Visible-Blind Metal-Semiconductor-Metal Structured Deep-Ultraviolet Photodetectors Using Single-Crystalline Diamond Thin Film

Abstract:

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Metal-semiconductor-metal (MSM) planar photodiodes and photoconductors were fabricated on unintentionally doped homoepitaxial diamond thin films deposited on Ib and IIa-type diamond substrated. The MSM photoconductor on the epilayer grown on the Ib-type substrate exhibits the highest discrimination ratio up to 108 between 210 nm and visible light and a photocurrent gain around 33 at 220 nm. The persistent photoconductivity is rather week for such kind of photoconductor.

Info:

Periodical:

Materials Science Forum (Volumes 546-549)

Edited by:

Yafang Han et al.

Pages:

1759-1762

DOI:

10.4028/www.scientific.net/MSF.546-549.1759

Citation:

M. Y. Liao and Y. Koide, "Visible-Blind Metal-Semiconductor-Metal Structured Deep-Ultraviolet Photodetectors Using Single-Crystalline Diamond Thin Film", Materials Science Forum, Vols. 546-549, pp. 1759-1762, 2007

Online since:

May 2007

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$35.00

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