期刊
CHEMICAL ENGINEERING JOURNAL
卷 312, 期 -, 页码 328-335出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2016.11.146
关键词
TinO2n-1; Magneli phase; Nanofiber; Oxygen vacancy; Switching behavior
资金
- National Natural Science Foundation of China [51402116]
- Analytical and Testing Center of Huazhong University of Science and Technology
Magneli phases of titanium oxide (TinO2n-1, n = 4-10) have tremendous potential for application in electronics. However, limited by their currently available fabrication methods, most of the products were a mixture of stoichoimetries. The functionality of a pure monophase is far from sufficiently exploited. This paper reports a simple and controllable method for manufacturing continuous Ti6O11 nanofibers with precise phase control. Moreover, the procedure employed also paves a way for producing other magneli phases in a pure form, such as Ti9O17. The resultant Ti6O11 nanofibers were further assembled into miniaturized electronic device. For the first time, the Ti6O11 nanofibers exhibited robust switching characteristic. The ON/OFF current ratio under repetitive writing and erasing conditions can reach up to 10(2). Such a novel nanofiber can be potentially used as a new material in memories. (C) 2016 Elsevier B.V. All rights reserved.
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