Field emission from diamond micropowders with sharp edges

Yoshimoto, Tomomi; Yui, Hisanori; Iwata, Tatsuo

doi:doi:10.1116/1.3275747

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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, C2B30 (2010); http://dx.doi.org/10.1116/1.3275747 (4 pages)

Field emission from diamond micropowders with sharp edges

Tomomi Yoshimoto¹, Hisanori Yui², and Tatsuo Iwata³

¹Intelligent Material and Mechatronics Systems, Graduate School of Engineering, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan and Bio-Nano Electronics Research Center, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan
²Intelligent Material and Mechatronics Systems, Graduate School of Engineering, Toyo University, 2100 Kujirai, Kawagoe, Saitama 350-8585, Japan
³Institute of Industrial Science, The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 135-8505, Japan

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(Published online 29 March 2010)

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The authors examined the field emission from diamond micropowders with sharp edges whose current followed the Fowler–Nordheim relationship, and confirmed that the micropowders functioned as field emission sources. In addition, the fluctuation in emission current improved as the current was increased. The emission current was constant at pressures ranging from 10⁻⁶ to 10⁻³ Pa under a fixed applied voltage.

ACKNOWLEDGMENTS

The authors are grateful to T. Osawa, K. Sato, and Y. Ukagami for their important contributions to experiments. This work was supported by a Grant from the Ministry of Education, Culture, Sports, Science and Technology for the High-Tech Research Center founded in 2006.

Article Outline

INTRODUCTION
EXPERIMENT
RESULTS AND DISCUSSION
CONCLUSION

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KEYWORDS and PACS

Keywords

diamond, field emission, powders, diamond, carbon

PACS

79.70.+q

Field emission, ionization, evaporation, and desorption
61.43.Gt

Powders, porous materials

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History

Received 10 September 2009
Accepted 16 November 2009
Published online 29 March 2010

Digital Object Identifier

http://dx.doi.org/10.1116/1.3275747

PUBLICATION DATA

ISSN

1071-1023 (print)

1520-8567 (online)

Publisher

American Vacuum Society

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