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GaN/AlN quantum disc single-nanowire photodetectors

Abstract : We demonstrate single-nanowire photodetectors based on nanowires containing GaN/AlN quantum disc heterostructures. The structural and electronic properties are investigated by photocurrent and microphotoluminescence spectroscopy, as well as scanning transmission electron microscopy. Single-nanowire photodetectors are visible-blind with photoresponse in the ultraviolet spectral range arising from interband absorption in the multi-quantum disc GaN/AlN heterostructure. The photoconductive gain as high as 10(4) is measured. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
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http://hal.in2p3.fr/in2p3-00610606
Contributor : Christine Hadrossek <>
Submitted on : Friday, July 22, 2011 - 4:23:31 PM
Last modification on : Thursday, November 19, 2020 - 1:01:19 PM

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L. Rigutti, M. Tchernycheva, A.D.L. Bugallo, G. Jacopin, F.H. Julien, et al.. GaN/AlN quantum disc single-nanowire photodetectors. physica status solidi (a), Wiley, 2010, 207 (6), pp.1323-1327. ⟨10.1002/pssa.200983652⟩. ⟨in2p3-00610606⟩

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