Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions

Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions

The use of single molecules as circuit elements represents the ultimate in device miniaturization. The mechanically controlled break junction (MCBJ) technique is a commonly used method for the formation of metal-molecule-metal junctions. Using MCBJs, the electrical properties of single molecules can...

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Main Author: Johnson, Tyler
Other Authors: Monti Masel, Oliver
Language:en_US
Published: The University of Arizona. 2016
Online Access:http://hdl.handle.net/10150/622839
http://arizona.openrepository.com/arizona/handle/10150/622839
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spelling ndltd-arizona.edu-oai-arizona.openrepository.com-10150-6228392017-03-25T03:00:32Z Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions Johnson, Tyler Johnson, Tyler Monti Masel, Oliver Monti Masel, Oliver Brown, Michael Huxter, Vanessa Stafford, Charles McGrath, Dominic The use of single molecules as circuit elements represents the ultimate in device miniaturization. The mechanically controlled break junction (MCBJ) technique is a commonly used method for the formation of metal-molecule-metal junctions. Using MCBJs, the electrical properties of single molecules can be investigated. In this thesis, an MCBJ experimental setup for the study of charge transport is described. Early investigations began with gold wire break junctions, eventually progressing to lithographically fabricated break junctions. In particular, the measurement electronics, LabVIEW programming and mechanical setup underwent significant revisions, leading to improvements in noise floor, sensitivity, and speed. The resulting setup is capable of measuring the charge transport properties of single molecule junctions accurately and at a high rate. 2016 text Electronic Thesis http://hdl.handle.net/10150/622839 http://arizona.openrepository.com/arizona/handle/10150/622839 en_US Copyright © is held by the author. Digital access to this material is made possible by the University Libraries, University of Arizona. Further transmission, reproduction or presentation (such as public display or performance) of protected items is prohibited except with permission of the author. The University of Arizona.
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language en_US
sources NDLTD
description The use of single molecules as circuit elements represents the ultimate in device miniaturization. The mechanically controlled break junction (MCBJ) technique is a commonly used method for the formation of metal-molecule-metal junctions. Using MCBJs, the electrical properties of single molecules can be investigated. In this thesis, an MCBJ experimental setup for the study of charge transport is described. Early investigations began with gold wire break junctions, eventually progressing to lithographically fabricated break junctions. In particular, the measurement electronics, LabVIEW programming and mechanical setup underwent significant revisions, leading to improvements in noise floor, sensitivity, and speed. The resulting setup is capable of measuring the charge transport properties of single molecule junctions accurately and at a high rate.
author2 Monti Masel, Oliver
author_facet Monti Masel, Oliver
Johnson, Tyler
Johnson, Tyler
author Johnson, Tyler
Johnson, Tyler
spellingShingle Johnson, Tyler
Johnson, Tyler
Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions
author_sort Johnson, Tyler
title Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions
title_short Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions
title_full Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions
title_fullStr Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions
title_full_unstemmed Exploring Chemistry and Physics at the Nanoscale Using Mechanically Controlled Break Junctions
title_sort exploring chemistry and physics at the nanoscale using mechanically controlled break junctions
publisher The University of Arizona.
publishDate 2016
url http://hdl.handle.net/10150/622839
http://arizona.openrepository.com/arizona/handle/10150/622839
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