; TiO2 nanowire; Memristive switching behaviors; Oxygen vacancies
资金
- National Natural Science Foundation of China [61474048]
- National High Technology R&D program (863 Program) of China [2015AA043302]
A facile one-step hydrothermal method has been reported to prepare the single-crystalline anatase TiO2 nanowire arrays with (101) preferentially oriented on the FTO substrate. The as-prepared Au/TiO2 NWAs/FTO based device exhibits the nonvolatile bipolar memristive switching behaviors with a high HRS/LRS resistance ratio of about three orders of magnitude. The memristive switching behaviors of the device have been elucidated by the Ohmic conduction mechanism and the trap-controlled space charge limited current conduction mechanism. Furthermore, the Schottky barriers modulated by the oxygen vacancies at the Au/TiO2 interface have been suggested to dominate the bipolar memristive switching behaviors of the device. This work demonstrates that the Au/TiO2 NWAs/FTO based device may be a promising candidate for memristor applications. (C) 2016 Elsevier B.V. All rights reserved.
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