Molecular electronics: controlled manipulation, noise and graphene architecture

Leiden Repository

Molecular electronics: controlled manipulation, noise and graphene architecture

Type: Doctoral Thesis
Title: Molecular electronics: controlled manipulation, noise and graphene architecture
Author: Tewari, S.
Publisher: Casimir Research School
Issue Date: 2018-03-27
Keywords: Shot-noise
Abstract: Atoms and molecules are the basic units of matter. If we keep dividing a bar of gold or a glass of water into smaller parts, at the end we are left with a single gold atom or a water molecule. We could not divide them further without them losing their identity. Molecular electronics is the study of how electrons, which are fundamental particles in nature, flow through these basic units of the matter once connected between two electrical leads. At such small dimensions matter starts to lose its macroscopic properties and its behaviour is governed by the rules of quantum mechanics. A molecule can have various electronic and mechanical degrees of freedom (or eigenstates) with discrete energies. The electrons flowing through the molecule can interact with these degrees of freedom making single molecule devices. Better control and understanding of these interactions and study of how the atomic structure of the macroscopic electrical leads affect the electronic-transport forms the main focus of this thesis. Controlled manipulation of single atoms and molecules using a low-temperature scanning tunnelling microscope, probing charge transport using high-frequency shot-noise measurement and the use of graphene as possible electrodes are the three directions which are investigated here.
Promotor: Supervisor: Ruitenbeek J.M. van
Faculty: Science
University: Leiden
Uri: urn:isbn:9789085933366

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application/pdf Title Page_Contents 690.1Kb View/Open
application/pdf Chapter 01 7.775Mb View/Open
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application/pdf Chapter 04 3.408Mb Under embargo until 2020-03-27
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application/pdf Appendices 9.581Mb Under embargo until 2020-03-27
application/pdf Summary 223.4Kb View/Open
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application/pdf Acknowledgement_CV_Publications 224.7Kb View/Open
application/pdf Propositions 122.0Kb View/Open

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