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Title: Rapid reversible electromigration of intercalated K ions within individual MoO3 nanobundle
Authors: Hu, Zhibin
Zhou, Chenggang
Rajiv Ramanujam Prabhakar
Lim, Sharon Xiaodai
Wang, Yinghui
Kan, Jeroen A. van
Cheng, Hansong
Mhaisalkar, Subodh Gautam
Sow, Chorng Haur
Keywords: DRNTU::Science::Geology
Issue Date: 2013
Source: Hu, Z., Zhou, C., Prabhakar, R. R., Lim, S. X., Wang, Y., Kan, J. A. V., et al. (2013). Rapid reversible electromigration of intercalated K ions within individual MoO3 nanobundle. Journal of Applied Physics, 113(2).
Series/Report no.: Journal of applied physics
Abstract: Rapid and reversible electromigration of intercalated K ions within an individual layered single crystalline KxMoO3 nanobundle is observed. When an electric current was applied to a KxMoO3 nanobundle, the K ions migrated readily and rapidly in the flowing direction of electrons within the nanobundle and accumulated near an electrode. Upon reversal of the applied current, the accumulated K ions near one electrode were driven back and gathered near the opposite electrode. This observation is attributed to the unique structure of KxMoO3 where K ions occupy O vacancies in the nanobundle and the location of K ions is exactly the channel of high current density within the nanobundle. The duration required to induce significant accumulation of K ions and relaxation time of accumulated ions were significantly shorter than the value reported in other interstitial systems. The reversible ion movement was repeated for hundred times and remarkably there were no obvious sign of structural damage in the nanobundle.
ISSN: 00218979
DOI: 10.1063/1.4774244
Rights: © 2013 American Institute of Physics. This paper was published in Journal of Applied Physics and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The paper can be found at the following official DOI: One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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