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Enhanced Field Emission from H2 Plasma-Treated Alpha-Fe2O3 Nanowires

Xu, Feng (2007) Enhanced Field Emission from H2 Plasma-Treated Alpha-Fe2O3 Nanowires. JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, 7 (8). pp. 2774-2777. ISSN 1533-4880

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Hematite (Alpha-Fe2O3) nanowires were synthesized by the thermal oxidation of Fe–Ni alloy grids at 900 C degree. The effects of hydrogen (H2) plasmas on the morphology and field emission properties of Alpha-Fe2O3 nanowires were investigated. Many nanocrystallites with sharp tips were found to be produced on the surface of the originally smooth nanowires after H2 plasmas treatment. Field emission measurements demonstrated that the treated Alpha-Fe2O3 nanowires possessed much better performance with turn-on field of ∼3.7 V/um at 0.1 uA/cm2 of current density, compared with the as-grown samples.

Item Type:Article
Subjects:Physical Science > Nanoelectronics
Material Science > Nanostructured materials
ID Code:11092
Deposited By:Dr Feng Xu
Deposited On:25 Jul 2011 18:22
Last Modified:25 Jul 2011 18:22

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