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Title: Enhanced field emission from Argon plasma-treated ultra-sharp α-Fe 2O 3 nanoflakes
Authors: Zheng, Z.
Liao, L.
Yan, B.
Zhang, J.X. 
Gong, H. 
Shen, Z.X.
Yu, T.
Keywords: Field emission
Metal oxide
Plasma treated
Issue Date: 2009
Citation: Zheng, Z., Liao, L., Yan, B., Zhang, J.X., Gong, H., Shen, Z.X., Yu, T. (2009). Enhanced field emission from Argon plasma-treated ultra-sharp α-Fe 2O 3 nanoflakes. Nanoscale Research Letters 4 (9) : 1115-1119. ScholarBank@NUS Repository.
Abstract: Hematite nanoflakes have been synthesized by a simple heat oxide method and further treated by Argon plasmas. The effects of Argon plasma on the morphology and crystal structures of nanoflakes were investigated. Significant enhancement of field-induced electron emission from the plasma-treated nanoflakes was observed. The transmission electron microscopy investigation shows that the plasma treatment effectively removes amorphous coating and creates plenty of sub-tips at the surface of the nanoflakes, which are believed to contribute the enhancement of emission. This work suggests that plasma treatment technique could be a direct means to improve field-emission properties of nanostructures. © to the authors 2009.
Source Title: Nanoscale Research Letters
ISSN: 19317573
DOI: 10.1007/s11671-009-9363-1
Appears in Collections:Staff Publications

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