Abstract/Details

Charge transport on the nanometer scale: Experimental and numerical investigations


2007 2007

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Abstract (summary)

This thesis will review my experimental efforts in measuring charge transport using on-chip and scanning probe techniques at the nanometer size scale, as well as numerical investigations into the charge transport of a single molecular C60 transistor [H. Park et al., Nature (London) 407, 57 (2000)]. Experimentally, I report on efforts to utilize on-chip and scanning probe electronic interfacing for chemical and biological systems for which we expect charge transport measurements to reveal interesting and technologically relevant information. Theoretically, I show how the microscopic force fields in nanostructures can influence their electronic dynamics using the example calculations of a molecular single electron transistor (SET) with a single mode, linearly coupled vibrational environment. These calculations predict a novel negative differential conductance (NDC) effect due to the Franck-Condon quantum dynamics of charged, "vibrating" SET islands in a mechanically soft potential well.

Indexing (details)


Subject
Condensation
Classification
0611: Condensation
Identifier / keyword
Pure sciences; Charge transport; Differential conductance; Fullerenes
Title
Charge transport on the nanometer scale: Experimental and numerical investigations
Author
McCarthy, Kevin D.
Number of pages
137
Publication year
2007
Degree date
2007
School code
0118
Source
DAI-B 68/02, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
Advisor
Tuominen, Mark T.
University/institution
University of Massachusetts Amherst
University location
United States -- Massachusetts
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
3254953
ProQuest document ID
304849819
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/304849819
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