Scanning Photoconductivity and Photocurrent Imaging in Germanium Nanowires

B. H. Son; Y. H. Ahn; Jiwoong Park

Conference on Lasers and Electro-Optics/Pacific Rim 2007
(Optica Publishing Group, 2007),
paper WP_033

Scanning Photoconductivity and Photocurrent Imaging in Germanium Nanowires

B. H. Son, Y. H. Ahn, and Jiwoong Park

Conference on Lasers and Electro-Optics/Pacific Rim 2007

Seoul Republic of Korea
ISBN: 1-4244-1174-2

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Poster Session I (WP)

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B. H. Son, Y. H. Ahn, and J. Park, "Scanning Photoconductivity and Photocurrent Imaging in Germanium Nanowires," in Conference on Lasers and Electro-Optics/Pacific Rim 2007, (Optica Publishing Group, 2007), paper WP_033.

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Abstract

We report optical scanning measurements on photocurrent in individual Germanium nanowire transistors. Photoconductivity measurements reveal that Germanium nanowire can be used as an ultra-sensitive, nanoscale photodetectors, especially in the visible range. The photoconductivity shows a strong saturation behavior unlike Schottky photocurrents observed at the metal contacts.

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