Field emission properties of α-Fe2O3 nanotips prepared on indium tin oxide coated glass by thermal oxidation of iron film

Wu, J. Q.; Chen, Jun; Deng, S. Z.; Xu, N. S.

doi:doi:10.1116/1.3336400

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Journal of Vacuum Science & Technology B / Volume 28 / Issue 2 / PAPERS FROM THE 22nd INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE / Materials

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J. Vac. Sci. Technol. B 28, C2B34 (2010); http://dx.doi.org/10.1116/1.3336400 (4 pages)

Field emission properties of α-Fe₂O₃ nanotips prepared on indium tin oxide coated glass by thermal oxidation of iron film

J. Q. Wu, Jun Chen, S. Z. Deng, and N. S. Xu

State Key Laboratory of Optoelectronic Materials and Technologies, Guangdong Province Key Laboratory of Display Material and Technology, School of Physics and Engineering, Sun Yat-sen University, Guangzhou 510275, People’s Republic of China

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(Published online 29 March 2010)

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Hematite (α-Fe₂O₃) nanotips have been successfully synthesized on a large area by thermal oxidation of iron film on indium tin oxide coated glass. The population density and aspect ratio of the α-Fe₂O₃ nanotips were controlled by varying preparation temperature in the range of 325–400 °C. The field emission properties of α-Fe₂O₃ nanotips prepared under different temperatures were studied. Uniform and stable emission was obtained. Considering the simple preparation method and scalability for large area preparation, the α-Fe₂O₃ nanotips could be a promising field emitter for field emission display application.

ACKNOWLEDGMENTS

The authors gratefully acknowledge the financial support from the NNSFC (Grant Nos. U0634002 and 60925001), the MOST of China (Grant Nos. 2008AA03A314, 2003CB314701, and 2007CB935501), the FANEDD (Grant No. 200727), and the Department of Information Industry of Guangdong Province and Science and Technology Department of Guangzhou City.

Article Outline

INTRODUCTION
EXPERIMENT
RESULTS AND DISCUSSION
1. Growth of α-Fe₂O₃ nanotips
2. Field emission properties of α-Fe₂O₃ nanotips
CONCLUSION

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KEYWORDS and PACS

Keywords

electron field emission, indium compounds, iron compounds, nanostructured materials, oxidation, semiconductor growth, wide band gap semiconductors, α-Fe2O3, Fe, Fe3O4

PACS

79.70.+q

Field emission, ionization, evaporation, and desorption
81.16.Pr

Micro- and nano-oxidation
81.65.Mq

Oxidation
81.05.Hd

Other semiconductors

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History

Received 14 September 2009
Accepted 1 February 2010
Published online 29 March 2010

Digital Object Identifier

http://dx.doi.org/10.1116/1.3336400

PUBLICATION DATA

ISSN

1071-1023 (print)

1520-8567 (online)

Publisher

American Vacuum Society

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