X-ray generation using carbon-nanofiber-based flexible field emitters

T. T. Tan; H. S. Sim; Shu Ping Lau; H. Y. Yang; M. Tanemura; J. Tanaka

doi:10.1063/1.2182022

X-ray generation using carbon-nanofiber-based flexible field emitters

T. T. Tan, H. S. Sim, Shu Ping Lau, H. Y. Yang, M. Tanemura, J. Tanaka

Research output: Journal article publication › Journal article › Academic research › peer-review

59 Citations (Scopus)

Abstract

Carbon nanofibers were grown on flexible polyimide substrates using an ion-beam sputtering technique. Field emission measurement showed a fairly low threshold voltage of 1.5 Vμm with a current density of 1 μA cm2. The field enhancement factor was determined to be 4400. The emitter showed resilience when exploited as a high voltage electron source for x-ray generation. The x-ray generated by the flexible emitter is capable of delivering fine images of biological samples with superior sharpness, resolution, and contrast.

Original language	English
Article number	103105
Journal	Applied Physics Letters
Volume	88
Issue number	10
DOIs	https://doi.org/10.1063/1.2182022
Publication status	Published - 20 Mar 2006
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.2182022

Cite this

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AU - Tanemura, M.

AU - Tanaka, J.

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AB - Carbon nanofibers were grown on flexible polyimide substrates using an ion-beam sputtering technique. Field emission measurement showed a fairly low threshold voltage of 1.5 Vμm with a current density of 1 μA cm2. The field enhancement factor was determined to be 4400. The emitter showed resilience when exploited as a high voltage electron source for x-ray generation. The x-ray generated by the flexible emitter is capable of delivering fine images of biological samples with superior sharpness, resolution, and contrast.

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X-ray generation using carbon-nanofiber-based flexible field emitters

Abstract

ASJC Scopus subject areas

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