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Nano-Schottky contacts realized by bottom-up technique
Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), Halmstad Embedded and Intelligent Systems Research (EIS), MPE-lab. (Nanovetenskap)
Solid State Physics/The Nanometer Structure Consortium, Lund University, Box 118, S-221 00, Lund, Sweden. (Nanometerkonsortiet)
Solid State Physics/The Nanometer Structure Consortium, Lund University, Box 118, S-221 00, Lund, Sweden. (Nanometerkonsortiet)
Solid State Physics/The Nanometer Structure Consortium, Lund University, Box 118, S-221 00, Lund, Sweden. (Nanometerkonsortiet)
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2010 (English)In: Bulletin of American Physical Society: APS March Meeting 2010, Volume 55, Number 2, American Physical Society , 2010Conference paper, Abstract (Refereed)
Abstract [en]

Here we present a comprehensive study of a rectifying nano-Schottky contact formed at the interface between a gold catalytic particle and an epitaxially grown GaInAs/InAs nanowire. Selective electrical connections formed by electron beam lithography to the catalytic particle on one side, and to the InAs segment on the other side allowed electrical and optical characterization of the formed Schottky junction. From IV measurements taken at different temperatures we have deduced the Schottky barrier height and the height of the barrier formed in the graded GaInAs nanowire segment. The IV characteristics measured under laser stimulation showed that the device can be used as a unipolar photodetector with extremely small detection volume and potentially ultra fast response.

Place, publisher, year, edition, pages
American Physical Society , 2010.
Keyword [en]
III-V semiconductors, Schottky barriers, catalysis, epitaxial growth, gallium compounds, indium compounds, nanowires, photodetectors, semiconductor epitaxial layers, semiconductor growth, semiconductor quantum wires
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:hh:diva-14190OAI: oai:DiVA.org:hh-14190DiVA: diva2:390877
Conference
American Physical Society, APS March Meeting 2010, March 15-19, Portland, USA, 2010
Note

Abstract ID: BAPS.2010.MAR.L14.12Abstract: L14.00012

Available from: 2011-01-25 Created: 2011-01-24 Last updated: 2014-06-25Bibliographically approved

Open Access in DiVA

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File name ATTACHMENT01.pdfFile size 82 kBChecksum SHA-512
661407121549b710b47e18f3d094387c70c3e7c32fb789381c4b47dddaa25e0223b079b16d30360138aa1694e5850d73d576cfbcce63b1e28931bf3461e283b2
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Other links

http://meetings.aps.org/link/BAPS.2010.MAR.L14.12

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CiteExportLink to record
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Citation style
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