Ultra-sharp α-Fe2O3 nanoflakes: Growth mechanism and field-emission

Please use this identifier to cite or link to this item: https://doi.org/10.1007/s00339-007-4180-9

Title:	Ultra-sharp α-Fe2O3 nanoflakes: Growth mechanism and field-emission
Authors:	Zheng, Z. Chen, Y. Shen, Z. Ma, J. Sow, C.-H. Huang, W. Yu, T.
Issue Date:	Oct-2007
Citation:	Zheng, Z., Chen, Y., Shen, Z., Ma, J., Sow, C.-H., Huang, W., Yu, T. (2007-10). Ultra-sharp α-Fe2O3 nanoflakes: Growth mechanism and field-emission. Applied Physics A: Materials Science and Processing 89 (1) : 115-119. ScholarBank@NUS Repository. https://doi.org/10.1007/s00339-007-4180-9
Abstract:	We report the synthesis of single-crystalline α-Fe2O 3 nanoflakes from a simple Fe-air reaction within the temperatures range of 260-400 °C. The nanoflakes synthesized at the lowest temperature (260 °C) in this work show an ultra-sharp morphology: 5-10 nm in thickness, 1-2 μm in length, 20 nm in base-width and around 5 nm at the tips; successfully demonstrate the promising electron field emission properties of a large-scaled α-Fe2O3 nanostructure film and exhibit the potential applications as future field-emission (FE) electron sources and displays (FEDs). The formation and growth of α-Fe2O3 nanostructures were discussed based on the surface diffusion mechanism. © 2007 Springer-Verlag.
Source Title:	Applied Physics A: Materials Science and Processing
URI:	http://scholarbank.nus.edu.sg/handle/10635/98507
ISSN:	09478396
DOI:	10.1007/s00339-007-4180-9
Appears in Collections:	Staff Publications

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